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From: "Carsten Pfeiffer (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (IVY-1454) OverlappingFileLockException when using
 artifact-lock-nio
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     [ https://issues.apache.org/jira/browse/IVY-1454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Pfeiffer updated IVY-1454:
----------------------------------

    Attachment: test--IVY-1454.zip

This is a testproject that reproduces the error. It's just a {{&lt;parallel&gt;}} task with multiple {{&lt;ivy:resolve&gt;}} tasks being called.

Just run the supplied build.xml.

> OverlappingFileLockException when using artifact-lock-nio
> ---------------------------------------------------------
>
>                 Key: IVY-1454
>                 URL: https://issues.apache.org/jira/browse/IVY-1454
>             Project: Ivy
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.4.0
>         Environment: Debian Linux (Wheezy)
> Oracle Java 1.7.0+update45,
> ivy_2.4.0.alpha_20131214174343.jar downloaded from https://builds.apache.org/job/Ivy/446/
>            Reporter: Carsten Pfeiffer
>            Assignee: Charles Duffy
>            Priority: Minor
>         Attachments: test--IVY-1454.zip
>
>
> When trying to use {{artifact-lock-nio}} as the lock strategy, I get resolve errors due to {{OverlappingFileLockException}} being thrown:
> {code}
> [ivy:resolve] WARN: 	:: org.hamcrest#hamcrest-core;1.1: java.nio.channels.OverlappingFileLockException at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
> [ivy:resolve] WARN: 	:: org.glassfish#javax.ejb;3.1: java.nio.channels.OverlappingFileLockException at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
> [ivy:resolve] WARN: 	:: org.jboss.weld.se#weld-se-core;1.1.10.Final: java.nio.channels.OverlappingFileLockException at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
> {code}
> The reason is probably related to our use of the {{&lt;parallel&gt;}} and {{&lt;antcallback&gt;}} tasks. The documentation of the {{antcallback}} task is here: http://ant-contrib.sourceforge.net/tasks/tasks/antcallback_task.html
> {code}
> <parallel threadcount="${tests.maxThreads}">
> 	<antcallback target="testsomething" return="tests.failed"/>
> 	<antcallback target="testsomeother" return="tests.failed"/>
> 	<antcallback target="testsomemore" return="tests.failed"/>
> </parallel>
> {code}
> All the testxxx targets perform a resolve before running some junit tests in a separate vm. These resolve calls appear to cause the {{OverlappingFileLockException}}.



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