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http://jira.codehaus.org/browse/MSITE-508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=237283#action_237283
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Olivier Lamy commented on MSITE-508:
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fixed in branch 3.x rev 1003823
> attach-descriptor goals leaks file handlers, causing sporadic build failures
> when gpg tries to sign descriptor during release
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: MSITE-508
> URL: http://jira.codehaus.org/browse/MSITE-508
> Project: Maven 2.x Site Plugin
> Issue Type: Bug
> Components: site descriptor
> Affects Versions: 2.1.1, 3.0-beta-2
> Reporter: Benjamin Bentmann
> Assignee: Olivier Lamy
> Fix For: 2.2, 3.0-beta-3
>
>
> An excerpt from a debug log:
> {noformat}
> [INFO] --- maven-site-plugin:3.0-beta-2:attach-descriptor (attach-descriptor)
> @ mojo-parent ---
> [INFO] Parent project loaded from repository.
> [DEBUG] Attaching the site descriptor
> 'D:\codehaus\mojo\mojo\mojo-parent\target\mojo-parent-27-SNAPSHOT-site.xml'
> with classifier 'site' to the project.
> [INFO]
> [INFO] --- maven-gpg-plugin:1.1:sign (sign-artifacts) @ mojo-parent ---
> [DEBUG] Generating signature for
> D:\codehaus\mojo\mojo\mojo-parent\target\mojo-parent-27-SNAPSHOT.pom
> [DEBUG] Generating signature for
> D:\codehaus\mojo\mojo\mojo-parent\target\mojo-parent-27-SNAPSHOT-source-release.zip
> [DEBUG] Generating signature for
> D:\codehaus\mojo\mojo\mojo-parent\target\mojo-parent-27-SNAPSHOT-site.xml
> gpg: can't open
> `D:\codehaus\mojo\mojo\mojo-parent\target\mojo-parent-27-SNAPSHOT-site.xml':
> No error
> gpg: signing failed: file open error
> {noformat}
> The cause for this is that {{site:attach-descriptor}} leaks at least two file
> handles, once in the call {{IOUtil.toString( ReaderFactory.newXmlReader(
> descriptorFile ) );}} and more importantly in {{Writer writer =
> WriterFactory.newXmlWriter( interpolatedDescriptorFile );}}. Those
> readers/writers get never closed, and can prevent other mojos from properly
> accessing those files.
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