Rob Ryan created FELIX-4883:
-------------------------------
Summary: ServiceComponentRuntime.getComponentConfigurationDTOs
NullPointerException
Key: FELIX-4883
URL: https://issues.apache.org/jira/browse/FELIX-4883
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Environment: Linux, Sling, Adobe CQ, org.apache.felix.scr version
1.8.3-R1658944
Reporter: Rob Ryan
In our test automation we install a large set of bundles after our also large
'main' app starts up. This causes significant churn as bundles and components
are stopped and potentially new versions are started. Unfortunately the coded
involved is not open source, so I cannot deliver the full data required to
reproduce the failure described here.
What I can share is that after all this churn of bundles and components being
stopped and started the ScrComponentRuntime service starts to fail with a
NullPointerException in getComponentConfigurationDTOs. This was initially
noticed as an NPE being reported when visiting the felix console at
/system/console/components.
The stack at the point of failure is:
java.lang.NullPointerException
at
org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.serviceReferenceToDTO(ServiceComponentRuntimeImpl.java:205)
at
org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.satisfiedRefManagersToDTO(ServiceComponentRuntimeImpl.java:169)
at
org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.managerToConfiguration(ServiceComponentRuntimeImpl.java:145)
at
org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.getComponentConfigurationDTOs(ServiceComponentRuntimeImpl.java:119)
at com.robr.incqtest.test.ScrTest.test(ScrTest.java:37)
...
The NPE occurs because a
org.apache.felix.framework.ServiceRegistrationImpl.ServiceReferenceImpl being
processed in
org.apache.felix.scr.impl.runtime.ServiceComponentRuntimeImpl.serviceReferenceToDTO(org.osgi.framework.ServiceReference<?>)
line: 205
has a m_svcObj of null. So even though the bundle is actually available in the
object the getBundle() method returns null.
[~cziegeler] [~bosschaert] I can investigate further to ideally narrow this
down further, but any pointers would be much appreciated.
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