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https://jira.codehaus.org/browse/SUREFIRE-1080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=352129#comment-352129
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Andreas Gudian commented on SUREFIRE-1080:
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parallel=classes and forkCount>1 with reuseForks=true is not supposed to work.
The forked processes are fed with one new class to execute as soon as they
finished their previous class (note: that's only the case for forkCount>1 and
reuseForks=true). With the forked process only having one class at hand at a
given time, it is not supposed to spawn threads to execute classes in parallel.
@Tibor: I hope that helps you figuring out what happens here... :)
> Use parallel and fork together run some tests multiple times
> ------------------------------------------------------------
>
> Key: SUREFIRE-1080
> URL: https://jira.codehaus.org/browse/SUREFIRE-1080
> Project: Maven Surefire
> Issue Type: Bug
> Environment: Apache Maven 3.2.2-SNAPSHOT
> Surefire 2.18-SNAPSHOT
> JUnit 4.11
> Reporter: Qingzhou Luo
> Attachments: test.tgz
>
>
> There are 9 tests in total in the attached project, and mvn test will show 9
> tests run. When I use the command " mvn test -Dparallel=classes
> -DforkCount=2 -DuseUnlimitedThreads=true", it shows 13 tests run (and
> sometimes 16), and some tests are run more than once.
> If I remove forkCount, or parallel, everything will be fine. But it is
> problematic when combining together.
> Apache Maven 3.2.2-SNAPSHOT
> Surefire 2.18-SNAPSHOT
> JUnit 4.11
> Thanks!
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