Thomas Watson created FELIX-6055:
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Summary: NullPointerException possible because
ServiceReference.getBundle() can return null
Key: FELIX-6055
URL: https://issues.apache.org/jira/browse/FELIX-6055
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Affects Versions: scr-2.1.14
Reporter: Thomas Watson
There are a couple of places in the SCR code where it gets the bundle object
from ServiceReference.getBundle(). Unfortunately this method can return null
when a service becomes unregistered. This can lead to FrameworkEvent errors
with NPEs that look like the following:
{code}
FrameworkEvent ERROR java.lang.NullPointerException
at
org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.serviceChanged(ServiceComponentRuntimeImpl.java:491)
at
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:112)
at
org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:923)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:233)
at
org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:865)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804)
at
org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.setProperties(ServiceRegistrationImpl.java:171)
{code}
We should protect against such cases.
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