Intermittent NPE in ConfigurationManager
----------------------------------------
Key: FELIX-3390
URL: https://issues.apache.org/jira/browse/FELIX-3390
Project: Felix
Issue Type: Bug
Components: Configuration Admin
Affects Versions: configadmin-1.2.8
Reporter: Marcel Offermans
We are using Configuration Admin in our open source project, where we get the
following exception in our integration tests:
{code}
*ERROR* Unexpected problem executing task
java.lang.NullPointerException: reference and pid must not be null
at
org.osgi.service.cm.ConfigurationEvent.<init>(ConfigurationEvent.java:120)
at
org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:1818)
at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:104)
at java.lang.Thread.run(Thread.java:662)
{code}
I'm not quite sure what is going on, and the NPE does not occur every time, but
it does seem to keep happening often enough to warrant a bug report as the code
that is being executed is not directly invoked by the test. For more
background, look at (for example) this log:
http://bamboo.amdatu.org/bamboo/browse/AMDATUPLATFORM-AMDATUGIT-JOB1-74/log
At least some null checks would be in order, plus maybe a better log message
that tells us which of the two actually was null (I know this is an OSGi class
that's doing the reporting, but we could check ourselves before invoking its
constructor).
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