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https://jira.codehaus.org/browse/SUREFIRE-1132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=360591#comment-360591
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Tibor Digana edited comment on SUREFIRE-1132 at 1/3/15 3:52 PM:
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I guess you can download and install sources @2.19-SNAPSHOT and debug the
surefire.
You can change the version if needed (maven-version-plugin)
https://github.com/apache/maven-surefire/archive/master.zip
Of course use the same surefire version in your build as the installed one.
Run the build
{code}mvnDebug test "-Dmaven.surefire.debug=-Xdebug
-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000"{code}
Suppose the forkCount=1.
Then in IDEA, Run/Debug Configurations > + > Remote > change to port 8000
Go to console. If you see halting maven process with something like Listening
to port ..., then start remote debugging in IDEA, repeat again if wants to
connect or if failed to connect.
was (Author: tibor17):
I guess you can download and install sources @2.19-SNAPSHOT and debug the
surefire.
You can change the version if needed (version-plugin)
https://github.com/apache/maven-surefire/archive/master.zip
Of course use the same surefire version in your build as the installed one.
Run the build
{code}mvnDebug test "-Dmaven.surefire.debug=-Xdebug
-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000"{code}
Suppose the forkCount=1.
Then in IDEA, Run/Debug Configurations > + > Remote > change to port 8000
Go to console. If you see halting maven process with something like Listening
to port ..., then start remote debugging in IDEA, repeat again if wants to
connect or if failed to connect.
> 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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