Ankur Singla created FELIX-6845:
-----------------------------------
Summary: NullPointerException in Log.serviceChanged() when
ServiceReference.getBundle() returns null
Key: FELIX-6845
URL: https://issues.apache.org/jira/browse/FELIX-6845
Project: Felix
Issue Type: Bug
Components: Log Service
Reporter: Ankur Singla
[https://github.com/apache/felix-dev/blob/master/log/src/main/java/org/apache/felix/log/Log.java#L326]
*Description:*
Log.serviceChanged() throws a NullPointerException when
ServiceReference.getBundle() returns null during service event processing.
Per the OSGi spec, ServiceReference.getBundle() returns null when the
registering bundle has already been unregistered. This is a known race
condition during service unregistration, but the Felix log layer does not guard
against it.
*Stack trace:*
{code:xml}
java.lang.NullPointerException: Cannot invoke
"org.osgi.framework.Bundle.getSymbolicName()"
because the return value of "org.osgi.framework.ServiceReference.getBundle()"
is null
at org.apache.felix.log.Log.serviceChanged(Log.java:326)
at
org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990)
at
org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838)
at
org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545)
{code}
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