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Posted to dev@mina.apache.org by "masc (JIRA)" <ji...@apache.org> on 2017/10/09 11:19:00 UTC
[jira] [Resolved] (SSHD-743) Nio2Session sporadically leaks
exceptions from nio2 threads
[ https://issues.apache.org/jira/browse/SSHD-743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
masc resolved SSHD-743.
-----------------------
Resolution: Fixed
Fix Version/s: 1.6.0
cannot be replicated with 1.6.0
> Nio2Session sporadically leaks exceptions from nio2 threads
> -----------------------------------------------------------
>
> Key: SSHD-743
> URL: https://issues.apache.org/jira/browse/SSHD-743
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 1.3.0, 1.4.0
> Environment: Windows
> Reporter: masc
> Priority: Critical
> Fix For: 1.6.0
>
>
> We are using {{sshd-core}} for tcp forwarding/tunnelling.
> Since updating to {{1.3.0}} we see sporadic process terminations caused by exceptions leaking from nio2 threads.
> I had to downgrade to {{1.2.0}} to stabilise.
> {code}
> 2017-04-21 18:56:28,606 1245641365 sshd-SshServer[4be7acd9]-nio2-thread-3 org.apache.sshd.server.session.ServerSessionImpl WARN - exceptionCaught(ServerSessionImpl[leoz@/185.17.206.254:21464])[state=Opened] InterruptedByTimeoutException: null
> 2017-04-21 18:56:28,606 1245641365 sshd-SshServer[4be7acd9]-nio2-thread-3 org.deku.leoz.node.Application ERROR - Writing not allowed due to timeout or cancellation
> java.lang.IllegalStateException: Writing not allowed due to timeout or cancellation
> at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:350)
> at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:399)
> at org.apache.sshd.common.io.nio2.Nio2Session.doWriteCycle(Nio2Session.java:334)
> at org.apache.sshd.common.io.nio2.Nio2Session.startWriting(Nio2Session.java:318)
> at org.apache.sshd.common.io.nio2.Nio2Session.finishWrite(Nio2Session.java:393)
> at org.apache.sshd.common.io.nio2.Nio2Session.handleWriteCycleFailure(Nio2Session.java:387)
> at org.apache.sshd.common.io.nio2.Nio2Session$2.onFailed(Nio2Session.java:348)
> at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$failed$1(Nio2CompletionHandler.java:46)
> at java.security.AccessController.doPrivileged(Native Method)
> at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.failed(Nio2CompletionHandler.java:45)
> at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:128)
> at sun.nio.ch.Invoker$2.run(Invoker.java:218)
> at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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