Spark job failing on Dataproc (it works on Databricks), error messages not clear to me - apache-spark

Update: I needed to increase the memory on the Dataproc nodes, but I couldn't get to the Spark UI for various reasons to see why the executors were dying. Coming back to this project with a little more Spark and GCP experience allowed me to quickly solve the issue.
====
I've been trying for a long time to get the predict phase of the ALS recommender model in pyspark to run on Dataproc. Update: Confirmed that this code does run successfully on Databricks.
Code:
spark = SparkSession.builder.appName("test-mf").getOrCreate()
model = ALSModel.load("gs://my-dataproc-bucket/trained-model")
userRecs = model.recommendForAllUsers(100).collect()
(I'm just doing the "collect" since it seems like the simplest operation to get the code to actually work--I was originally doing some select statements to try to process the data and that was failing as well.)
I get a ton of error messages, in a relatively quick time span (maybe 15 minutes from starting the job to final failure), none of which mean much to me or have yielded an easy smoking gun from googling.
Here's the last set of logs, let me know if you need anything earlier:
18/03/27 22:38:59 WARN org.apache.spark.ExecutorAllocationManager: No stages are running, but numRunningTasks != 0
Traceback (most recent call last):
File "/tmp/be3c5758e6694a4ca7f2911043f7a173/spark-matrix-factorization.py", line 35, in <module>
userRecs = model.recommendForAllUsers(100).collect()
File "/usr/lib/spark/python/lib/pyspark.zip/pyspark/sql/dataframe.py", line 438, in collect
File "/usr/lib/spark/python/lib/py4j-0.10.4-src.zip/py4j/java_gateway.py", line 1133, in __call__
File "/usr/lib/spark/python/lib/pyspark.zip/pyspark/sql/utils.py", line 63, in deco
File "/usr/lib/spark/python/lib/py4j-0.10.4-src.zip/py4j/protocol.py", line 319, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling o50.collectToPython.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 4.0 failed 4 times, most recent failure: Lost task 1.3 in stage 4.0 (TID 26, my-dataproc-cluster-w-1.c.my-gcp-project.internal, executor 10): ExecutorLostFailure (executor 10 exited caused by one of the running tasks) Reason: Container marked as failed: container_1520973147661_0018_01_000012 on host: my-dataproc-cluster-w-1.c.my-gcp-project.internal. Exit status: 1. Diagnostics: Exception from container-launch.
Container id: container_1520973147661_0018_01_000012
Exit code: 1
Stack trace: ExitCodeException exitCode=1:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:972)
at org.apache.hadoop.util.Shell.run(Shell.java:869)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:1170)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:236)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:305)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:84)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Container exited with a non-zero exit code 1
Driver stacktrace:
at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1499)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1487)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1486)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1486)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)
at scala.Option.foreach(Option.scala:257)
at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:814)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1714)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1669)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1658)
at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:630)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2022)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2043)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2062)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2087)
at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:936)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
at org.apache.spark.rdd.RDD.collect(RDD.scala:935)
at org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:278)
at org.apache.spark.sql.Dataset$$anonfun$collectToPython$1.apply$mcI$sp(Dataset.scala:2803)
at org.apache.spark.sql.Dataset$$anonfun$collectToPython$1.apply(Dataset.scala:2800)
at org.apache.spark.sql.Dataset$$anonfun$collectToPython$1.apply(Dataset.scala:2800)
at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:65)
at org.apache.spark.sql.Dataset.withNewExecutionId(Dataset.scala:2823)
at org.apache.spark.sql.Dataset.collectToPython(Dataset.scala:2800)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:280)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:214)
at java.lang.Thread.run(Thread.java:748)
18/03/27 22:38:59 INFO org.spark_project.jetty.server.AbstractConnector: Stopped Spark#446a8845{HTTP/1.1,[http/1.1]}{0.0.0.0:4040}
18/03/27 22:38:59 WARN org.apache.spark.ExecutorAllocationManager: Attempted to mark unknown executor 10 idle
ERROR: (gcloud.dataproc.jobs.submit.pyspark) Job [be3c5758e6694a4ca7f2911043f7a173] entered state [ERROR] while waiting for [DONE].
I've been trying to see if there's more logs anywhere that could give me a more informative error message, but had no luck getting the proxy set up to see the UI in Dataproc and didn't find any messages after running gcloud dataproc clusters diagnose.
In response to Dennis below,
Machine types:
Master node
Standard (1 master, N workers)
Machine type
n1-standard-4 (4 vCPU, 15.0 GB memory)
Primary disk size
500 GB
Worker nodes
2
Machine type
n1-standard-4 (4 vCPU, 15.0 GB memory)
Primary disk size
500 GB
Local SSDs
0
Data size:
The entire trained ALS model (which contains all the data already) is only 104M.
Count instead of collect gives a similar problem:
18/03/28 22:37:08 ERROR org.apache.spark.scheduler.TaskSetManager: Task 3 in stage 4.0 failed 4 times; aborting job
18/03/28 22:37:08 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 0.3 in stage 4.0 (TID 18, my-dataproc-cluster-w-1.c.my-dataproc-cluster.internal, executor 6): ExecutorLostFailure (executor 6 exited caused by one of the running tasks) Reason: Container marked as failed: container_1520973147661_0019_01_000008 on host: my-dataproc-cluster-w-1.c.my-dataproc-cluster.internal. Exit status: 1. Diagnostics: Exception from container-launch.
Container id: container_1520973147661_0019_01_000008
Exit code: 1
Stack trace: ExitCodeException exitCode=1:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:972)
at org.apache.hadoop.util.Shell.run(Shell.java:869)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:1170)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:236)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:305)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:84)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Container exited with a non-zero exit code 1
18/03/28 22:37:08 WARN org.apache.spark.ExecutorAllocationManager: No stages are running, but numRunningTasks != 0
18/03/28 22:37:08 WARN org.apache.spark.ExecutorAllocationManager: Attempted to mark unknown executor 6 idle
Traceback (most recent call last):
File "/tmp/9d05f24785474f1f84720daa115af584/spark-matrix-factorization.py", line 35, in <module>
userRecs = model.recommendForAllUsers(100).count()
File "/usr/lib/spark/python/lib/pyspark.zip/pyspark/sql/dataframe.py", line 427, in count
File "/usr/lib/spark/python/lib/py4j-0.10.4-src.zip/py4j/java_gateway.py", line 1133, in __call__
File "/usr/lib/spark/python/lib/pyspark.zip/pyspark/sql/utils.py", line 63, in deco
File "/usr/lib/spark/python/lib/py4j-0.10.4-src.zip/py4j/protocol.py", line 319, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling o50.count.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 3 in stage 4.0 failed 4 times, most recent failure: Lost task 3.3 in stage 4.0 (TID 19, my-dataproc-cluster-w-1.c.my-dataproc-cluster.internal, executor 6): ExecutorLostFailure (executor 6 exited caused by one of the running tasks) Reason: Container marked as failed: container_1520973147661_0019_01_000008 on host: my-dataproc-cluster-w-1.c.my-dataproc-cluster.internal. Exit status: 1. Diagnostics: Exception from container-launch.
Container id: container_1520973147661_0019_01_000008
Exit code: 1
Stack trace: ExitCodeException exitCode=1:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:972)
at org.apache.hadoop.util.Shell.run(Shell.java:869)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:1170)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:236)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:305)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:84)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Container exited with a non-zero exit code 1
Driver stacktrace:
at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1499)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1487)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1486)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1486)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)
at scala.Option.foreach(Option.scala:257)
at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:814)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1714)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1669)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1658)
at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:630)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2022)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2043)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2062)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2087)
at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:936)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
at org.apache.spark.rdd.RDD.collect(RDD.scala:935)
at org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:278)
at org.apache.spark.sql.Dataset$$anonfun$count$1.apply(Dataset.scala:2430)
at org.apache.spark.sql.Dataset$$anonfun$count$1.apply(Dataset.scala:2429)
at org.apache.spark.sql.Dataset$$anonfun$55.apply(Dataset.scala:2837)
at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:65)
at org.apache.spark.sql.Dataset.withAction(Dataset.scala:2836)
at org.apache.spark.sql.Dataset.count(Dataset.scala:2429)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:280)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:214)
at java.lang.Thread.run(Thread.java:748)
18/03/28 22:37:08 INFO org.spark_project.jetty.server.AbstractConnector: Stopped Spark#ee58b0b{HTTP/1.1,[http/1.1]}{0.0.0.0:4040}
ERROR: (gcloud.dataproc.jobs.submit.pyspark) Job [9d05f24785474f1f84720daa115af584] entered state [ERROR] while waiting for [DONE].

Related

Errors while trying to use collect() method in pyspark. (Windows 10) [duplicate]

This question already has answers here:
Python worker failed to connect back
(9 answers)
Closed last year.
So I've read a dozens of tutorials on how to set up pyspark.
I've set all enviremental variables like HADOOP_HOME, SPARK_HOME e.t.c.
I've downloaded winutils and put it to %SPARK_HOME%/bin.
I've checked that the version of pyspark is the same as spark, that I have downloaded from official site (3.2.1).
I am using Java JDK 8.
I've tried different versions of Java, Spark/Pyspark but everytime I use collect method on rdd I'm getting a tons of errors.
This is my sample program:
from pyspark.sql import SparkSession
ss = SparkSession.builder.master('local').appName('name').getOrCreate()
rd = ss.sparkContext.parallelize([1, 2, 3, 4, 5])
rd1 = rd.map(lambda x: x** 2).collect()
print(rd1)
And this is what I am getting. (I am sorry I have no idea how to put everything under spoiler)
Any help would be very appreciated!
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
22/02/05 21:03:53 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
22/02/05 21:04:06 WARN ProcfsMetricsGetter: Exception when trying to compute pagesize, as a result reporting of ProcessTree metrics is stopped
22/02/05 21:04:06 ERROR Executor: Exception in task 0.0 in stage 0.0 (TID 0)
org.apache.spark.SparkException: Python worker failed to connect back.
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:188)
at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:108)
at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:121)
at org.apache.spark.api.python.BasePythonRunner.compute(PythonRunner.scala:162)
at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:65)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:506)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1462)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:509)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: Accept timed out
at java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method)
at java.net.DualStackPlainSocketImpl.socketAccept(DualStackPlainSocketImpl.java:131)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:535)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:189)
at java.net.ServerSocket.implAccept(ServerSocket.java:545)
at java.net.ServerSocket.accept(ServerSocket.java:513)
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:175)
... 14 more
22/02/05 21:04:06 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0) (WIN-CH4BAQ3PTMC executor driver): org.apache.spark.SparkException: Python worker failed to connect back.
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:188)
at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:108)
at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:121)
at org.apache.spark.api.python.BasePythonRunner.compute(PythonRunner.scala:162)
at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:65)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:506)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1462)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:509)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: Accept timed out
at java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method)
at java.net.DualStackPlainSocketImpl.socketAccept(DualStackPlainSocketImpl.java:131)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:535)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:189)
at java.net.ServerSocket.implAccept(ServerSocket.java:545)
at java.net.ServerSocket.accept(ServerSocket.java:513)
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:175)
... 14 more
22/02/05 21:04:06 ERROR TaskSetManager: Task 0 in stage 0.0 failed 1 times; aborting job
Traceback (most recent call last):
File "C:\Users\user\PycharmProjects\pythonProject\spark.py", line 6, in <module>
print(rd.map(lambda x: x ** 2).collect())
File "C:\Users\user\PycharmProjects\pythonProject\venv\lib\site-packages\pyspark\rdd.py", line 950, in collect
sock_info = self.ctx._jvm.PythonRDD.collectAndServe(self._jrdd.rdd())
File "C:\Users\user\PycharmProjects\pythonProject\venv\lib\site-packages\py4j\java_gateway.py", line 1321, in __call__
return_value = get_return_value(
File "C:\Users\user\PycharmProjects\pythonProject\venv\lib\site-packages\pyspark\sql\utils.py", line 111, in deco
return f(*a, **kw)
File "C:\Users\user\PycharmProjects\pythonProject\venv\lib\site-packages\py4j\protocol.py", line 326, in get_return_value
raise Py4JJavaError(
py4j.protocol.Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.collectAndServe.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times, most recent failure: Lost task 0.0 in stage 0.0 (TID 0) (WIN-CH4BAQ3PTMC executor driver): org.apache.spark.SparkException: Python worker failed to connect back.
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:188)
at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:108)
at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:121)
at org.apache.spark.api.python.BasePythonRunner.compute(PythonRunner.scala:162)
at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:65)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:506)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1462)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:509)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: Accept timed out
at java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method)
at java.net.DualStackPlainSocketImpl.socketAccept(DualStackPlainSocketImpl.java:131)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:535)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:189)
at java.net.ServerSocket.implAccept(ServerSocket.java:545)
at java.net.ServerSocket.accept(ServerSocket.java:513)
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:175)
... 14 more
Driver stacktrace:
at org.apache.spark.scheduler.DAGScheduler.failJobAndIndependentStages(DAGScheduler.scala:2454)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2(DAGScheduler.scala:2403)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2$adapted(DAGScheduler.scala:2402)
at scala.collection.immutable.List.foreach(List.scala:333)
at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:2402)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1(DAGScheduler.scala:1160)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1$adapted(DAGScheduler.scala:1160)
at scala.Option.foreach(Option.scala:437)
at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:1160)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2642)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2584)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2573)
at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49)
at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:938)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2214)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2235)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2254)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2279)
at org.apache.spark.rdd.RDD.$anonfun$collect$1(RDD.scala:1030)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:414)
at org.apache.spark.rdd.RDD.collect(RDD.scala:1029)
at org.apache.spark.api.python.PythonRDD$.collectAndServe(PythonRDD.scala:180)
at org.apache.spark.api.python.PythonRDD.collectAndServe(PythonRDD.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:282)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.ClientServerConnection.waitForCommands(ClientServerConnection.java:182)
at py4j.ClientServerConnection.run(ClientServerConnection.java:106)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.spark.SparkException: Python worker failed to connect back.
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:188)
at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:108)
at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:121)
at org.apache.spark.api.python.BasePythonRunner.compute(PythonRunner.scala:162)
at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:65)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:506)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1462)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:509)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
... 1 more
Caused by: java.net.SocketTimeoutException: Accept timed out
at java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method)
at java.net.DualStackPlainSocketImpl.socketAccept(DualStackPlainSocketImpl.java:131)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:535)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:189)
at java.net.ServerSocket.implAccept(ServerSocket.java:545)
at java.net.ServerSocket.accept(ServerSocket.java:513)
at org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:175)
... 14 more
Nothing wrong with your program.
Its looks like the issue in your spark setup. in the command prompt check if you are able to get pyspark prompt without any error.
and also check python version and env variable.
BIG thanks to #blackbishop for the tip!
Python worker failed to connect back
All I did is just added
import findspark
findspark.init()
Everything works now!

Getting error - py4j.protocol.Py4JJavaError: An error occurred while calling o115.save

Have a pyspark code which is running succesfully as per scehdule every month. It failed this month; we have not made any changes to the code or the configuration. Have looked at all the similar threads but one seems to help.
Any suggestions are greatly appreciated!
The complete traceback is as -
'''
Significant Credit Monthly starts at 2020-12-04 17:55:04.761266
Traceback (most recent call last):
File "/data/code/sig_cr_dc/Sig_CD_Monthly1.py", line 105, in <module>
Sig_Cdt_Stats.write.mode("overwrite").save(Sig_Cdt_Path)
File "/var/opt/teradata/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p2245.2467/lib/spark/python/lib/pyspark.zip/pyspark/sql/readwriter.py", line 397, in save
File "/var/opt/teradata/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p2245.2467/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py", line 813, in __call__
File "/var/opt/teradata/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p2245.2467/lib/spark/python/lib/pyspark.zip/pyspark/sql/utils.py", line 45, in deco
File "/var/opt/teradata/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p2245.2467/lib/spark/python/lib/py4j-0.9-src.zip/py4j/protocol.py", line 308, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling o115.save.
: org.apache.spark.SparkException: Job aborted.
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation$$anonfun$run$1.apply$mcV$sp(InsertIntoHadoopFsRelation.scala:154)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation$$anonfun$run$1.apply(InsertIntoHadoopFsRelation.scala:106)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation$$anonfun$run$1.apply(InsertIntoHadoopFsRelation.scala:106)
at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:53)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation.run(InsertIntoHadoopFsRelation.scala:106)
at org.apache.spark.sql.execution.ExecutedCommand.sideEffectResult$lzycompute(commands.scala:58)
at org.apache.spark.sql.execution.ExecutedCommand.sideEffectResult(commands.scala:56)
at org.apache.spark.sql.execution.ExecutedCommand.doExecute(commands.scala:70)
at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$5.apply(SparkPlan.scala:132)
at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$5.apply(SparkPlan.scala:130)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:130)
at org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:56)
at org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:56)
at org.apache.spark.sql.execution.datasources.ResolvedDataSource$.apply(ResolvedDataSource.scala:256)
at org.apache.spark.sql.DataFrameWriter.dataSource$lzycompute$1(DataFrameWriter.scala:181)
at org.apache.spark.sql.DataFrameWriter.org$apache$spark$sql$DataFrameWriter$$dataSource$1(DataFrameWriter.scala:181)
at org.apache.spark.sql.DataFrameWriter$$anonfun$save$1.apply$mcV$sp(DataFrameWriter.scala:188)
at org.apache.spark.sql.DataFrameWriter.executeAndCallQEListener(DataFrameWriter.scala:154)
at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:188)
at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:172)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
at py4j.Gateway.invoke(Gateway.java:259)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:209)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 164 in stage 9.0 failed 4 times, most recent failure: Lost task 164.3 in stage 9.0 (TID 18018, kmblhdpdata2.kbank.kotakgroup.com, executor 149): ExecutorLostFailure (executor 149 exited caused by one of the running tasks) Reason: Container killed by YARN for exceeding memory limits. 1.5 GB of 1.5 GB physical memory used. Consider boosting spark.yarn.executor.memoryOverhead.
Driver stacktrace:
at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1433)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1421)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1420)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1420)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:799)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:799)
at scala.Option.foreach(Option.scala:236)
at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:799)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1644)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1603)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1592)
at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:620)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:1862)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:1875)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:1952)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation$$anonfun$run$1.apply$mcV$sp(InsertIntoHadoopFsRelation.scala:148)
... 31 more
'''

Issue loading data set using spark-redis

I am trying to load a data set with spark-redis, but the operation always fail. The spark dataframe that I am trying to write has 85 million rows, but the write operation roughly fails after 25 million rows in. I wonder how to solve this kind of problem.
Here are the operations that I execute in my Python script:
SPARK_JARS = ['/home/jovyan/jedis-3.6.0.jar', '/home/jovyan/spark-redis_2.12-2.6.0.jar']
spark = (SparkSession.builder.master(master_uri).appName('redis.test')
.config('spark.executor.memory', '28g')
.config('spark.cores.max', 16)
.config('spark.redis.host', REDIS_HOST)
.config('spark.redis.port', 6379)
.config('spark.redis.db', 0)
.config('spark.sql.debug.maxToStringFields', 65535)
.config('spark.jars', ','.join(SPARK_JARS)).enableHiveSupport().getOrCreate())
df = spark.sql('select * from input_table')
df.write.format("org.apache.spark.sql.redis").option("table", "output_table").option("key.column", "id").option("dbNum", 0).save();
I am trying to store information from an Iceberg table to a Redis hash. The version of spark-redis I am using is spark-redis_2.12-2.6.0.jar. I am running my script on Spark 3.1.1 and the Redis cluster I am trying to access uses version 6.0.4. When I run the script, it starts loading the data in the hash from for a couple of minutes. Then, a SocketTimeoutException is raised. But the data continues to be loaded in the hash. However, after 10 minutes (this varies from session to session), there is an additional failure and from this point, I cannot connect to the Redis data store anymore (connection refused). This connection refusal state is temporary, but can last a few hours.
Here is the log (I had to skip parts of it because it was too long to fit in a message):
ANTLR Tool version 4.8 used for code generation does not match the current runtime version 4.7.1ANTLR Runtime version 4.8 used for parser compilation does not match the current runtime version 4.7.1ANTLR Tool version 4.8 used for code generation does not match the current runtime version 4.7.1ANTLR Runtime version 4.8 used for parser compilation does not match 21/06/07 17:26:08 WARN SessionState: METASTORE_FILTER_HOOK will be ignored, since hive.security.authorization.manager is set to instance of HiveAuthorizerFactory.
21/06/07 17:30:07 WARN TaskSetManager: Lost task 13.0 in stage 2.0 (TID 16) (x.x.x.x executor 0): redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: Read timed out
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:205)
at redis.clients.jedis.util.RedisInputStream.readByte(RedisInputStream.java:43)
at redis.clients.jedis.Protocol.process(Protocol.java:158)
at redis.clients.jedis.Protocol.read(Protocol.java:223)
at redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:352)
at redis.clients.jedis.Connection.getMany(Connection.java:364)
at redis.clients.jedis.Pipeline.sync(Pipeline.java:98)
at com.redislabs.provider.redis.util.PipelineUtils$.$anonfun$foreachWithPipeline$1(PipelineUtils.scala:71)
at com.redislabs.provider.redis.util.PipelineUtils$.$anonfun$foreachWithPipeline$1$adapted(PipelineUtils.scala:67)
at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36)
at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:198)
at com.redislabs.provider.redis.util.PipelineUtils$.foreachWithPipeline(PipelineUtils.scala:67)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$8(RedisSourceRelation.scala:143)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$8$adapted(RedisSourceRelation.scala:141)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$6(RedisSourceRelation.scala:141)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$6$adapted(RedisSourceRelation.scala:138)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$5(RedisSourceRelation.scala:138)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$5$adapted(RedisSourceRelation.scala:136)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$2(RDD.scala:1020)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$2$adapted(RDD.scala:1020)
at org.apache.spark.SparkContext.$anonfun$runJob$5(SparkContext.scala:2242)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.net.SocketInputStream.read(SocketInputStream.java:127)
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:199)
… 35 more
21/06/07 17:41:57 WARN TaskSetManager: Lost task 19.0 in stage 2.0 (TID 22) (x.x.x.x executor 0): redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: Read timed out
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:205)
at redis.clients.jedis.util.RedisInputStream.readByte(RedisInputStream.java:43)
…
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.net.SocketInputStream.read(SocketInputStream.java:127)
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:199)
… 35 more
21/06/07 17:52:54 WARN TaskSetManager: Lost task 4.2 in stage 2.0 (TID 42) (x.x.x.x executor 0): redis.clients.jedis.exceptions.JedisConnectionException: Unexpected end of stream.
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:202)
at redis.clients.jedis.util.RedisInputStream.readByte(RedisInputStream.java:43)
…
21/06/07 17:52:54 WARN TaskSetManager: Lost task 2.1 in stage 2.0 (TID 46) (x.x.x.x executor 0): redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketException: Connection reset
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:205)
…
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:210)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.net.SocketInputStream.read(SocketInputStream.java:127)
at redis.clients.jedis.util.RedisInputStream.ensureFill(RedisInputStream.java:199)
… 35 more
21/06/07 17:52:56 WARN TaskSetManager: Lost task 4.3 in stage 2.0 (TID 52) (x.x.x.x executor 0): redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.jedis.util.Pool.getResource(Pool.java:84)
…
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Failed to create socket.
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:110)
at redis.clients.jedis.Connection.connect(Connection.java:226)
…
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:80)
… 38 more
21/06/07 17:52:56 ERROR TaskSetManager: Task 4 in stage 2.0 failed 4 times; aborting job
Traceback (most recent call last):
File “redis_load.py”, line 106, in
df = spark.sql(‘select * from input_table’)
File “/opt/conda/lib/python3.8/site-packages/pyspark/sql/readwriter.py”, line 1107, in save
self._jwrite.save()
File “/opt/conda/lib/python3.8/site-packages/py4j/java_gateway.py”, line 1304, in call
return_value = get_return_value(
File “/opt/conda/lib/python3.8/site-packages/pyspark/sql/utils.py”, line 111, in deco
return f(*a, **kw)
File “/opt/conda/lib/python3.8/site-packages/py4j/protocol.py”, line 326, in get_return_value
raise Py4JJavaError(
py4j.protocol.Py4JJavaError: An error occurred while calling o90.save.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 4 in stage 2.0 failed 4 times, most recent failure: Lost task 4.3 in stage 2.0 (TID 52) (x.x.x.x executor 0): redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.jedis.util.Pool.getResource(Pool.java:84)
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:366)
at com.redislabs.provider.redis.ConnectionPool$.connect(ConnectionPool.scala:35)
at com.redislabs.provider.redis.RedisEndpoint.connect(RedisConfig.scala:72)
at com.redislabs.provider.redis.RedisNode.connect(RedisConfig.scala:89)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$8(RedisSourceRelation.scala:142)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$8$adapted(RedisSourceRelation.scala:141)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$6(RedisSourceRelation.scala:141)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$6$adapted(RedisSourceRelation.scala:138)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$5(RedisSourceRelation.scala:138)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$5$adapted(RedisSourceRelation.scala:136)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$2(RDD.scala:1020)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$2$adapted(RDD.scala:1020)
at org.apache.spark.SparkContext.$anonfun$runJob$5(SparkContext.scala:2242)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Failed to create socket.
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:110)
at redis.clients.jedis.Connection.connect(Connection.java:226)
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:135)
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:309)
at redis.clients.jedis.BinaryJedis.initializeFromClientConfig(BinaryJedis.java:87)
at redis.clients.jedis.BinaryJedis.(BinaryJedis.java:292)
at redis.clients.jedis.Jedis.(Jedis.java:167)
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:177)
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:889)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:424)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:349)
at redis.clients.jedis.util.Pool.getResource(Pool.java:75)
… 27 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:80)
… 38 more
Driver stacktrace:
at org.apache.spark.scheduler.DAGScheduler.failJobAndIndependentStages(DAGScheduler.scala:2253)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2(DAGScheduler.scala:2202)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2$adapted(DAGScheduler.scala:2201)
at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)
at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:2201)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1(DAGScheduler.scala:1078)
at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1$adapted(DAGScheduler.scala:1078)
at scala.Option.foreach(Option.scala:407)
at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:1078)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2440)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2382)
at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2371)
at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49)
at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:868)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2202)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2223)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2242)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2267)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$1(RDD.scala:1020)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:414)
at org.apache.spark.rdd.RDD.foreachPartition(RDD.scala:1018)
at org.apache.spark.sql.Dataset.$anonfun$foreachPartition$1(Dataset.scala:2906)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at org.apache.spark.sql.Dataset.$anonfun$withNewRDDExecutionId$1(Dataset.scala:3676)
at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$5(SQLExecution.scala:103)
at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:163)
at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$1(SQLExecution.scala:90)
at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:772)
at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:64)
at org.apache.spark.sql.Dataset.withNewRDDExecutionId(Dataset.scala:3674)
at org.apache.spark.sql.Dataset.foreachPartition(Dataset.scala:2906)
at org.apache.spark.sql.redis.RedisSourceRelation.insert(RedisSourceRelation.scala:136)
at org.apache.spark.sql.redis.DefaultSource.createRelation(DefaultSource.scala:30)
at org.apache.spark.sql.execution.datasources.SaveIntoDataSourceCommand.run(SaveIntoDataSourceCommand.scala:46)
at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:70)
at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:68)
at org.apache.spark.sql.execution.command.ExecutedCommandExec.doExecute(commands.scala:90)
at org.apache.spark.sql.execution.SparkPlan.$anonfun$execute$1(SparkPlan.scala:180)
at org.apache.spark.sql.execution.SparkPlan.$anonfun$executeQuery$1(SparkPlan.scala:218)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:215)
at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:176)
at org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:132)
at org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:131)
at org.apache.spark.sql.DataFrameWriter.$anonfun$runCommand$1(DataFrameWriter.scala:989)
at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$5(SQLExecution.scala:103)
at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:163)
at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$1(SQLExecution.scala:90)
at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:772)
at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:64)
at org.apache.spark.sql.DataFrameWriter.runCommand(DataFrameWriter.scala:989)
at org.apache.spark.sql.DataFrameWriter.saveToV1Source(DataFrameWriter.scala:438)
at org.apache.spark.sql.DataFrameWriter.saveInternal(DataFrameWriter.scala:415)
at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:301)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:282)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.jedis.util.Pool.getResource(Pool.java:84)
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:366)
at com.redislabs.provider.redis.ConnectionPool$.connect(ConnectionPool.scala:35)
at com.redislabs.provider.redis.RedisEndpoint.connect(RedisConfig.scala:72)
at com.redislabs.provider.redis.RedisNode.connect(RedisConfig.scala:89)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$8(RedisSourceRelation.scala:142)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$8$adapted(RedisSourceRelation.scala:141)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$6(RedisSourceRelation.scala:141)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$6$adapted(RedisSourceRelation.scala:138)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$5(RedisSourceRelation.scala:138)
at org.apache.spark.sql.redis.RedisSourceRelation.$anonfun$insert$5$adapted(RedisSourceRelation.scala:136)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$2(RDD.scala:1020)
at org.apache.spark.rdd.RDD.$anonfun$foreachPartition$2$adapted(RDD.scala:1020)
at org.apache.spark.SparkContext.$anonfun$runJob$5(SparkContext.scala:2242)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:131)
at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
… 1 more
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Failed to create socket.
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:110)
at redis.clients.jedis.Connection.connect(Connection.java:226)
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:135)
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:309)
at redis.clients.jedis.BinaryJedis.initializeFromClientConfig(BinaryJedis.java:87)
at redis.clients.jedis.BinaryJedis.(BinaryJedis.java:292)
at redis.clients.jedis.Jedis.(Jedis.java:167)
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:177)
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:889)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:424)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:349)
at redis.clients.jedis.util.Pool.getResource(Pool.java:75)
… 27 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:80)
… 38 more
21/06/07 17:52:57 WARN TaskSetManager: Lost task 15.2 in stage 2.0 (TID 67) (x.x.x.x executor 0): TaskKilled (Stage cancelled)
It looks like there is some connection pool that gets exhausted, but I have no idea how you can tell spark-redis how connections should be allocated and when to recycle them. I also do not know if the problem arise because of the network configuration or maybe the Redis server configuration. Any pointers on how to troubleshoot this problems would be appreciated.
I am also getting similar problems when I run python script of Java app that uses the Redis API to read and write to Redis using pipelines.
I am seeing many of these logs:
Asynchronous AOF fsync is taking too long (disk is busy?)
It looks like while performing the write, because I have enabled persistence in my Redis server, the server is periodically writing the hash to disk which causes a delay in response from time to time. The socket (read) timeout is 2 seconds by default I believe. It seems like the sevrer may not respond within this limit at times. I have increased this to a much higher value doing .config("spark.redis.timeout", DEFAULT_TIMEOUT) on the Spark context (I could have also set the timeout on the dataframe adding the following option to the write operation: .option("timeout", DEFAULT_TIMEOUT).

My PySpark Jobs Run Fine in Local Mode, But Fail in Cluster Mode - SOLVED

I have a four node Hadoop/Spark cluster running in AWS. I can submit and run jobs perfectly in local mode:
spark-submit --master local[*] myscript.py
But when I attempt to run the script in cluster mode, it fails. I'm just trying the cluster equivalent of "hello world":
spark-submit spark-yarn.py
Where the script is this one that was recommended:
from pyspark import SparkConf
from pyspark import SparkContext
conf = SparkConf()
conf.setMaster('yarn')
conf.setAppName('spark-yarn')
sc = SparkContext(conf=conf)
def mod(x):
import numpy as np
return (x, np.mod(x, 2))
rdd = sc.parallelize(range(1000)).map(mod).take(10)
print(rdd)
I've spent days looking at every log I can find and reading everything I can online, but nothing has helped me get to the root of why it's not working. Before I tear down all the servers and start over, I'm hoping someone can point me in the right direction to get this working.
Here's the output in the terminal:
20/02/25 12:59:51 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
20/02/25 13:00:11 ERROR YarnClientSchedulerBackend: YARN application has exited unexpectedly with state FAILED! Check the YARN application logs for more details.
20/02/25 13:00:11 ERROR YarnClientSchedulerBackend: Diagnostics message: Application application_1582603840719_0002 failed 2 times due to AM Container for appattempt_1582603840719_0002_000002 exited with exitCode: -103
Failing this attempt.Diagnostics: [2020-02-25 13:00:11.601]Container [pid=3124,containerID=container_1582603840719_0002_02_000001] is running beyond virtual memory limits. Current usage: 328.7 MB of 1 GB physical memory used; 2.2 GB of 2.1 GB virtual memory used. Killing container.
Dump of the process-tree for container_1582603840719_0002_02_000001 :
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 3128 3124 3124 3124 (java) 504 34 2359349248 83396 /usr/lib/jvm/java-8-openjdk-amd64/bin/java -server -Xmx512m -Djava.io.tmpdir=/tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0002/container_1582603840719_0002_02_000001/tmp -Dspark.yarn.app.container.log.dir=/home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0002/container_1582603840719_0002_02_000001 org.apache.spark.deploy.yarn.ExecutorLauncher --arg ip-172-31-7-96.ec2.internal:43275 --properties-file /tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0002/container_1582603840719_0002_02_000001/__spark_conf__/__spark_conf__.properties
|- 3124 3122 3124 3124 (bash) 0 0 13635584 760 /bin/bash -c /usr/lib/jvm/java-8-openjdk-amd64/bin/java -server -Xmx512m -Djava.io.tmpdir=/tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0002/container_1582603840719_0002_02_000001/tmp -Dspark.yarn.app.container.log.dir=/home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0002/container_1582603840719_0002_02_000001 org.apache.spark.deploy.yarn.ExecutorLauncher --arg 'ip-172-31-7-96.ec2.internal:43275' --properties-file /tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0002/container_1582603840719_0002_02_000001/__spark_conf__/__spark_conf__.properties 1> /home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0002/container_1582603840719_0002_02_000001/stdout 2> /home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0002/container_1582603840719_0002_02_000001/stderr
[2020-02-25 13:00:11.651]Container killed on request. Exit code is 143
[2020-02-25 13:00:11.658]Container exited with a non-zero exit code 143.
For more detailed output, check the application tracking page: http://ec2-34-200-223-235.compute-1.amazonaws.com:8088/cluster/app/application_1582603840719_0002 Then click on links to logs of each attempt.
. Failing the application.
20/02/25 13:00:11 ERROR TransportClient: Failed to send RPC RPC 6867152665638655473 to /172.31.9.94:57526: java.nio.channels.ClosedChannelException
java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
20/02/25 13:00:11 ERROR YarnSchedulerBackend$YarnSchedulerEndpoint: Sending RequestExecutors(0,0,Map(),Set()) to AM was unsuccessful
java.io.IOException: Failed to send RPC RPC 6867152665638655473 to /172.31.9.94:57526: java.nio.channels.ClosedChannelException
at org.apache.spark.network.client.TransportClient$RpcChannelListener.handleFailure(TransportClient.java:362)
at org.apache.spark.network.client.TransportClient$StdChannelListener.operationComplete(TransportClient.java:339)
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122)
at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:987)
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:869)
at io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1316)
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738)
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730)
at io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:38)
at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1081)
at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1128)
at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1070)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
20/02/25 13:00:11 ERROR Utils: Uncaught exception in thread YARN application state monitor
org.apache.spark.SparkException: Exception thrown in awaitResult:
at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226)
at org.apache.spark.rpc.RpcTimeout.awaitResult(RpcTimeout.scala:75)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend.requestTotalExecutors(CoarseGrainedSchedulerBackend.scala:574)
at org.apache.spark.scheduler.cluster.YarnSchedulerBackend.stop(YarnSchedulerBackend.scala:98)
at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.stop(YarnClientSchedulerBackend.scala:164)
at org.apache.spark.scheduler.TaskSchedulerImpl.stop(TaskSchedulerImpl.scala:653)
at org.apache.spark.scheduler.DAGScheduler.stop(DAGScheduler.scala:2042)
at org.apache.spark.SparkContext$$anonfun$stop$6.apply$mcV$sp(SparkContext.scala:1949)
at org.apache.spark.util.Utils$.tryLogNonFatalError(Utils.scala:1340)
at org.apache.spark.SparkContext.stop(SparkContext.scala:1948)
at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend$MonitorThread.run(YarnClientSchedulerBackend.scala:121)
Caused by: java.io.IOException: Failed to send RPC RPC 6867152665638655473 to /172.31.9.94:57526: java.nio.channels.ClosedChannelException
at org.apache.spark.network.client.TransportClient$RpcChannelListener.handleFailure(TransportClient.java:362)
at org.apache.spark.network.client.TransportClient$StdChannelListener.operationComplete(TransportClient.java:339)
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122)
at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:987)
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:869)
at io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1316)
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738)
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730)
at io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:38)
at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1081)
at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1128)
at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1070)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
20/02/25 13:00:12 ERROR SparkContext: Error initializing SparkContext.
java.lang.IllegalStateException: Spark context stopped while waiting for backend
at org.apache.spark.scheduler.TaskSchedulerImpl.waitBackendReady(TaskSchedulerImpl.scala:818)
at org.apache.spark.scheduler.TaskSchedulerImpl.postStartHook(TaskSchedulerImpl.scala:196)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:560)
at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:238)
at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
Traceback (most recent call last):
File "/home/ubuntu/server/spark-yarn.py", line 7, in <module>
sc = SparkContext(conf=conf)
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/pyspark.zip/pyspark/context.py", line 136, in __init__
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/pyspark.zip/pyspark/context.py", line 198, in _do_init
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/pyspark.zip/pyspark/context.py", line 306, in _initialize_context
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py", line 1525, in __call__
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py", line 328, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: java.lang.IllegalStateException: Spark context stopped while waiting for backend
at org.apache.spark.scheduler.TaskSchedulerImpl.waitBackendReady(TaskSchedulerImpl.scala:818)
at org.apache.spark.scheduler.TaskSchedulerImpl.postStartHook(TaskSchedulerImpl.scala:196)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:560)
at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:238)
at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
If I change 'spark' to 'spark-client' as the master, it gives a slightly different error:
20/02/25 13:07:31 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
20/02/25 13:07:46 ERROR TransportClient: Failed to send RPC RPC 5381013595535555066 to /172.31.5.228:39748: java.nio.channels.ClosedChannelException
java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
20/02/25 13:07:46 ERROR YarnScheduler: Lost executor 1 on ip-172-31-5-228.ec2.internal: Slave lost
20/02/25 13:07:51 ERROR YarnClientSchedulerBackend: YARN application has exited unexpectedly with state FAILED! Check the YARN application logs for more details.
20/02/25 13:07:51 ERROR YarnClientSchedulerBackend: Diagnostics message: Application application_1582603840719_0003 failed 2 times due to AM Container for appattempt_1582603840719_0003_000002 exited with exitCode: -103
Failing this attempt.Diagnostics: [2020-02-25 13:07:51.067]Container [pid=3223,containerID=container_1582603840719_0003_02_000001] is running beyond virtual memory limits. Current usage: 320.8 MB of 1 GB physical memory used; 2.2 GB of 2.1 GB virtual memory used. Killing container.
Dump of the process-tree for container_1582603840719_0003_02_000001 :
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 3227 3223 3223 3223 (java) 489 32 2355855360 81352 /usr/lib/jvm/java-8-openjdk-amd64/bin/java -server -Xmx512m -Djava.io.tmpdir=/tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0003/container_1582603840719_0003_02_000001/tmp -Dspark.yarn.app.container.log.dir=/home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0003/container_1582603840719_0003_02_000001 org.apache.spark.deploy.yarn.ExecutorLauncher --arg ip-172-31-7-96.ec2.internal:40963 --properties-file /tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0003/container_1582603840719_0003_02_000001/__spark_conf__/__spark_conf__.properties
|- 3223 3221 3223 3223 (bash) 0 0 13635584 767 /bin/bash -c /usr/lib/jvm/java-8-openjdk-amd64/bin/java -server -Xmx512m -Djava.io.tmpdir=/tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0003/container_1582603840719_0003_02_000001/tmp -Dspark.yarn.app.container.log.dir=/home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0003/container_1582603840719_0003_02_000001 org.apache.spark.deploy.yarn.ExecutorLauncher --arg 'ip-172-31-7-96.ec2.internal:40963' --properties-file /tmp/hadoop-ubuntu/nm-local-dir/usercache/ubuntu/appcache/application_1582603840719_0003/container_1582603840719_0003_02_000001/__spark_conf__/__spark_conf__.properties 1> /home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0003/container_1582603840719_0003_02_000001/stdout 2> /home/ubuntu/server/hadoop-2.9.2/logs/userlogs/application_1582603840719_0003/container_1582603840719_0003_02_000001/stderr
[2020-02-25 13:07:51.089]Container killed on request. Exit code is 143
[2020-02-25 13:07:51.090]Container exited with a non-zero exit code 143.
For more detailed output, check the application tracking page: http://ec2-34-200-223-235.compute-1.amazonaws.com:8088/cluster/app/application_1582603840719_0003 Then click on links to logs of each attempt.
. Failing the application.
20/02/25 13:07:51 ERROR SparkContext: Error initializing SparkContext.
java.lang.IllegalStateException: Spark context stopped while waiting for backend
at org.apache.spark.scheduler.TaskSchedulerImpl.waitBackendReady(TaskSchedulerImpl.scala:818)
at org.apache.spark.scheduler.TaskSchedulerImpl.postStartHook(TaskSchedulerImpl.scala:196)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:560)
at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:238)
at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
20/02/25 13:07:52 ERROR TransportClient: Failed to send RPC RPC 8397804982944513692 to /172.31.0.102:39468: java.nio.channels.ClosedChannelException
java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
20/02/25 13:07:52 ERROR YarnSchedulerBackend$YarnSchedulerEndpoint: Sending RequestExecutors(0,0,Map(),Set()) to AM was unsuccessful
java.io.IOException: Failed to send RPC RPC 8397804982944513692 to /172.31.0.102:39468: java.nio.channels.ClosedChannelException
at org.apache.spark.network.client.TransportClient$RpcChannelListener.handleFailure(TransportClient.java:362)
at org.apache.spark.network.client.TransportClient$StdChannelListener.operationComplete(TransportClient.java:339)
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at io.netty.util.concurrent.DefaultPromise.access$000(DefaultPromise.java:34)
at io.netty.util.concurrent.DefaultPromise$1.run(DefaultPromise.java:431)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
20/02/25 13:07:52 ERROR Utils: Uncaught exception in thread YARN application state monitor
org.apache.spark.SparkException: Exception thrown in awaitResult:
at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226)
at org.apache.spark.rpc.RpcTimeout.awaitResult(RpcTimeout.scala:75)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend.requestTotalExecutors(CoarseGrainedSchedulerBackend.scala:574)
at org.apache.spark.scheduler.cluster.YarnSchedulerBackend.stop(YarnSchedulerBackend.scala:98)
at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.stop(YarnClientSchedulerBackend.scala:164)
at org.apache.spark.scheduler.TaskSchedulerImpl.stop(TaskSchedulerImpl.scala:653)
at org.apache.spark.scheduler.DAGScheduler.stop(DAGScheduler.scala:2042)
at org.apache.spark.SparkContext$$anonfun$stop$6.apply$mcV$sp(SparkContext.scala:1949)
at org.apache.spark.util.Utils$.tryLogNonFatalError(Utils.scala:1340)
at org.apache.spark.SparkContext.stop(SparkContext.scala:1948)
at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend$MonitorThread.run(YarnClientSchedulerBackend.scala:121)
Caused by: java.io.IOException: Failed to send RPC RPC 8397804982944513692 to /172.31.0.102:39468: java.nio.channels.ClosedChannelException
at org.apache.spark.network.client.TransportClient$RpcChannelListener.handleFailure(TransportClient.java:362)
at org.apache.spark.network.client.TransportClient$StdChannelListener.operationComplete(TransportClient.java:339)
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
at io.netty.util.concurrent.DefaultPromise.access$000(DefaultPromise.java:34)
at io.netty.util.concurrent.DefaultPromise$1.run(DefaultPromise.java:431)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.nio.channels.ClosedChannelException
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source)
Traceback (most recent call last):
File "/home/ubuntu/server/spark-yarn.py", line 7, in <module>
sc = SparkContext(conf=conf)
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/pyspark.zip/pyspark/context.py", line 136, in __init__
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/pyspark.zip/pyspark/context.py", line 198, in _do_init
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/pyspark.zip/pyspark/context.py", line 306, in _initialize_context
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py", line 1525, in __call__
File "/home/ubuntu/server/spark-2.4.4-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py", line 328, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: java.lang.IllegalStateException: Spark context stopped while waiting for backend
at org.apache.spark.scheduler.TaskSchedulerImpl.waitBackendReady(TaskSchedulerImpl.scala:818)
at org.apache.spark.scheduler.TaskSchedulerImpl.postStartHook(TaskSchedulerImpl.scala:196)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:560)
at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:238)
at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
It mentions checking the logs at:
http://ec2-34-200-223-235.compute-1.amazonaws.com:8088/cluster/app/application_1582603840719_0003
But clicking on any of the log links on that page give an error:
Firefox can’t establish a connection to the server at ip-172-31-0-102.ec2.internal:8042.
(That's probably unrelated.)
Grepping for warnings, I see the following:
2020-02-25 13:07:38,904 WARN org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl: The specific max attempts: 0 for application: 3 is invalid, because it is out of the range [1, 2]. Use the global max attempts instead.
2020-02-25 13:07:51,241 WARN org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=ubuntOPERATION=Application Finished - Failed TARGET=RMAppManager RESULT=FAILURE DESCRIPTION=App failed with state: FAILED PERMISSIONS=Application application_1582603840719_0003 failed 2 times due to AM Container for appattempt_1582603840719_0003_000002 exited with exitCode: -103
2020-02-25 13:07:40,367 WARN org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Checkpoint done. New Image Size: 12086
No errors were generated.
Trying yarn logs from the command line will show me the jobs:
ubuntu#ip-172-31-7-96:~/server$ yarn application -list -appStates ALL
20/02/25 13:31:44 INFO client.RMProxy: Connecting to ResourceManager at ec2-34-200-223-235.compute-1.amazonaws.com/172.31.7.96:8032
Total number of applications (application-types: [], states: [NEW, NEW_SAVING, SUBMITTED, ACCEPTED, RUNNING, FINISHED, FAILED, KILLED] and tags: []):3
Application-Id Application-Name Application-Type User Queue State Final-State Progress Tracking-URL
application_1582603840719_0001 spark-yarn SPARK ubuntu default FINISHED UNDEFINED 100% N/A
But asking for the logs fails:
ubuntu#ip-172-31-7-96:~/server$ yarn logs -applicationId application_1582603840719_0001
20/02/25 13:32:48 INFO client.RMProxy: Connecting to ResourceManager at ec2-34-200-223-235.compute-1.amazonaws.com/172.31.7.96:8032
fs.AbstractFileSystem.ec2-34-200-223-235.compute-1.amazonaws.com.impl=null: No AbstractFileSystem configured for scheme: ec2-34-200-223-235.compute-1.amazonaws.com
Can not find any log file matching the pattern: [ALL] for the application: application_1582603840719_0001
Can not find the logs for the application: application_1582603840719_0001 with the appOwner: ubuntu
Again, if someone could direct me to next trouble-shooting steps, I'd really appreciate it. I've spent days on this and don't seem to be making progress.
Two of these things ended up solving this issue:
First, I added the following lines to all nodes in the yarn-site.xml file:
<property>
<name>yarn.nodemanager.pmem-check-enabled</name>
<value>false</value>
</property>
<property>
<name>yarn.nodemanager.vmem-check-enabled</name>
<value>false</value>
</property>
Next, I changed my spark-submit command to include the following lines to give the driver more memory:
spark-submit --master yarn \
--deploy-mode client \
--driver-memory 6g \
--executor-memory 6g \
--executor-cores 2 \
--num-executors 10 \
my_app.py

Exception while saving the data-frame to HDFS - org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException

While using spark , I am writing the datframe to table in HDFS . I am using insert statement in spark sql to write the data into table . But getting below error:
User class threw exception: org.apache.spark.SparkException: Job aborted due to stage failure: Task 144 in stage 27.1 failed 4 times, most recent failure: Lost task 144.3 in stage 27.1 (TID 181665, cdts04hdfc06p.rxcorp.com, executor 506): org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException): Failed to create file [/user/hive/warehouse/prod_df2_lad_batch.db/ss_lad_pat_seq/.hive-staging_hive_2019-09-16_22-27-56_435_7609238235778059432-1/-ext-10000/_temporary/0/_temporary/attempt_201909162227_0027_m_000344_3/week_id=20190830/part-00344] for [DFSClient_attempt_201909162227_0027_m_001541_1_-1711340928_161] for client [10.75.128.110], because this file is already being created by [DFSClient_NONMAPREDUCE_-2112517704_159] on [10.75.128.141]
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:3344)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:3002)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInt(FSNamesystem.java:2890)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:2774)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:610)
at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.create(AuthorizationProviderProxyClientProtocol.java:117)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:413)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2275)
at org.apache.hadoop.hive.ql.io.HiveFileFormatUtils.getHiveRecordWriter(HiveFileFormatUtils.java:248)
at org.apache.spark.sql.hive.SparkHiveDynamicPartitionWriterContainer.org$apache$spark$sql$hive$SparkHiveDynamicPartitionWriterContainer$$newWriter$1(hiveWriterContainers.scala:240)
at org.apache.spark.sql.hive.SparkHiveDynamicPartitionWriterContainer$$anonfun$getLocalFileWriter$1.apply(hiveWriterContainers.scala:249)
at org.apache.spark.sql.hive.SparkHiveDynamicPartitionWriterContainer$$anonfun$getLocalFileWriter$1.apply(hiveWriterContainers.scala:249)
at scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:189)
at scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:91)
at org.apache.spark.sql.hive.SparkHiveDynamicPartitionWriterContainer.getLocalFileWriter(hiveWriterContainers.scala:249)
at org.apache.spark.sql.hive.execution.InsertIntoHiveTable$$anonfun$org$apache$spark$sql$hive$execution$InsertIntoHiveTable$$writeToFile$1$1.apply(InsertIntoHiveTable.scala:178)
at org.apache.spark.sql.hive.execution.InsertIntoHiveTable$$anonfun$org$apache$spark$sql$hive$execution$InsertIntoHiveTable$$writeToFile$1$1.apply(InsertIntoHiveTable.scala:170)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at org.apache.spark.sql.hive.execution.InsertIntoHiveTable.org$apache$spark$sql$hive$execution$InsertIntoHiveTable$$writeToFile$1(InsertIntoHiveTable.scala:170)
at org.apache.spark.sql.hive.execution.InsertIntoHiveTable$$anonfun$saveAsHiveFile$3.apply(InsertIntoHiveTable.scala:150)
at org.apache.spark.sql.hive.execution.InsertIntoHiveTable$$anonfun$saveAsHiveFile$3.apply(InsertIntoHiveTable.scala:150)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
at org.apache.spark.scheduler.Task.run(Task.scala:89)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:242)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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