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Lukasz Lenart commented on WW-4361:
-----------------------------------
It looks exactly the same as WW-4058
> Memory Leak Issue
> -----------------
>
> Key: WW-4361
> URL: https://issues.apache.org/jira/browse/WW-4361
> Project: Struts 2
> Issue Type: Bug
> Environment: Struts 2, Hibernate
> Reporter: MOHAMED IRFANULLA
>
> When I was stopping the Tomcat 7 server I got the below Errors in my Log. Please find
the my web.xml file and Error Logs.
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
> xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
> id="WebApp_ID" version="3.0">
> <display-name>APSRTC</display-name>
> <filter>
> <filter-name>struts2</filter-name>
> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
> </filter>
> <filter-mapping>
> <filter-name>struts2</filter-name>
> <url-pattern>/*</url-pattern>
> </filter-mapping>
> <welcome-file-list>
> <welcome-file>index.jsp</welcome-file>
> </welcome-file-list>
> </web-app>
> Error Log
> -------------
> SEVERE: The web application [/MyApplication] registered the JDBC driver [oracle.jdbc.driver.OracleDriver]
but failed to unregister it when the web application was stopped. To prevent a memory leak,
the JDBC Driver has been forcibly unregistered.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
> SEVERE: The web application [/MyApplication] registered the JDBC driver [org.postgresql.Driver]
but failed to unregister it when the web application was stopped. To prevent a memory leak,
the JDBC Driver has been forcibly unregistered.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [Timer-0]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [Timer-1]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
> SEVERE: The web application [/MyApplication] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2]
but has failed to stop it. This is very likely to create a memory leak.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@7d10065b]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@27118082]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@6e0bead7]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@506701b2]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@1aa0765b]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@1cba5e05]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@f72a8ff]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@30b50545]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@3c6d0dfe]) 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.
> Jun 12, 2014 7:47:33 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> SEVERE: The web application [/MyApplication] created a ThreadLocal with key of type [com.opensymphony.xwork2.inject.ContainerImpl$10]
(value [com.opensymphony.xwork2.inject.ContainerImpl$10@5e6dd64b]) and a value of type [java.lang.Object[]]
(value [[Ljava.lang.Object;@1bb1bdb0]) 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.
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