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https://issues.apache.org/jira/browse/SOLR-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13541023#comment-13541023
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Ahmet Arslan commented on SOLR-2357:
------------------------------------
I am also started to get the following error after a tomcat restart. (I
increased ram buffer size and enabled jmx)
{code}
SEVERE: The web application [/solr] created a ThreadLocal with key of type
[org.apache.solr.schema.DateField.ThreadLocalDateFormat] (value
[org.apache.solr.schema.DateField$ThreadLocalDateFormat@6aec873d]) and a value
of type [org.apache.solr.schema.DateField.ISO8601CanonicalDateFormat] (value
[org.apache.solr.schema.DateField$ISO8601CanonicalDateFormat@6b2ed43a]) 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 30, 2012 1:15:44 AM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
{code}
Not sure this is related with this but I see these too:
{code}
Dec 30, 2012 1:16:08 AM org.apache.catalina.session.StandardManager doLoad
SEVERE: IOException while loading persisted sessions: java.io.EOFException
java.io.EOFException
at
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2280)
at
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2749)
at
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:779)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:279)
at
org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
at
org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:246)
at
org.apache.catalina.session.StandardManager.load(StandardManager.java:204)
at
org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:491)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:618)
at
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1100)
at
org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1618)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{code}
{code}
Dec 30, 2012 1:16:08 AM org.apache.catalina.session.StandardManager
startInternal
SEVERE: Exception loading sessions from persistent storage
java.io.EOFException
at
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2280)
at
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2749)
at
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:779)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:279)
at
org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
at
org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:246)
at
org.apache.catalina.session.StandardManager.load(StandardManager.java:204)
at
org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:491)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:618)
at
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1100)
at
org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1618)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{code}
> Thread Local memory leaks on restart
> ------------------------------------
>
> Key: SOLR-2357
> URL: https://issues.apache.org/jira/browse/SOLR-2357
> Project: Solr
> Issue Type: Bug
> Components: contrib - Solr Cell (Tika extraction), search
> Affects Versions: 1.4.1
> Environment: Windows Server 2008, Apache Tomcat 7.0.8, Java 1.6.23
> Reporter: Gus Heck
> Labels: memory_leak, threadlocal
>
> Restarting solr (via a changed to a watched resource or via manager app for
> example) after submitting documents with Solr-Cell, gives the following
> message (many many times), and causes Tomcat to shutdown completely.
> SEVERE: The web application [/solr] created a ThreadLocal with key of type
> [org.
> apache.solr.common.util.DateUtil.ThreadLocalDateFormat] (value
> [org.apache.solr.
> common.util.DateUtil$ThreadLocalDateFormat@dc30dfa]) and a value of type
> [java.t
> ext.SimpleDateFormat] (value [java.text.SimpleDateFormat@5af7aed5]) but
> failed t
> o remove it when the web application was stopped. Threads are going to be
> renewe
> d over time to try and avoid a probable memory leak.
> Feb 10, 2011 7:17:53 AM org.apache.catalina.loader.WebappClassLoader
> checkThread
> LocalMapForLeaks
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