Directory expansion does not work in standalone deployment mode : Apache Spark - apache-spark

Question

I'm trying to deploy a spark streaming consuming Kafka topic job on a standalone spark cluster using the following command:
./bin/spark-submit --class MaxwellCdc.MaxwellSreaming
~/cdc/cdc_2.11-0.1.jar --jars ~/cdc/kafka_2.11-0.10.0.1.jar,
~/cdc/kafka-clients-0.10.0.1.jar,~/cdc/mysql-connector-java-5.1.12.jar,
~/cdc/spark-streaming-kafka-0-10_2.11-2.2.1.jar
and getting this exception:
Exception in thread "main" java.lang.NoClassDefFoundError:
org/apache/kafka/common/serialization/StringDeserializer
at MaxwellCdc.MaxwellSreaming$.main(MaxwellSreaming.scala:30)
at MaxwellCdc.MaxwellSreaming.main(MaxwellSreaming.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:775)
at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:119)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
Caused by: java.lang.ClassNotFoundException:
org.apache.kafka.common.serialization.StringDeserializer
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
Any help would be appreciated.

Answer 1

Quoting from the documentation:
When using spark-submit, the application jar along with any jars
included with the --jars option will be automatically transferred to
the cluster. URLs supplied after --jars must be separated by commas.
That list is included in the driver and executor classpaths.
Directory expansion does not work with --jars..
What is directory expansion?
Expanding a file name means converting a relative file name to an absolute one. Since this is done relative to a default directory, you must specify the default directory name as well as the file name to be expanded. It also involves expanding abbreviations like ~/.
Therefore, try providing the absolute path for all the jars that are being provided with --jars option. I hope this helps.