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Issue 2113: WARN org.apache.sshd.server.session.ServerSession : Exception caught java.io.IOException: Connection reset by peer
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Reported by rjiv.ran...@gmail.com, Sep 10, 2013
************************************************************
***** NOTE: THIS BUG TRACKER IS FOR GERRIT CODE REVIEW *****
***** DO NOT SUBMIT BUGS FOR CHROME, ANDROID, INTERNAL *****
***** ISSUES WITH YOUR COMPANY'S GERRIT SETUP, ETC.    *****
***** THOSE ISSUE BELONG IN DIFFERENT ISSUE TRACKERS!  *****
************************************************************

Affected Version:

2.6

What steps will reproduce the problem?
Don't know

2013-09-09 13:05:05,324] WARN  org.apache.sshd.server.session.ServerSession : Exception caught
java.io.IOException: Connection reset by peer
	at sun.nio.ch.FileDispatcher.read0(Native Method)
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:202)
	at sun.nio.ch.IOUtil.read(IOUtil.java:175)
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:243)
	at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:280)
	at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:44)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:677)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:651)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:640)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1111)
	at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)
[2013-09-09 13:19:12,579] WARN  org.apache.sshd.server.session.ServerSession : Exception caught
java.io.IOException: Connection reset by peer
	at sun.nio.ch.FileDispatcher.read0(Native Method)
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:202)
	at sun.nio.ch.IOUtil.read(IOUtil.java:175)
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:243)
	at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:280)
	at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:44)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:677)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:651)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:640)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1111)
	at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

Please provide any additional information below.

Sep 22, 2013
#1 xla...@gmail.com
I have also the same problem after I upgraded gerrit to version 2.7 . The problem was that my non-interactive user jenkins_ci, was trying all the time to connect to gerrit so that the gerrit trigger plugin  will work. The solution was to add Stream Events permission to the  Non Interactive Group to which also my jenkis_ci user member is.

I described in more detail under http://xlab-iq.blogspot.de/2013/09/jenkins-gerrit-trigger-and-gerrit-27.html 
Jul 29, 2015
#2 sam.x...@lookout.com
Already have that 'Steven Events' permission enabled for bot account, still having the same issue on 2.10.2
Sep 1, 2015
#3 andreas....@gmail.com
Hi,

I still see this issue in 2.11.3. My jenkins user is part of group Non-Interactive and Stream Events are allowed in All-Projects.

ssh -p 29418 -l jenkins X.X.X.X gerrit ls-groups
Non-Interactive


[2015-09-02 08:03:59,542 +0200] 7dabd10a jenkins a/19 LOGIN FROM Y.Y.Y.Y
[2015-09-02 08:03:59,672 +0200] 7dabd10a jenkins a/19 gerrit.ls-projects 2ms 45ms 0
[2015-09-02 08:03:59,674 +0200] 7dabd10a jenkins a/19 LOGOUT


[2015-09-02 08:03:59,673] WARN  com.google.gerrit.sshd.GerritServerSession : Exception caught
java.io.IOException: Connection reset by peer
	at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
	at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
	at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
	at sun.nio.ch.IOUtil.read(IOUtil.java:197)
	at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380)
	at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:302)
	at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:45)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:694)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:668)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:657)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1121)
	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:745) 
Oct 16, 2015
#5 mdfaizan...@gmail.com
We have version 2.9 and we see this error quite often. However, this causes slave sync to fail :

[2015-10-16 00:02:33,253] INFO  com.googlesource.gerrit.plugins.replication.ReplicationQueue : Push to ssh://slave/opt/gerrit/git/project.git references: [RemoteRefUpdate[remoteName=refs/tags/build_174, NOT_ATTEMPTED, (null)...7df8d6fc16c3d74af690da460752a92e9e298429, srcRef=refs/tags/build_174, message=null]]
[2015-10-16 00:02:42,706] INFO  com.googlesource.gerrit.plugins.replication.ReplicationQueue : Push to ssh://slave/opt/gerrit/git/project.git references: [RemoteRefUpdate[remoteName=refs/tags/build_499, NOT_ATTEMPTED, (null)...359715c2242a6b72ceae87fe1339cec29df8a411, srcRef=refs/tags/build_499, message=null]]
[2015-10-16 00:23:44,729] WARN  com.google.gerrit.sshd.GerritServerSession : Exception caught
java.io.IOException: Connection reset by peer
        at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
        at sun.nio.ch.IOUtil.read(IOUtil.java:197)
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
        at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:273)
        at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:44)
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:690)
        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:744)
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