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From "Alex Karasulu" <akaras...@apache.org>
Subject Re: [jira] Commented: (DIRSERVER-1047) Concurrency issuses in the nexus partition lead to race conditions with unbind requests on shutdown.
Date Thu, 03 Jan 2008 20:48:50 GMT
I think we noted this problem before in another issue.  This might be a
duplicate but I cannot remember for certain.

Alex

On Jan 3, 2008 4:37 AM, Simon Temple (JIRA) <jira@apache.org> wrote:

>
>    [
> https://issues.apache.org/jira/browse/DIRSERVER-1047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12555517#action_12555517]
>
> Simon Temple commented on DIRSERVER-1047:
> -----------------------------------------
>
> I think the title of this entry is misleading...
>
> Running latest 1.5.2 trunk with Sun JDK 1.5.1_11 on Win 2003 server.
>
> Using jXplorer 3.1, each time I disconnect from the server I get this
> error:
>
> 2008-01-02 17:24:21,218 ERROR [
> org.apache.directory.server.ldap.support.UnbindHandler](pool-4-thread-10)
> failed to unbind session properly
> org.apache.directory.shared.ldap.exception.LdapNameNotFoundException:
>        at
> org.apache.directory.server.core.partition.DefaultPartitionNexus.getPartition
> (DefaultPartitionNexus.java:1124)
>        at
> org.apache.directory.server.core.partition.DefaultPartitionNexus.unbind(
> DefaultPartitionNexus.java:795)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$1.unbind(
> InterceptorChain.java:189)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1360)
>        at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:223)
>        at
> org.apache.directory.server.core.interceptor.InterceptorChain.unbind(
> InterceptorChain.java:742)
>        at
> org.apache.directory.server.core.partition.PartitionNexusProxy.unbind(
> PartitionNexusProxy.java:750)
>        at
> org.apache.directory.server.core.partition.PartitionNexusProxy.unbind(
> PartitionNexusProxy.java:767)
>        at
> org.apache.directory.server.core.jndi.ServerLdapContext.ldapUnbind(
> ServerLdapContext.java:209)
>        at
> org.apache.directory.server.ldap.support.DefaultUnbindHandler.unbindMessageReceived
> (DefaultUnbindHandler.java:55)
>        at
> org.apache.directory.server.ldap.support.UnbindHandler.messageReceived(
> UnbindHandler.java:38)
>        at org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived(
> DemuxingIoHandler.java:141)
>        at
> org.apache.directory.server.ldap.LdapServer$LdapProtocolHandler.messageReceived
> (LdapServer.java:1144)
>        at
> org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived
> (AbstractIoFilterChain.java:570)
>        at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived
> (AbstractIoFilterChain.java:299)
>        at org.apache.mina.common.support.AbstractIoFilterChain.access$1100
> (AbstractIoFilterChain.java:53)
>        at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived
> (AbstractIoFilterChain.java:648)
>        at
> org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(
> SimpleProtocolDecoderOutput.java:58)
>        at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived
> (ProtocolCodecFilter.java:162)
>        at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived
> (AbstractIoFilterChain.java:299)
>        at org.apache.mina.common.support.AbstractIoFilterChain.access$1100
> (AbstractIoFilterChain.java:53)
>        at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived
> (AbstractIoFilterChain.java:648)
>        at org.apache.mina.filter.executor.ExecutorFilter.processEvent(
> ExecutorFilter.java:220)
>        at
> org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(
> ExecutorFilter.java:264)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
> ThreadPoolExecutor.java:650)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:675)
>        at java.lang.Thread.run(Thread.java:595)
>
>
> > Concurrency issuses in the nexus partition lead to race conditions with
> unbind requests on shutdown.
> >
> ----------------------------------------------------------------------------------------------------
> >
> >                 Key: DIRSERVER-1047
> >                 URL:
> https://issues.apache.org/jira/browse/DIRSERVER-1047
> >             Project: Directory ApacheDS
> >          Issue Type: Bug
> >            Reporter: Alex Karasulu
> >             Fix For: 1.5.2
> >
> >
> > Getting the following stack trace when there is a race condition with
> server shutdown and an unbind request which tries a getPartition when the
> partitionTree has been emptied out.
> > [21:34:13] ERROR [org.apache.directory.server.ldap.support.UnbindHandler]
> - failed to unbind session properly
> > org.apache.directory.shared.ldap.exception.LdapNameNotFoundException:
> uid=admin,ou=system
> >       at
> org.apache.directory.server.core.partition.DefaultPartitionNexus.getPartition
> (DefaultPartitionNexus.java:1112)
> >       at
> org.apache.directory.server.core.partition.DefaultPartitionNexus.unbind(
> DefaultPartitionNexus.java:773)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$1.unbind(
> InterceptorChain.java:210)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain.unbind(
> InterceptorChain.java:794)
> >       at
> org.apache.directory.server.core.partition.PartitionNexusProxy.unbind(
> PartitionNexusProxy.java:683)
> >       at
> org.apache.directory.server.core.partition.PartitionNexusProxy.unbind(
> PartitionNexusProxy.java:700)
> >       at
> org.apache.directory.server.core.jndi.ServerLdapContext.ldapUnbind(
> ServerLdapContext.java:210)
> >       at
> org.apache.directory.server.ldap.support.UnbindHandler.messageReceived(
> UnbindHandler.java:58)
> >       at org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived
> (DemuxingIoHandler.java:141)
> >       at
> org.apache.directory.server.ldap.LdapProtocolProvider$LdapProtocolHandler.messageReceived
> (LdapProtocolProvider.java:428)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived
> (AbstractIoFilterChain.java:570)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived
> (AbstractIoFilterChain.java:299)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.access$1100(
> AbstractIoFilterChain.java:53)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived
> (AbstractIoFilterChain.java:648)
> >       at
> org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(
> SimpleProtocolDecoderOutput.java:58)
> >       at
> org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(
> ProtocolCodecFilter.java:176)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived
> (AbstractIoFilterChain.java:299)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.access$1100(
> AbstractIoFilterChain.java:53)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived
> (AbstractIoFilterChain.java:648)
> >       at org.apache.mina.filter.executor.ExecutorFilter.processEvent(
> ExecutorFilter.java:220)
> >       at
> org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(
> ExecutorFilter.java:264)
> >       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
> ThreadPoolExecutor.java:885)
> >       at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:907)
> >       at java.lang.Thread.run(Thread.java:619)
> > [21:34:13] WARN [org.apache.directory.server.jndi.ServerContextFactory]
> - Failed to sent NoD.
> > java.lang.IllegalArgumentException: Address not bound:
> 0.0.0.0/0.0.0.0:10389
> >       at org.apache.mina.transport.socket.nio.SocketAcceptor.unbind(
> SocketAcceptor.java:200)
> >       at org.apache.directory.server.jndi.ServerContextFactory.stopLDAP0
> (ServerContextFactory.java:727)
> >       at
> org.apache.directory.server.jndi.ServerContextFactory.afterShutdown(
> ServerContextFactory.java:164)
> >       at
> org.apache.directory.server.core.DefaultDirectoryService.shutdown(
> DefaultDirectoryService.java:305)
> >       at org.apache.directory.server.core.DefaultDirectoryService$1.run(
> DefaultDirectoryService.java:218)
> >       at java.lang.Thread.run(Thread.java:619)
> > [21:34:30] WARN [
> org.apache.directory.server.ldap.LdapProtocolProvider$LdapProtocolHandler]
> - [/127.0.0.1:59971] Unexpected exception from exceptionCaught handler.
> > java.util.concurrent.RejectedExecutionException
> >       at
> java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(
> ThreadPoolExecutor.java:1759)
> >       at java.util.concurrent.ThreadPoolExecutor.reject(
> ThreadPoolExecutor.java:767)
> >       at java.util.concurrent.ThreadPoolExecutor.execute(
> ThreadPoolExecutor.java:658)
> >       at org.apache.mina.filter.executor.ExecutorFilter.fireEvent(
> ExecutorFilter.java:101)
> >       at org.apache.mina.filter.executor.ExecutorFilter.exceptionCaught(
> ExecutorFilter.java:204)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextExceptionCaught
> (AbstractIoFilterChain.java:345)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.access$1000(
> AbstractIoFilterChain.java:53)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.exceptionCaught
> (AbstractIoFilterChain.java:643)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$HeadFilter.exceptionCaught
> (AbstractIoFilterChain.java:494)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextExceptionCaught
> (AbstractIoFilterChain.java:345)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.fireExceptionCaught(
> AbstractIoFilterChain.java:334)
> >       at org.apache.mina.transport.socket.nio.SocketIoProcessor.read(
> SocketIoProcessor.java:228)
> >       at org.apache.mina.transport.socket.nio.SocketIoProcessor.process(
> SocketIoProcessor.java:181)
> >       at
> org.apache.mina.transport.socket.nio.SocketIoProcessor.access$500(
> SocketIoProcessor.java:44)
> >       at
> org.apache.mina.transport.socket.nio.SocketIoProcessor$Worker.run(
> SocketIoProcessor.java:448)
> >       at org.apache.mina.util.NamePreservingRunnable.run(
> NamePreservingRunnable.java:39)
> >       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
> ThreadPoolExecutor.java:885)
> >       at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:907)
> >       at java.lang.Thread.run(Thread.java:619)
> > [23:52:25] WARN [
> org.apache.directory.server.core.DefaultDirectoryService] - You didn't
> change the admin password of directory service instance 'default'.  Please
> update the admin password as soon as possible to prevent a possible security
> breach.
> > [23:52:25] WARN [org.apache.directory.server.jndi.ServerContextFactory]
> - LDIF load directory '/home/ee/test.ldif' does not exist.  No LDIF files
> will be loaded.
> > [23:56:17] WARN [org.apache.directory.server.ldap.support.AbandonHandler]
> - Got abandon request from client (SOCKET, R: /127.0.0.1:59628, L:
> /127.0.0.1:10389, S: 0.0.0.0/0.0.0.0:10389) but request must have already
> terminated.  Abandon request
> org.apache.directory.shared.ldap.message.AbandonRequestImpl@1f270c27 had
> no effect.
> > [23:56:30] WARN [
> org.apache.directory.server.core.DefaultDirectoryService] - You didn't
> change the admin password of directory service instance 'default'.  Please
> update the admin password as soon as possible to prevent a possible security
> breach.
> > [23:56:30] WARN [org.apache.directory.server.jndi.ServerContextFactory]
> - LDIF load directory '/home/ee/ldif' does not exist.  No LDIF files will be
> loaded.
> > [23:59:34] ERROR [org.apache.directory.server.ldap.support.UnbindHandler]
> - failed to unbind session properly
> > org.apache.directory.shared.ldap.exception.LdapNameNotFoundException:
> uid=admin,ou=system
> >       at
> org.apache.directory.server.core.partition.DefaultPartitionNexus.getPartition
> (DefaultPartitionNexus.java:1112)
> >       at
> org.apache.directory.server.core.partition.DefaultPartitionNexus.unbind(
> DefaultPartitionNexus.java:773)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$1.unbind(
> InterceptorChain.java:210)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain$Entry$1.unbind
> (InterceptorChain.java:1412)
> >       at
> org.apache.directory.server.core.interceptor.BaseInterceptor.unbind(
> BaseInterceptor.java:228)
> >       at
> org.apache.directory.server.core.interceptor.InterceptorChain.unbind(
> InterceptorChain.java:794)
> >       at
> org.apache.directory.server.core.partition.PartitionNexusProxy.unbind(
> PartitionNexusProxy.java:683)
> >       at
> org.apache.directory.server.core.partition.PartitionNexusProxy.unbind(
> PartitionNexusProxy.java:700)
> >       at
> org.apache.directory.server.core.jndi.ServerLdapContext.ldapUnbind(
> ServerLdapContext.java:210)
> >       at
> org.apache.directory.server.ldap.support.UnbindHandler.messageReceived(
> UnbindHandler.java:58)
> >       at org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived
> (DemuxingIoHandler.java:141)
> >       at
> org.apache.directory.server.ldap.LdapProtocolProvider$LdapProtocolHandler.messageReceived
> (LdapProtocolProvider.java:428)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived
> (AbstractIoFilterChain.java:570)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived
> (AbstractIoFilterChain.java:299)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.access$1100(
> AbstractIoFilterChain.java:53)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived
> (AbstractIoFilterChain.java:648)
> >       at
> org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(
> SimpleProtocolDecoderOutput.java:58)
> >       at
> org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(
> ProtocolCodecFilter.java:176)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived
> (AbstractIoFilterChain.java:299)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain.access$1100(
> AbstractIoFilterChain.java:53)
> >       at
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived
> (AbstractIoFilterChain.java:648)
> >       at org.apache.mina.filter.executor.ExecutorFilter.processEvent(
> ExecutorFilter.java:220)
> >       at
> org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(
> ExecutorFilter.java:264)
> >       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(
> ThreadPoolExecutor.java:885)
> >       at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:907)
> >       at java.lang.Thread.run(Thread.java:619)
>
> --
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