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Date: Wed, 18 Feb 2009 05:51:01 -0800 (PST)
From: "Thomas Mueller (JIRA)" <jira@apache.org>
To: dev@jackrabbit.apache.org
Subject: [jira] Commented: (JCR-1985) NullPointerException
 GarbageCollector.scan()
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    [ https://issues.apache.org/jira/browse/JCR-1985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12674619#action_12674619 ] 

Thomas Mueller commented on JCR-1985:
-------------------------------------

Hi,

Did you configure a data store? How does the repository.xml look like? Do you have any elements in the data store?

Regards,
Thomas

> NullPointerException GarbageCollector.scan()
> --------------------------------------------
>
>                 Key: JCR-1985
>                 URL: https://issues.apache.org/jira/browse/JCR-1985
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-core
>    Affects Versions: 1.5.2
>         Environment: Windows XP
>            Reporter: Jacco van Weert
>             Fix For: 1.5.3
>
>
> I am running the garbage collector in a separate thread every 5 minutes.
>             GarbageCollector gc = ((SessionImpl)mSession).createDataStoreGarbageCollector();
>             gc.scan();
>             gc.stopScan();
>             int du = gc.deleteUnused();
> When using Jackrabbit v1.5.2 I get sometimes a null pointer exception;
> java.lang.NullPointerException
>         at org.apache.jackrabbit.core.data.GarbageCollector.scan(GarbageCollector.java:153)

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