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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SSHD-307) NPE in org.apache.sshd.common.session.AbstractSession.getSession
Date Mon, 07 Apr 2014 10:08:15 GMT

     [ https://issues.apache.org/jira/browse/SSHD-307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guillaume Nodet resolved SSHD-307.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.10.2
         Assignee: Guillaume Nodet

> NPE in org.apache.sshd.common.session.AbstractSession.getSession
> ----------------------------------------------------------------
>
>                 Key: SSHD-307
>                 URL: https://issues.apache.org/jira/browse/SSHD-307
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>         Environment: Apache 2.2.15 , RHEL 6.5
>            Reporter: Domenic Alessi
>            Assignee: Guillaume Nodet
>             Fix For: 0.10.2
>
>
> We are running gerrit 2.7 and this is packaged with SSHD 0.9.0.  We see NPE in and also
at a certain point all SSH commands hang.  CPUs maxed out.  There are no outofmemory errors.
> 2014-03-31 12:25:55,339|WARN |NioProcessor-4|AbstractSession| Exception caught
> java.lang.NullPointerException
>         at org.apache.sshd.common.session.AbstractSession.getSession(AbstractSession.java:184)
>         at org.apache.sshd.server.session.ServerSession.getActiveSessionCountForUser(ServerSession.java:564)
>         at org.apache.sshd.server.session.ServerSession.userAuth(ServerSession.java:482)
>         at org.apache.sshd.server.session.ServerSession.handleMessage(ServerSession.java:212)
>         at org.apache.sshd.common.session.AbstractSession.decode(AbstractSession.java:587)
>         at org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:253)
>         at org.apache.sshd.common.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:54)
>         at org.apache.sshd.common.io.mina.MinaService.messageReceived(MinaService.java:94)
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:690)
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
>         at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109)
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
>         at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:410)
>         at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:710)
>         at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:664)
>         at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:653)
>         at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
>         at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1124)
>         at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:724)



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