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From "Shane Kumpf (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4759) Fix signal handling for docker containers
Date Thu, 14 Jul 2016 12:54:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-4759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15376852#comment-15376852
] 

Shane Kumpf commented on YARN-4759:
-----------------------------------

Jenkins slave failed again. Will reattach again.

{code}
============================================================================
============================================================================
                      maven site verification: trunk
============================================================================
============================================================================


cd /testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
mvn -Dmaven.repo.local=/home/jenkins/yetus-m2/hadoop-trunk-patch-1 -Ptest-patch clean site
site:stage > /testptch/hadoop/patchprocess/branch-mvnsite-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt
2>&1
Slave went offline during the build
ERROR: Connection was broken: java.io.IOException: Sorry, this connection is closed.
	at com.trilead.ssh2.transport.TransportManager.ensureConnected(TransportManager.java:587)
	at com.trilead.ssh2.transport.TransportManager.sendMessage(TransportManager.java:660)
	at com.trilead.ssh2.channel.Channel.freeupWindow(Channel.java:407)
	at com.trilead.ssh2.channel.Channel.freeupWindow(Channel.java:347)
	at com.trilead.ssh2.channel.ChannelManager.getChannelData(ChannelManager.java:943)
	at com.trilead.ssh2.channel.ChannelInputStream.read(ChannelInputStream.java:58)
	at com.trilead.ssh2.channel.ChannelInputStream.read(ChannelInputStream.java:79)
	at hudson.remoting.FlightRecorderInputStream.read(FlightRecorderInputStream.java:82)
	at hudson.remoting.ChunkedInputStream.readHeader(ChunkedInputStream.java:72)
	at hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:103)
	at hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:39)
	at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
Caused by: java.net.SocketException: Broken pipe
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:113)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:159)
	at com.trilead.ssh2.crypto.cipher.CipherOutputStream.flush(CipherOutputStream.java:75)
	at com.trilead.ssh2.transport.TransportConnection.sendMessage(TransportConnection.java:193)
	at com.trilead.ssh2.transport.TransportConnection.sendMessage(TransportConnection.java:107)
	at com.trilead.ssh2.transport.TransportManager.sendMessage(TransportManager.java:677)
	at com.trilead.ssh2.transport.TransportManager$AsynchronousWorker.run(TransportManager.java:115)
{code}

> Fix signal handling for docker containers
> -----------------------------------------
>
>                 Key: YARN-4759
>                 URL: https://issues.apache.org/jira/browse/YARN-4759
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Sidharta Seethana
>            Assignee: Shane Kumpf
>         Attachments: YARN-4759.001.patch, YARN-4759.002.patch, YARN-4759.003.patch
>
>
> The current signal handling (in the DockerContainerRuntime) needs to be revisited for
docker containers. For example, container reacquisition on NM restart might not work, depending
on which user the process in the container runs as. 



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