[JIRA] [git-plugin] (JENKINS-30473) polling fails when cloud slaves shutdowns fast

gentoo.integer@gmail.com (JIRA)

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Sep 15, 2015, 7:05:01 PM9/15/15

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Kanstantsin Shautsou created an issue

Jenkins /

JENKINS-30473

polling fails when cloud slaves shutdowns fast

Issue Type:	Bug
Assignee:	Mark Waite
Components:	git-plugin
Created:	15/Sep/15 11:04 PM
Environment:	2.4.0/1.18.0 1.609.3
Priority:	Minor
Reporter:	Kanstantsin Shautsou

When no WS required polling is run as usually, but when build is going it tries poll using this build that ends in stacktrace?

 
                                                    Started on Sep 16, 2015 1:51:41 AM
Polling SCM changes on docker-5f823700b921
Using strategy: Default
[poll] Last Built Revision: Revision 653b08cf73531b28015ff601b1e292236ed3b898 (origin/branch)
FATAL: remote file operation failed: /home/jenkins/workspace/JOB at hudson.remoting.Channel@534f2fda:docker-5f823700b921: hudson.remoting.ChannelClosedException: channel is already closed
java.io.IOException: remote file operation failed: /home/jenkins/workspace/JOB at hudson.remoting.Channel@534f2fda:docker-5f823700b921: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.FilePath.act(FilePath.java:985)
	at hudson.FilePath.act(FilePath.java:967)
	at org.jenkinsci.plugins.gitclient.Git.getClient(Git.java:131)
	at hudson.plugins.git.GitSCM.createClient(GitSCM.java:705)
	at hudson.plugins.git.GitSCM.compareRemoteRevisionWithImpl(GitSCM.java:646)
	at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:527)
	at hudson.scm.SCM.compareRemoteRevisionWith(SCM.java:380)
	at hudson.scm.SCM.poll(SCM.java:397)
	at hudson.model.AbstractProject.pollWithWorkspace(AbstractProject.java:1471)
	at hudson.model.AbstractProject._poll(AbstractProject.java:1442)
	at hudson.model.AbstractProject.poll(AbstractProject.java:1353)
	at jenkins.triggers.SCMTriggerItem$SCMTriggerItems$Bridge.poll(SCMTriggerItem.java:119)
	at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:510)
	at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:539)
	at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	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)
Caused by: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.remoting.Channel.send(Channel.java:575)
	at hudson.remoting.Request.call(Request.java:130)
	at hudson.remoting.Channel.call(Channel.java:777)
	at hudson.FilePath.act(FilePath.java:978)
	... 19 more
Caused by: java.io.IOException
	at hudson.remoting.Channel.close(Channel.java:1160)
	at hudson.remoting.Channel.close(Channel.java:1135)
	at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:678)
	at hudson.slaves.SlaveComputer.access$600(SlaveComputer.java:94)
	at hudson.slaves.SlaveComputer$3.run(SlaveComputer.java:607)
	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
	... 5 more
Done. Took 40 sec
No changes
 
                                                

Build on cloud slave existed for 46 sec.
Seems polling dies with stacktrace because it tries to do WS based polling on slave that shutdowns soon.

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gentoo.integer@gmail.com (JIRA)

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Sep 15, 2015, 7:13:01 PM9/15/15

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Kanstantsin Shautsou commented on

JENKINS-30473

Re: polling fails when cloud slaves shutdowns fast

Caused by randomly changing configuration in BranchSpec. Without my changes it replaced "blank" with "**" that is #JENKINS-30345
Closing this issue as it obviously failed with closed channel because git scm configuration required WS.