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Posted to issues@maven.apache.org by "Kristian Rosenvold (JIRA)" <ji...@codehaus.org> on 2010/06/18 21:11:12 UTC
[jira] Closed: (MNG-4682) Exception upon build failure in parallel
builds
[ http://jira.codehaus.org/browse/MNG-4682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kristian Rosenvold closed MNG-4682.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.0-beta-2
Fixed in r956100
> Exception upon build failure in parallel builds
> -----------------------------------------------
>
> Key: MNG-4682
> URL: http://jira.codehaus.org/browse/MNG-4682
> Project: Maven 2 & 3
> Issue Type: Bug
> Affects Versions: 3.0-beta-1
> Reporter: Kristian Rosenvold
> Assignee: Kristian Rosenvold
> Fix For: 3.0-beta-2
>
>
> Arnaud Héritier reports seeing the following stacktrace upon (a failing) parallel build. The build was failing due to some other cause, and the race condition is due to a problem in the fail logic:
> >
> > Exception in thread "pool-1-thread-4" java.lang.NullPointerException
> > at java.io.DeleteOnExitHook.add(DeleteOnExitHook.java:34)
> > at java.io.File.deleteOnExit(File.java:939)
> > at org.apache.maven.repository.legacy.DefaultWagonManager.getRemoteFile(DefaultWagonManager.java:293)
> > at org.apache.maven.repository.legacy.DefaultWagonManager.getArtifact(DefaultWagonManager.java:99)
> > at org.apache.maven.repository.legacy.DefaultWagonManager.getArtifact(DefaultWagonManager.java:150)
> > at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:251)
> > at org.apache.maven.artifact.resolver.DefaultArtifactResolver.access$000(DefaultArtifactResolver.java:73)
> > at org.apache.maven.artifact.resolver.DefaultArtifactResolver$ResolveTask.run(DefaultArtifactResolver.java:689)
> > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> > at java.lang.Thread.run(Thread.java:637)
> The race condition is believed to be caused because MavenCli calls System.exit(), even though other parallel-build modules may still be actively downloading artifacts; the check for isHalted (LifecycleThreadedBuilder line 69 (2x?!)) and similar in Weave mode needs to wait for all started modules to catch up with the "abort" status.
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