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http://jira.codehaus.org/browse/MNG-4358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=192990#action_192990
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Gustavo Hexsel commented on MNG-4358:
-------------------------------------
Found it (I believe)! The problem is that the behaviour of surefire "parallel
mode" causes interruptions in threads that are not directly related to testing
(and to tests too, causing tests that have Thread.sleep() tests to fail
randomly).
Please mark it as invalid, delete, or just reassign to surefire (I don't have
the rights to any of these actions)!
> Multi-projects seem to send interrupt signals to some tasks
> -----------------------------------------------------------
>
> Key: MNG-4358
> URL: http://jira.codehaus.org/browse/MNG-4358
> Project: Maven 2
> Issue Type: Bug
> Components: Plugins and Lifecycle
> Affects Versions: 2.2.1
> Environment: All 64 bit. Ubuntu 9.10 b5, OpenJDK Runtime Environment
> (IcedTea6 1.6) (6b16-1.6-1ubuntu1).
> Reporter: Gustavo Hexsel
> Attachments: interrupt_on_resolve.tar.bz, out.tar.bz
>
>
> Tasks like exec:exec and surefire (testing) seem to receive an occasional
> interrupt signal, causing the test or task to fail. This only happens on
> multi-module projects (i.e. if I run it a module at a time, it works).
> Here's an example stacktrace from exec:exec (I can try to reproduce the
> surefire one as well):
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Command execution failed.
> Embedded error: Error while executing external command, process killed.
> [INFO]
> ------------------------------------------------------------------------
> [DEBUG] Trace
> org.apache.maven.lifecycle.LifecycleExecutionException: Command execution
> failed.
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:584)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:500)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:479)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:331)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:292)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:301)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Caused by: org.apache.maven.plugin.MojoExecutionException: Command execution
> failed.
> at org.codehaus.mojo.exec.ExecMojo.execute(ExecMojo.java:288)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:453)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:559)
> ... 16 more
> Caused by: org.codehaus.plexus.util.cli.CommandLineException: Error while
> executing external command, process killed.
> at
> org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:199)
> at
> org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:93)
> at org.codehaus.mojo.exec.ExecMojo.executeCommandLine(ExecMojo.java:437)
> at org.codehaus.mojo.exec.ExecMojo.execute(ExecMojo.java:279)
> ... 18 more
> Caused by: java.lang.InterruptedException
> at java.lang.Object.wait(Native Method)
> at java.lang.Object.wait(Object.java:502)
> at java.lang.UNIXProcess.waitFor(UNIXProcess.java:181)
> at
> org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:147)
> ... 21 more
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