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Posted to dev@mina.apache.org by "Guillaume Nodet (JIRA)" <ji...@apache.org> on 2014/04/07 12:08:15 UTC
[jira] [Commented] (SSHD-307) NPE in
org.apache.sshd.common.session.AbstractSession.getSession
[ https://issues.apache.org/jira/browse/SSHD-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13961763#comment-13961763 ]
Guillaume Nodet commented on SSHD-307:
--------------------------------------
Fixed the possible NPE
https://git-wip-us.apache.org/repos/asf?p=mina-sshd.git;a=commit;h=83c1fc1182cad4186c84fdf6ebce1f618a09f7af
> 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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