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From "Andreas Gudian (JIRA)" <j...@codehaus.org>
Subject [jira] (SUREFIRE-1132) Surefire: regular isolated classloader failures in parallelbuild
Date Thu, 01 Jan 2015 21:18:10 GMT

    [ https://jira.codehaus.org/browse/SUREFIRE-1132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=360517#comment-360517
] 

Andreas Gudian commented on SUREFIRE-1132:
------------------------------------------

Ah, the last info is very interesting. I've seen that one before as well, in a parallel build
with compile, not test-compile, and with JDK 1.6.0_45. We had that one solved by updating
to the lastest JDK 8 version to perform the compilations. We just discarded it as a JDK bug
(worked fine with 1.6.0_26). But it is a strong hint that these issues are indeed closely
related and that it's not Surefire.

Nevertheless, forkCount=1 could help you out there.

> Surefire: regular isolated classloader failures in parallelbuild
> ----------------------------------------------------------------
>
>                 Key: SUREFIRE-1132
>                 URL: https://jira.codehaus.org/browse/SUREFIRE-1132
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: classloading
>    Affects Versions: 2.17
>         Environment: SLES 3.0.80-0.7-default SMP x86_64 GNU/Linux
> windows server 2008 x64
> Maven 3.2.2, 3.2.3, 3.2.5
> Oracle HotSpot JDK 7u25
>            Reporter: Alexander Ashitkin
>         Attachments: consoleText-1.txt, consoleText-2.txt, consoleText-3.txt
>
>
> We have a large project of 300+ modules which regularly fails with different kind of
classloading issues in different places in surefire plugin. The issue is reproduced only with
parallel build and is not reproduced in single threaded. This is a main contributor in build
instability for us. All the not loaded dependnecies are actually present in dependency tree.
I attached 3 different samples of how build fails.
> Surefire config:
> {code}
>                     <configuration>
>                         <forkCount>0</forkCount>
>                         <!--doesnt work in parrallel build. Causes build failures
with error java.io.IOException: Stream Closed-->                      <redirectTestOutputToFile>false</redirectTestOutputToFile>
>                         <useManifestOnlyJar>false</useManifestOnlyJar>
>                     </configuration>
> {code}
> maven cmd is like install -T 10
>  Please advise how to sort this out - ready to run any provided diagnostic and evaluate
any options.
> Thanks in advance, Alexander



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