title: I am getting the memory leak exception in tomcat console
body: <pre><code>Aug 29, 2012 12:47:44 PM org.apache.coyote.http11.Http11Protocol pause
  INFO: Pausing Coyote HTTP/1.1 on http-443
  Aug 29, 2012 12:47:44 PM org.apache.coyote.http11.Http11Protocol pause
  INFO: Pausing Coyote HTTP/1.1 on http-80
  Aug 29, 2012 12:47:45 PM org.apache.catalina.core.StandardService stop
  INFO: Stopping service Catalina
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
  SEVERE: The web application [] registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
  SEVERE: The web application [] registered the JBDC 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.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [Timer-0] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] 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.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [Timer-1] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [MultiThreadedHttpConnectionManager cleanup] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [Timer-2] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [] appears to have started a thread named [Timer-3] but has failed to stop it. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@3d1848]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1055eb1]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@1720e5c]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@10cc503]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@15a82f7]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@14c4cc7]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@44aeeb]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@137fac1]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@2fa904]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1016caf]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@867ca8]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@162062c]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@8345e0]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.commons.lang.builder.ToStringStyle$1] (value [org.apache.commons.lang.builder.ToStringStyle$1@60994a]) and a value of type [java.util.HashSet] (value [[]]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1eff48d]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@a05e2e]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@872ebe]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@10dbc37]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@bfd4f6]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@366c17]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@f2938f]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@1b593d2]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1fbe9e6]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1b9305f]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@116d3cf]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@1abf1f6]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@19a61d3]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@8c6891]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@254464]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@ad40e8]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@807a29]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@d440fc]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@f663e4]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@183b5d]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [null] (value [com.opensymphony.xwork2.inject.ContainerImpl$10@67272d]) and a value of type [java.lang.Object[]] (value [[Ljava.lang.Object;@e16306]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  Aug 29, 2012 12:47:45 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
  SEVERE: The web application [] created a ThreadLocal with key of type [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1] (value [org.apache.xml.security.utils.UnsyncByteArrayOutputStream$1@18bbe2b]) and a value of type [byte[]] (value [[B@12c4f94]) but failed to remove it when the web application was stopped. This is very likely to create a memory leak.
  </code></pre>