Issue

Unable to monitor JBoss EAP 5.1 in JON 2.4 due to the following errors in agent.log:

ERROR [ResourceDiscoveryComponent.invoker.daemon-3] (org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent)- Failed to process JBoss AS command line: [/opt/java/jdk6/bin/java, -Dprogram.name=run.sh, -server, -Xss512k, -Xms2048m, -Xmx6144m, -XX:MaxPermSize=512m, -XX:+UseConcMarkSweepGC, -XX:+UseParNewGC, -Dorg.jboss.resolver.warning=true, -Dsun.rmi.dgc.client.gcInterval=3600000, -Dsun.rmi.dgc.server.gcInterval=3600000, -Dsun.lang.ClassLoader.allowArraySyntax=true, -Djava.awt.headless=true, ...]
java.lang.NullPointerException
    at org.rhq.plugins.jbossas5.helper.JBossInstallationInfo.getVersion(JBossInstallationInfo.java:120)
    at org.rhq.plugins.jbossas5.helper.JBossInstallationInfo.<init>(JBossInstallationInfo.java:61)
    at org.rhq.plugins.jbossas5.helper.JBossInstanceInfo.finalizeSysProps(JBossInstanceInfo.java:287)
    at org.rhq.plugins.jbossas5.helper.JBossInstanceInfo.<init>(JBossInstanceInfo.java:90)
    at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.discoverExternalJBossAsProcesses(ApplicationServerDiscoveryComponent.java:267)
    at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.discoverResources(ApplicationServerDiscoveryComponent.java:170)
...

ERROR [ResourceDiscoveryComponent.invoker.daemon-3] (org.rhq.plugins.jbossas.JBossASDiscoveryComponent)- Failed to process JBoss AS command line: [/opt/java/jdk6/bin/java, -Dprogram.name=run.sh, -server, -Xss512k, -Xms2048m, -Xmx6144m, -XX:MaxPermSize=512m, -XX:+UseConcMarkSweepGC, -XX:+UseParNewGC, -Dorg.jboss.resolver.warning=true, -Dsun.rmi.dgc.client.gcInterval=3600000, -Dsun.rmi.dgc.server.gcInterval=3600000, -Dsun.lang.ClassLoader.allowArraySyntax=true, -Djava.awt.headless=true, ...]
java.lang.IllegalStateException: 'Implementation-Version' MANIFEST.MF attribute not found.
    at org.rhq.plugins.jbossas.helper.JBossInstallationInfo.getVersion(JBossInstallationInfo.java:108)
    at org.rhq.plugins.jbossas.helper.JBossInstallationInfo.<init>(JBossInstallationInfo.java:59)
    at org.rhq.plugins.jbossas.helper.JBossInstanceInfo.finalizeSysProps(JBossInstanceInfo.java:281)
    at org.rhq.plugins.jbossas.helper.JBossInstanceInfo.<init>(JBossInstanceInfo.java:86)
...