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From "Bram de Kruijff (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (ACE-257) NPE in VelocityArtifactPreprocessor
Date Mon, 27 May 2013 07:40:24 GMT

     [ https://issues.apache.org/jira/browse/ACE-257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bram de Kruijff reopened ACE-257:
---------------------------------

    
> NPE in VelocityArtifactPreprocessor
> -----------------------------------
>
>                 Key: ACE-257
>                 URL: https://issues.apache.org/jira/browse/ACE-257
>             Project: ACE
>          Issue Type: Bug
>            Reporter: J.W. Janssen
>
> In some situations a NPE is thrown from the VelocityArtifactPreprocessor, like:
> java.lang.NullPointerException
>     at java.security.MessageDigest.update(MessageDigest.java:293)
>     at java.security.MessageDigest.digest(MessageDigest.java:368)
>     at org.apache.ace.client.repository.helper.base.VelocityArtifactPreprocessor.hash(VelocityArtifactPreprocessor.java:313)
>     at org.apache.ace.client.repository.helper.base.VelocityArtifactPreprocessor.getHashForVersion(VelocityArtifactPreprocessor.java:193)
>     at org.apache.ace.client.repository.helper.base.VelocityArtifactPreprocessor.needsNewVersion(VelocityArtifactPreprocessor.java:99)
>     at org.apache.ace.client.repository.impl.ArtifactRepositoryImpl.needsNewVersion(ArtifactRepositoryImpl.java:516)
>     at org.apache.ace.client.repository.stateful.impl.StatefulTargetRepositoryImpl.needsNewVersion(StatefulTargetRepositoryImpl.java:756)
>     at org.apache.ace.client.repository.stateful.impl.StatefulTargetObjectImpl.determineStoreState(StatefulTargetObjectImpl.java:274)
>     at org.apache.ace.client.repository.stateful.impl.StatefulTargetObjectImpl.determineStatus(StatefulTargetObjectImpl.java:223)
>     at org.apache.ace.client.repository.stateful.impl.StatefulTargetRepositoryImpl.handleEvent(StatefulTargetRepositoryImpl.java:749)
>     at org.apache.felix.eventadmin.impl.tasks.HandlerTaskImpl.execute(HandlerTaskImpl.java:87)
>     at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks$1.run(SyncDeliverTasks.java:234)
>     at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
>     at java.lang.Thread.run(Thread.java:680)
> The exact causes are not entirely known yet...

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