Memory leak error from xwork2 with struts2 webapplication - memory-leaks

Question

I'm able to run the application in eclipse, but once I deployed to my tomcat7 using war file I'm getting memory leak error.
kindly help me out, Thanking in advance.
**
Log dump from tomcat7.stderr
**
2015-12-23 17:57:42 Commons Daemon procrun stderr initialized
Dec 23, 2015 5:57:44 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Apache Software Foundation\Tomcat 7.0\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\TortoiseSVN\bin;C:\Program Files\Java\jdk1.7.0_45\/bin;C:\Program Files\Apache Software Foundation\Tomcat 7.0/bin;C:\jython2.7.0\/bin;C:\Python27\Scripts;;.
Dec 23, 2015 5:57:45 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Dec 23, 2015 5:57:45 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Dec 23, 2015 5:57:45 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 957 ms
Dec 23, 2015 5:57:45 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Dec 23, 2015 5:57:45 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.47
Dec 23, 2015 5:57:45 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\CareerPathFinder.war
Dec 23, 2015 5:57:48 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\docs
Dec 23, 2015 5:57:48 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\examples
Dec 23, 2015 5:57:49 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\host-manager
Dec 23, 2015 5:57:49 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\manager
Dec 23, 2015 5:57:49 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\ROOT
Dec 23, 2015 5:57:49 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Dec 23, 2015 5:57:49 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Dec 23, 2015 5:57:49 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 4471 ms
Dec 23, 2015 5:58:21 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\SupportPortal.war
Dec 23, 2015 5:58:26 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://displaytag.sf.net/el is already defined
Dec 23, 2015 5:59:01 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-bio-8080"]
Dec 23, 2015 5:59:01 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
Dec 23, 2015 5:59:01 PM org.apache.catalina.core.StandardService stopInternal
INFO: Stopping service Catalina
Dec 23, 2015 5:59:01 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
***SEVERE: The web application [/SupportPortal] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10#1ac9204]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;#1af5b59]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
Dec 23, 2015 5:59:01 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks***
**SEVERE: The web application [/SupportPortal] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10#167b86d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;#115077e]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
Dec 23, 2015 5:59:01 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks**
**SEVERE: The web application [/SupportPortal] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10#1ac9204]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;#8a9f2a]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
Dec 23, 2015 5:59:01 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks**
***SEVERE: The web application [/SupportPortal] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10] (value [com.opensymphony.xwork2.inject.ContainerImpl$10#1ac9204]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;#1107b71]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.***
Dec 23, 2015 5:59:01 PM org.apache.coyote.AbstractProtocol stop***
INFO: Stopping ProtocolHandler ["http-bio-8080"]
Dec 23, 2015 5:59:06 PM org.apache.tomcat.util.net.AbstractEndpoint shutdownExecutor
WARNING: The executor associated with thread pool [http-bio-8080] has not fully shutdown. Some application threads may still be running.
Dec 23, 2015 5:59:06 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["ajp-bio-8009"]
**
pom.xml
**
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
<modelVersion>4.0.0</modelVersion>
<groupId>support.portal</groupId>
<artifactId>SupportPortal</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>SupportPortal Maven Webapp</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.2.3</version>
</dependency>
<!-- MySQL database driver -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.9</version>
</dependency>
<!-- Struts 2 Hibernate Plugins -->
<!-- Log4j logging (Struts 2 Hibernate Plugins dependency) -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
</dependency>
<!-- Hibernate validator (Struts 2 Hibernate Plugins dependency) -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>3.1.0.GA</version>
</dependency>
<!-- slf4j logging (Struts 2 Hibernate Plugins dependency) -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.5.6</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.6</version>
<scope>runtime</scope>
</dependency>
<!-- Hibernate core -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate</artifactId>
<version>3.2.7.ga</version>
</dependency>
<!-- Hibernate core library dependency start -->
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.0.4</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>2.1</version>
</dependency>
<!-- Hibernate core library dependency end -->
<!-- Hibernate query library dependency start -->
<dependency>
<groupId>antlr</groupId>
<artifactId>antlr</artifactId>
<version>2.7.7</version>
</dependency>
<!-- Hibernate query library dependency end -->
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.1.GA</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>displaytag</groupId>
<artifactId>displaytag</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.13</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.13</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>ooxml-schemas</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>connext</groupId>
<artifactId>graphs</artifactId>
<version>0.5</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-dojo-plugin</artifactId>
<version>2.2.3</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>ognl</groupId>
<artifactId>ognl</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.16</version>
</dependency>
<dependency>
<groupId>com.opensymphony</groupId>
<artifactId>xwork</artifactId>
<version>2.1.2</version>
</dependency>
</dependencies>
<build>
<finalName>SupportPortal</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<url>http://localhost:8080/manager/text</url>
<server>Tomcat</server>
<path>/SupportPortal</path>
</configuration>
</plugin>
</plugins>
</build>
</project>