I followed this wiki page
https://docs.jbosson.redhat.com/confluence/display/JON2/Applying+JBoss+Patches to apply the cumulative patch EAP4.3.0.GA_CP01. The JON agent always complains this error :
2009-01-06 13:33:32,057 ERROR [ResourceContainer.invoker.nonDaemon-2] (org.rhq.plugins.jbossas.JBossASServerComponent) - Error deploying package: PackageDetails[Key=PackageDetailsKey[Name=JBoss EAP 4.3.0.GA_CP01, Version=4.3.0.GA_CP01 Arch=noarch Type=cumulativePatch]] java.lang.NullPointerException at org.rhq.plugins.jbossas.JBossASServerComponent.deployPackages(JBossASServerComponent.java:385) 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$ComponentInvocationThread.call(ResourceContainer.java:450) at java.util.concurrent.FutureTask$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)