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From Benjamin Bentmann <benjamin.bentm...@udo.edu>
Subject Re: Build failed in Hudson: maven-3.0.x-bootstrap » 1.5,windows #957
Date Sun, 28 Feb 2010 21:18:20 GMT
Hi Kristian,

CI produced the following error several times now:

> See <http://grid.sonatype.org/ci/job/maven-3.0.x-bootstrap/./jdk=1.5,label=windows/957/>
> 
>      [java] Running org.apache.maven.model.interpolation.StringSearchModelInterpolatorTest
>      [java] Tests run: 27, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.72 sec
<<< FAILURE!
>      [java] testConcurrentInterpolation(org.apache.maven.model.interpolation.StringSearchModelInterpolatorTest)
 Time elapsed: 0.194 sec  <<< ERROR!
>      [java] java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException
>      [java] 	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:205)
>      [java] 	at java.util.concurrent.FutureTask.get(FutureTask.java:80)
>      [java] 	at org.apache.maven.model.interpolation.StringSearchModelInterpolatorTest.testConcurrentInterpolation(StringSearchModelInterpolatorTest.java:402)
>      [java] Caused by: java.lang.ArrayIndexOutOfBoundsException
>      [java] 	at java.lang.System.arraycopy(Native Method)
>      [java] 	at java.util.ArrayList.toArray(ArrayList.java:304)
>      [java] 	at java.util.ArrayList.<init>(ArrayList.java:136)
>      [java] 	at org.apache.maven.model.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.traverseObjectWithParents(StringSearchModelInterpolator.java:169)
>      [java] 	at org.apache.maven.model.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:117)
>      [java] 	at java.security.AccessController.doPrivileged(Native Method)
>      [java] 	at org.apache.maven.model.interpolation.StringSearchModelInterpolator.interpolateObject(StringSearchModelInterpolator.java:71)
>      [java] 	at org.apache.maven.model.interpolation.StringSearchModelInterpolatorTest$1.call(StringSearchModelInterpolatorTest.java:392)
>      [java] 	at org.apache.maven.model.interpolation.StringSearchModelInterpolatorTest$1.call(StringSearchModelInterpolatorTest.java:389)
>      [java] 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
>      [java] 	at java.util.concurrent.FutureTask.run(FutureTask.java:123)
>      [java] 	at java.lang.Thread.run(Thread.java:595)

before we extend the amount of synchronization, I would like to 
understand the motivation for this test. testConcurrentInterpolation 
runs the interpolator concurrently on the same model and spontaneously I 
failed to see how this usage pattern maps to any real code paths inside 
Maven. Can you elaborate more on the scenario you wanted to capture with 
this test?


Benjamin

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