[embjopr-issues] [JBoss JIRA] Created: (EMBJOPR-114) AS5 plugin: The "List All Subscriptions" operation for a Topic fails due to a NullPointerException

[Farah Juma (JIRA)]

AS5 plugin: The "List All Subscriptions" operation for a Topic fails due to a NullPointerException
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                 Key: EMBJOPR-114
                 URL: https://jira.jboss.org/jira/browse/EMBJOPR-114
             Project: Embedded Jopr
          Issue Type: Bug
          Components: Web App/Integration
         Environment: JBoss AS Branch_5_x r86203, embjopr r251
            Reporter: Farah Juma
             Fix For: 1.2
         Attachments: ListAllSubscriptions.png

Steps to reproduce:

Navigate to the "Control" page for a Topic. Click on the "List All Subscriptions" button. The operations history table shows that the operation failed. Click on the "Show/Hide Details" link. The following error message gets displayed, as seen in the attached screenshot:

java.lang.NullPointerException
	at org.rhq.plugins.jbossas5.util.ConversionUtils.instanceOf(ConversionUtils.java:438)
	at org.rhq.plugins.jbossas5.util.ConversionUtils.convertManagedOperationResults(ConversionUtils.java:427)
	at org.rhq.plugins.jbossas5.ManagedComponentComponent.invokeOperation(ManagedComponentComponent.java:136)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:449)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
	at java.util.concurrent.FutureTask.run(FutureTask.java:123)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
	at java.lang.Thread.run(Thread.java:595)


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