Issue

• JBoss ON install fails with "Exit value: 2"
• Install of JBoss ON results in "Could not connect to remote://127.0.0.1:9999. The connection timed out" error
• JBoss ON install fails with "Cannot obtain client connection to the RHQ app server"
• installer reports errors similar to:

07:38:27,824 ERROR [org.rhq.enterprise.server.installer.Installer] The installer will now exit due to previous errors: java.lang.Exception: Cannot obtain client connection to the RHQ app server!!
    at org.rhq.enterprise.server.installer.InstallerServiceImpl.testModelControllerClient(InstallerServiceImpl.java:1101) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at org.rhq.enterprise.server.installer.InstallerServiceImpl.preInstall(InstallerServiceImpl.java:217) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at org.rhq.enterprise.server.installer.InstallerServiceImpl.test(InstallerServiceImpl.java:142) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at org.rhq.enterprise.server.installer.Installer.doInstall(Installer.java:90) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at org.rhq.enterprise.server.installer.Installer.main(Installer.java:57) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_28]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.6.0_28]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.6.0_28]
    at java.lang.reflect.Method.invoke(Method.java:622) [rt.jar:1.6.0_28]
    at org.jboss.modules.Module.run(Module.java:270) [jboss-modules.jar:1.2.2.Final-redhat-1]
    at org.jboss.modules.Main.main(Main.java:411) [jboss-modules.jar:1.2.2.Final-redhat-1]
Caused by: java.io.IOException: java.net.ConnectException: JBAS012144: Could not connect to remote://127.0.0.1:9999. The connection timed out
    at org.jboss.as.controller.client.impl.AbstractModelControllerClient.executeForResult(AbstractModelControllerClient.java:129) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.controller.client.impl.AbstractModelControllerClient.execute(AbstractModelControllerClient.java:81) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.rhq.common.jbossas.client.controller.JBossASClient.execute(JBossASClient.java:270) [rhq-jboss-as-dmr-client-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at org.rhq.common.jbossas.client.controller.CoreJBossASClient.getSystemProperties(CoreJBossASClient.java:103) [rhq-jboss-as-dmr-client-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    at org.rhq.enterprise.server.installer.InstallerServiceImpl.testModelControllerClient(InstallerServiceImpl.java:1052) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
    ... 10 more
Caused by: java.net.ConnectException: JBAS012144: Could not connect to remote://127.0.0.1:9999. The connection timed out
    at org.jboss.as.protocol.ProtocolConnectionUtils.connectSync(ProtocolConnectionUtils.java:131) [jboss-as-protocol-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.protocol.ProtocolConnectionManager$EstablishingConnection.connect(ProtocolConnectionManager.java:256) [jboss-as-protocol-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.protocol.ProtocolConnectionManager.connect(ProtocolConnectionManager.java:70) [jboss-as-protocol-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.protocol.mgmt.FutureManagementChannel$Establishing.getChannel(FutureManagementChannel.java:176) [jboss-as-protocol-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.controller.client.impl.RemotingModelControllerClient.getOrCreateChannel(RemotingModelControllerClient.java:144) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.controller.client.impl.RemotingModelControllerClient$1.getChannel(RemotingModelControllerClient.java:65) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.protocol.mgmt.ManagementChannelHandler.executeRequest(ManagementChannelHandler.java:115) [jboss-as-protocol-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.protocol.mgmt.ManagementChannelHandler.executeRequest(ManagementChannelHandler.java:90) [jboss-as-protocol-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.controller.client.impl.AbstractModelControllerClient.executeRequest(AbstractModelControllerClient.java:236) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.controller.client.impl.AbstractModelControllerClient.execute(AbstractModelControllerClient.java:141) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    at org.jboss.as.controller.client.impl.AbstractModelControllerClient.executeForResult(AbstractModelControllerClient.java:127) [jboss-as-controller-client-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
    ... 14 more

• Install process returns error similar to:

07:38:27,850 ERROR [org.rhq.server.control.command.Install] An error occurred while starting the RHQ server: Process exited with an error: 2 (Exit value: 2)
Trying to stop the RHQ Server...
RHQ Server (pid=23923) is stopping...
RHQ Server has stopped.
Stopping RHQ storage node...
RHQ storage node (pid=23772) is stopping...
RHQ storage node has stopped
07:38:33,916 ERROR [org.rhq.server.control.RHQControl] Process exited with an error: 2 (Exit value: 2)