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https://issues.apache.org/jira/browse/FELIX-527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587244#action_12587244
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Patrick Forhan commented on FELIX-527:
--------------------------------------
Just for fun, here are the stack traces of interest, caused by (in this case)
an artificial NPE. Captured with SCR-0.9.0-SNAPSHOT:
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.apache.felix.scr.DependencyManager.invokeBindMethod(DependencyManager.java:750)
at
org.apache.felix.scr.DependencyManager.bind(DependencyManager.java:537)
at
org.apache.felix.scr.ImmediateComponentManager.createImplementationObject(ImmediateComponentManager.java:151)
at
org.apache.felix.scr.ImmediateComponentManager.createComponent(ImmediateComponentManager.java:81)
at
org.apache.felix.scr.AbstractComponentManager.activateInternal(AbstractComponentManager.java:344)
at
org.apache.felix.scr.AbstractComponentManager.enableInternal(AbstractComponentManager.java:279)
at
org.apache.felix.scr.AbstractComponentManager.access$000(AbstractComponentManager.java:42)
at
org.apache.felix.scr.AbstractComponentManager$1.run(AbstractComponentManager.java:123)
at
org.apache.felix.scr.ComponentActorThread.run(ComponentActorThread.java:85)
Caused by: java.lang.NullPointerException
at
org.bjc.provisioner.deviceregistration.RegistrationImpl.retrieveConfig(RegistrationImpl.java:206)
at
org.bjc.provisioner.deviceregistration.RegistrationImpl.startRegistration(RegistrationImpl.java:214)
at
org.bjc.provisioner.deviceregistration.RegistrationImpl.setRepoAdmin(RegistrationImpl.java:92)
... 13 more
2008-04-09 10:45:49,406 [SCR Component Actor] ERROR [undefined] -
[org.bjc.provisioner.deviceregistration.RegistrationImpl] Failed enabling
Component
java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.createEvent(PaxLoggingServiceImpl.java:175)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:140)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:76)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:66)
at
org.apache.felix.scr.BundleComponentActivator.log(BundleComponentActivator.java:509)
at
org.apache.felix.scr.DependencyManager.invokeBindMethod(DependencyManager.java:771)
at
org.apache.felix.scr.DependencyManager.bind(DependencyManager.java:537)
at
org.apache.felix.scr.ImmediateComponentManager.createImplementationObject(ImmediateComponentManager.java:151)
at
org.apache.felix.scr.ImmediateComponentManager.createComponent(ImmediateComponentManager.java:81)
at
org.apache.felix.scr.AbstractComponentManager.activateInternal(AbstractComponentManager.java:344)
at
org.apache.felix.scr.AbstractComponentManager.enableInternal(AbstractComponentManager.java:279)
at
org.apache.felix.scr.AbstractComponentManager.access$000(AbstractComponentManager.java:42)
at
org.apache.felix.scr.AbstractComponentManager$1.run(AbstractComponentManager.java:123)
at
org.apache.felix.scr.ComponentActorThread.run(ComponentActorThread.java:85)
2008-04-09 10:45:49,421 [SCR Component Actor] ERROR [undefined] - Unexpected
problem executing task
java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.createEvent(PaxLoggingServiceImpl.java:175)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:140)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:76)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:66)
at
org.apache.felix.scr.BundleComponentActivator.log(BundleComponentActivator.java:509)
at
org.apache.felix.scr.AbstractComponentManager.enableInternal(AbstractComponentManager.java:283)
at
org.apache.felix.scr.AbstractComponentManager.access$000(AbstractComponentManager.java:42)
at
org.apache.felix.scr.AbstractComponentManager$1.run(AbstractComponentManager.java:123)
at
org.apache.felix.scr.ComponentActorThread.run(ComponentActorThread.java:85)
Exception in thread "SCR Component Actor" java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.createEvent(PaxLoggingServiceImpl.java:175)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:140)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:76)
at
org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:66)
at org.apache.felix.scr.Activator.log(Activator.java:455)
at
org.apache.felix.scr.ComponentActorThread.run(ComponentActorThread.java:89)
> Improve Error Reporting during binding
> --------------------------------------
>
> Key: FELIX-527
> URL: https://issues.apache.org/jira/browse/FELIX-527
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services
> Affects Versions: felix-1.0.0
> Environment: org.apache.felix.scr-0.9.0-SNAPSHOT
> org.apache.felix.scr-1.0.0
> pax-logging-0.9.6
> Reporter: Patrick Forhan
>
> [cross-reported to pax-logging jira as
> http://issues.ops4j.org/jira/browse/PAXLOGGING-25 ]
> If a service throws an exception during binding, the following is the only
> stack trace reported. The original context is lost:
> Exception in thread "SCR Component Actor" java.lang.NullPointerException
> at java.util.Hashtable.put(Unknown Source)
> at
> org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.createEvent(PaxLoggingServiceImpl.java:175)
> at
> org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:140)
> at
> org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:76)
> at
> org.ops4j.pax.logging.internal.PaxLoggingServiceImpl.log(PaxLoggingServiceImpl.java:66)
> at org.apache.felix.scr.Activator.log(Activator.java:455)
> at
> org.apache.felix.scr.ComponentActorThread.run(ComponentActorThread.java:89)
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