[esb-issues] [JBoss JIRA] Closed: (JBESB-2976) Null pointer exception in JOPR plugin (plus fix?)

[Kevin Conner (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBESB-2976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Conner closed JBESB-2976.
-------------------------------

    Resolution: Done


Updated in revision 30128.

> Null pointer exception in JOPR plugin (plus fix?)
> -------------------------------------------------
>
>                 Key: JBESB-2976
>                 URL: https://jira.jboss.org/jira/browse/JBESB-2976
>             Project: JBoss ESB
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Management
>    Affects Versions: 4.6
>            Reporter: Kevin Conner
>            Assignee: Kevin Conner
>             Fix For: 4.7
>
>
> Hi,
> I deployed the BPM orchestration 2 quickstart and then went to:
>   JBoss ESB Statistics
>    JBoss ESB Deployments
>     Quickstart_bpm_orchestration2.esb JBoss ESB Statistics
>      JBoss ESB Services
>       ResultsService Service
>        JBoss ESB Listeners
>         ESB-Listener - BPM_Orchestration2_Service1 Listener Configuration
> in the admin console.  I saw:
>   15:58:15,811 ERROR [MeasurementManager] Could not get measurement values
>   java.lang.NullPointerException
> 	at org.jbosson.plugins.jbossesb.ListenerComponent.getValues(ListenerComponent.java:64)
> Is the attached the correct fix (it hides the exception and is similar to the
> other clauses)?
> Thanks,
> J
> Index: product/tools/jonplugin/src/main/java/org/jbosson/plugins/jbossesb/ListenerComponent.java
> ===================================================================
> --- product/tools/jonplugin/src/main/java/org/jbosson/plugins/jbossesb/ListenerComponent.java	(revision 30085)
> +++ product/tools/jonplugin/src/main/java/org/jbosson/plugins/jbossesb/ListenerComponent.java	(working copy)
> @@ -61,8 +61,10 @@
>          	String metricName = request.getName();
>          	if (metricName.equals(MEP)) {
>          		EmsAttribute attribute = getEmsBean().getAttribute(MEP);
> -        		String processed = (String) attribute.refresh();
> -        		report.addData(new MeasurementDataTrait(request, processed));
> +        		if (attribute != null) {
> +        			String processed = (String) attribute.refresh();
> +        			report.addData(new MeasurementDataTrait(request, processed));
> +        		}
>          	} else if (metricName.equals(LIFECYCLE_STATE)) {
>          		EmsAttribute attribute = getEmsBean().getAttribute(LIFECYCLE_STATE);
>          		String processed = new String();

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