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https://issues.apache.org/jira/browse/FELIX-4909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562428#comment-14562428
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Carsten Ziegeler commented on FELIX-4909:
-----------------------------------------
[~fabianlange] I suggest you try the latest SCR implementation from trunk.
We've seen some race conditions with 1.8.2 as well and they are all fixed in
trunk
> NullPointer in Apache Karaf Felix ConfigAdmin/Fileinstall
> ---------------------------------------------------------
>
> Key: FELIX-4909
> URL: https://issues.apache.org/jira/browse/FELIX-4909
> Project: Felix
> Issue Type: Bug
> Reporter: Fabian Lange
>
> {code}
> 2015-05-27 12:51:54,177 | INFO | karaf/etc | fileinstall
> | 4 - org.apache.felix.fileinstall - 3.4.3.SNAPSHOT | Creating configuration
> from de.codecentric.TestService.cfg
> 2015-05-27 12:51:54,180 | ERROR | d5-abb8e2453597) | configadmin
> | 3 - org.apache.felix.configadmin - 1.8.0 | Unexpected problem
> delivering configuration event to [org.osgi.service.cm.ConfigurationListener,
> id=48, bundle=14/mvn:org.apache.felix/org.apache.felix.scr/1.8.2]
> java.lang.NullPointerException
> at
> org.apache.felix.scr.impl.config.ConfigurationSupport.configurationEvent(ConfigurationSupport.java:283)[14:org.apache.felix.scr:1.8.2]
> at
> org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.sendEvent(ConfigurationManager.java:2032)[3:org.apache.felix.configadmin:1.8.0]
> at
> org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:2002)[3:org.apache.felix.configadmin:1.8.0]
> at
> org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:103)[3:org.apache.felix.configadmin:1.8.0]
> at java.lang.Thread.run(Thread.java:745)[:1.8.0_45]
> {code}
> As you can see, the fileinstall discovered a new config file 3 ms before the
> npe happened. The config file was created 2 seconds before that.
> This is coming from karaf 4M2, so this is fileinstall 3.4.3.SNAPSHOT and scr
> 1.8.2
> Somehow this looks like a race condition to me.
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