JBoss ON not discovering JBoss AS/EAP due to getStartScriptIndex causing: String index out of range or ArrayIndexOutOfBoundsException

Issue

• The agent.log shows the below error:

  ERROR [ResourceDiscoveryComponent.invoker.daemon-2902] (rhq.modules.plugins.jbossas7.StandaloneASDiscovery)- Discovery of a JBossAS7 Standalone Server Resource failed for process: pid=[4747], name=[/etc/alternatives/jre/bin/java], ppid=[1].
  java.lang.StringIndexOutOfBoundsException: String index out of range: 0
      at java.lang.String.charAt(String.java:686)
      at org.rhq.core.pluginapi.util.ServerStartScriptDiscoveryUtility.getStartScriptIndex(ServerStartScriptDiscoveryUtility.java:295)
      at org.rhq.core.pluginapi.util.ServerStartScriptDiscoveryUtility.getStartScript(ServerStartScriptDiscoveryUtility.java:86)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.setStartScriptPluginConfigProps(BaseProcessDiscovery.java:251)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.buildResourceDetails(BaseProcessDiscovery.java:197)
      at org.rhq.modules.plugins.jbossas7.StandaloneASDiscovery.buildResourceDetails(StandaloneASDiscovery.java:84)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.discoverResources(BaseProcessDiscovery.java:136)
      at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:293)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
      at java.util.concurrent.FutureTask.run(FutureTask.java:138)
      at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      at java.lang.Thread.run(Thread.java:662)
  

• Not discovering JBoss Enterprise Application Platform (EAP) 5 Server Instances

• I am getting the below exception in the log during discovery:

  INFO  [InventoryManager.discovery-1] (rhq.core.pc.inventory.AutoDiscoveryExecutor)- Executing server discovery scan...
  WARN  [InventoryManager.discovery-1] (rhq.core.pc.inventory.InventoryManager)- Failure during discovery for [JBossAS Server] Resources - failed after 20 ms.
  java.lang.Exception: Discovery component invocation failed.
          at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:297)
          at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
          ...
  Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: 0
          at java.lang.String.charAt(String.java:686)
          at org.rhq.core.pluginapi.util.ServerStartScriptDiscoveryUtility.getStartScriptIndex(ServerStartScriptDiscoveryUtility.java:295)
          at org.rhq.core.pluginapi.util.ServerStartScriptDiscoveryUtility.getStartScript(ServerStartScriptDiscoveryUtility.java:86)
          at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.setStartScriptPluginConfigProps(ApplicationServerDiscoveryComponent.java:420)
          at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.createResourceDetails(ApplicationServerDiscoveryComponent.java:407)
          at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.discoverExternalJBossAsProcesses(ApplicationServerDiscoveryComponent.java:340)
          at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.discoverResources(ApplicationServerDiscoveryComponent.java:170)
          at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:293)
          ... 5 more
  

• JBoss Application Server (AS) can not be discovered due to java.lang.StringIndexOutOfBoundsException: String index out of range: 0 error.

• JBoss EAP not being added to the JBoss ON inventory

• The agent throws an ArrayIndexOutOfBoundException while discovering the JBoss AS host controller.

• Discovery of JBoss EAP server fails and the agent logs the following error:

  ERROR [ResourceDiscoveryComponent.invoker.daemon-1] (rhq.modules.plugins.jbossas7.HostControllerDiscovery)- Discovery of a JBossAS7 Host Controller Resource failed for process: pid=[1904], name=[java], ppid=[2496].
  java.lang.ArrayIndexOutOfBoundsException: 2
      at org.rhq.core.pluginapi.util.ServerStartScriptDiscoveryUtility.getStartScriptIndex(ServerStartScriptDiscoveryUtility.java:299)
      at org.rhq.core.pluginapi.util.ServerStartScriptDiscoveryUtility.getStartScript(ServerStartScriptDiscoveryUtility.java:86)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.setStartScriptPluginConfigProps(BaseProcessDiscovery.java:251)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.buildResourceDetails(BaseProcessDiscovery.java:197)
      at org.rhq.modules.plugins.jbossas7.BaseProcessDiscovery.discoverResources(BaseProcessDiscovery.java:136)
      at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:293)
      at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
      at java.util.concurrent.FutureTask.run(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)