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https://issues.apache.org/jira/browse/ARIES-851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280847#comment-13280847
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Andreas Pieber commented on ARIES-851:
--------------------------------------
I get nagged on by exactly the same problem. I can confirm that both of the
attached patches fix the problem for me (although I think solution2 is the way
to go). Can any commiter pls give this problem a shot? Maybe before the 1.0.0
release? :-)
many thanks in advance and kind regards
> BundleTrackerCustomizer in BundleHookBundleTracker is called multiple times
> for the same event.
> -----------------------------------------------------------------------------------------------
>
> Key: ARIES-851
> URL: https://issues.apache.org/jira/browse/ARIES-851
> Project: Aries
> Issue Type: Bug
> Components: JPA, Util
> Environment: Linux-3.0.0, Karaf-3.0.0-SNAPSHOT with Felix, openjdk-6
> Reporter: Christoph Gritschenberger
> Attachments: ARIES-851-stacktrace.TXT,
> BundleHookBundleTracker-solution1.patch,
> BundleHookBundleTracker-solution2.patch, jpa-test-bundle-src.zip,
> persistence-feature.xml, test.jpa.bundle-0.1.0-SNAPSHOT.jar
>
>
> Steps to reproduce
> * Compile or get a karaf-3.0.0-SNAPSHOT and unpack it
> * Install openjpa-2.2.0 (using the attached feature-file)
> * Deploy a bundle containing a persistence-unit (attached jar for example)
> get the following Exception 4 times:
> {code}
> ERROR: Bundle org.apache.aries.jpa.container [78] EventDispatcher: Error
> during dispatch. (java.lang.IllegalStateException: Unable to create
> persistence units for the bundle test.jpa.test.jpa.bundle/0.1.0.SNAPSHOT as
> previous persistence units already exist.)
> java.lang.IllegalStateException: Unable to create persistence units for the
> bundle test.jpa.test.jpa.bundle/0.1.0.SNAPSHOT as previous persistence units
> already exist.
> {code}
> See attachment for full stacktrace
> In subsequent startups the Exception is still thrown but the stacktrace does
> not show in the console or the log.
> Also when using equinox the Stacktrace does not appear in either the console
> or the log ever, but it's still thrown.
> The problem is that the PersistenceBundleManager#addingBundle is called
> multiple times for the newly installed bundle.
> The PersistenceBundleManager is passed as a BundleTrackerCustomizer to a
> BundleHookBundleTracker.
> The BundleHookBundleTracker stores it in it's own private attribute and also
> passes it to it's super-constructor.
> So the customizer is stored in the instance twice.
> It's called by both BundleTracker$Tracked.customizerAdding and
> BundleHookBundleTracker$Tracked.customizerAdding.
> Both "Tracked" recognize the bundle as untracked and call the
> addingBundle-method.
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