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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) -- This message was sent by Atlassian JIRA (v6.2#6252)