JBoss ON fails to discover JBoss EAP 6 server when running domain mode and using a relative path to the --properties command-line argument

Issue

• Unable to discover JBoss Enterprise Application Platform (EAP) 6 server

• The agent log contains the following NullPointerException during the discovery scan:

  ERROR [ResourceDiscoveryComponent.invoker.daemon-1] (rhq.modules.plugins.jbossas7.HostControllerDiscovery)- Discovery of a JBossAS7 Host Controller Resource failed for process: pid=[8729], name=[/etc/alternatives/java_sdk/bin/java], ppid=[8712].
  java.lang.NullPointerException
      at org.rhq.modules.plugins.jbossas7.AS7CommandLine.getAbsoluteFile(AS7CommandLine.java:185)
      at org.rhq.modules.plugins.jbossas7.AS7CommandLine.toURL(AS7CommandLine.java:161)
      at org.rhq.modules.plugins.jbossas7.AS7CommandLine.processClassArgument(AS7CommandLine.java:132)
      at org.rhq.core.pluginapi.util.JavaCommandLine.parseClassArguments(JavaCommandLine.java:194)
      at org.rhq.core.pluginapi.util.JavaCommandLine.parseCommandLine(JavaCommandLine.java:159)
      at org.rhq.core.pluginapi.util.JavaCommandLine.<init>(JavaCommandLine.java:136)
      at org.rhq.modules.plugins.jbossas7.AS7CommandLine.<init>(AS7CommandLine.java:69)
      at org.rhq.modules.plugins.jbossas7.AS7CommandLine.<init>(AS7CommandLine.java:74)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.discoverResources(BaseProcessDiscovery.java:135)
      at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:616)
      at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:293)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
      at java.lang.Thread.run(Thread.java:636)