[JIRA] (OVIRT-938) Fix Jenkins slave connection dying on vdsm check_merged jobs

Thu Dec 22 16:26:02 UTC 2016

    [ https://ovirt-jira.atlassian.net/browse/OVIRT-938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=24923#comment-24923 ] 

Barak Korren commented on OVIRT-938:
------------------------------------

Tested to see if behaviour would different when running on an EL7 host (right now its running in an EL7 chroot on a Fedora host)
http://jenkins.ovirt.org/job/vdsm_master_check-merged-el7-x86_64/777

Same results.

I'm beginning to suspect it something the tests are doing, same hosts run Lago fine for other things.
[~ybronhei at redhat.com] Thinks it may be this patch:
https://gerrit.ovirt.org/#/c/68078/

He sent an email to devel, investigation will continue.

> Fix Jenkins slave connection dying on vdsm check_merged jobs
> ------------------------------------------------------------
>
>                 Key: OVIRT-938
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-938
>             Project: oVirt - virtualization made easy
>          Issue Type: Bug
>          Components: Jenkins
>            Reporter: Barak Korren
>            Assignee: infra
>
> Something in the vdsm build_artifacs job makes the Jenkins slave disconnect when it is running. This in turn makes the cleanup scripts not run on the slave leaving it dirty enough to make the next job on that slave fail.
> Example of this can be seen here:
> http://jenkins.ovirt.org/job/vdsm_master_check-merged-el7-x86_64/692/console
> Relevant log lines:
> {code}
> 21:49:00 Ran 44 tests in 1231.988s
> 21:49:00 
> 21:49:00 OK
> 21:49:00 + return 0
> 21:49:00 sh: [13086: 1 (255)] tcsetattr: Inappropriate ioctl for device
> 21:49:00 Took 2464 seconds
> 21:49:00 ===================================
> 21:49:00 logout
> 21:49:01 Slave went offline during the build
> 21:49:01 ERROR: Connection was broken: java.io.IOException: Unexpected termination of the channel
> 21:49:01 	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50)
> 21:49:01 Caused by: java.io.EOFException
> 21:49:01 	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2353)
> 21:49:01 	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2822)
> 21:49:01 	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:804)
> 21:49:01 	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:301)
> 21:49:01 	at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:48)
> 21:49:01 	at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
> 21:49:01 	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
> 21:49:01 
> 21:49:01 Build step 'Execute shell' marked build as failure
> 21:49:01 Performing Post build task...
> 21:49:01 Match found for :.* : True
> 21:49:01 Logical operation result is TRUE
> 21:49:01 Running script  : #!/bin/bash -x
> 21:49:01 echo "shell-scripts/mock_cleanup.sh"
> ... SNIP ...
> 21:49:01 Exception when executing the batch command : no workspace from node hudson.slaves.DumbSlave[fc24-vm06.phx.ovirt.org] which is computer hudson.slaves.SlaveComputer at 30863c81 and has channel null
> 21:49:01 Build step 'Post build task' marked build as failure
> 21:49:02 ERROR: Step ?Archive the artifacts? failed: no workspace for vdsm_master_check-merged-el7-x86_64 #692
> 21:49:02 ERROR: Failed to evaluate groovy script.
> 21:49:02 java.lang.NullPointerException: Cannot invoke method child() on null object
> 21:49:02 	at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:77)
> 21:49:02 	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:45)
> 21:49:02 	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
> 21:49:02 	at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:32)
> 21:49:02 	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
> 21:49:02 	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
> 21:49:02 	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
> 21:49:02 	at Script1.run(Script1.groovy:2)
> 21:49:02 	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:580)
> 21:49:02 	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:618)
> 21:49:02 	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:589)
> 21:49:02 	at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SecureGroovyScript.evaluate(SecureGroovyScript.java:166)
> 21:49:02 	at org.jvnet.hudson.plugins.groovypostbuild.GroovyPostbuildRecorder.perform(GroovyPostbuildRecorder.java:361)
> 21:49:02 	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
> 21:49:02 	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)
> 21:49:02 	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:723)
> 21:49:02 	at hudson.model.Build$BuildExecution.post2(Build.java:185)
> 21:49:02 	at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:668)
> 21:49:02 	at hudson.model.Run.execute(Run.java:1763)
> 21:49:02 	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
> 21:49:02 	at hudson.model.ResourceController.execute(ResourceController.java:98)
> 21:49:02 	at hudson.model.Executor.run(Executor.java:410)
> 21:49:02 Build step 'Groovy Postbuild' marked build as failure
> 21:49:02 Started calculate disk usage of build
> 21:49:02 Finished Calculation of disk usage of build in 0 seconds
> 21:49:02 Finished: FAILURE
> {code}

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