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From Clement Escoffier <clement.escoff...@gmail.com>
Subject Re: [iPOJO] ConcurrentModificationException when deploying multiple pages
Date Wed, 19 Sep 2012 12:17:26 GMT

Do you know which version of iPOJO he's using ? 
I think we fixed this bug already. 



On 19 sept. 2012, at 13:55, Varun Mitra <vmitra@adobe.com> wrote:

> A customer is  installing a package that restarts various other bundles, one of these
being the iPOJO framework so that it can pick up all of the iPOJO's that have been created.
The problem comes when deploying multiple CQ5 pages. There appears to be some Threading issue
with the OSGI framework causing the below exception in the logs, the end result the OSGI framework
is left with some bundles not being started correctly.
> The exception we see in the logs is: -
> 31.07.2012 14:54:10.281 *ERROR* [FelixDispatchQueue] org.apache.felix.ipojo FrameworkEvent
ERROR (java.util.ConcurrentModificationException) java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> at java.util.HashMap$KeyIterator.next(HashMap.java:828)
> at org.apache.felix.ipojo.InstanceCreator.removeInstancesFromBundle(InstanceCreator.java:117)
> at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:147)
> at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
> ...
> Customer has an automated build and deploy landscape using ANT/IVY as the build/dependency
management tool.
> As per the logs[1], it can be seen that one thread is trying to register the iPOJO component
while another is unregistering it.
> Is there a way for having a thread safe mechanism for installing a package and waiting
for the OSGI bundles to be restarted?
> [1]
> 31.07.2012 13:12:31.312 *INFO* [OsgiInstallerImpl] org.apache.felix.ipojo Service [3067]
> 31.07.2012 13:12:31.315 *INFO* [Thread-1901] org.apache.felix.ipojo Service [3184] ServiceEvent
> 31.07.2012 13:12:31.335 *INFO* [OsgiInstallerImpl] com.sap.components.contactcta Service
[com.sap.cta.configuration,3066] ServiceEvent UNREGISTERING
> 31.07.2012 13:12:31.335 *ERROR* [FelixDispatchQueue] org.apache.felix.ipojo FrameworkEvent
ERROR (java.util.ConcurrentModificationException) java.util.ConcurrentModificationException
> Varun mitra| Technical Support Engineer| adobe systems inc.

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