Why JConsole cannot connect to JBoss EAP 6 when using a port offset ?
Issue
- Why JBoss fails to connect JBoss EAP 6 using the script
jconsole.bat:
Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: Error connecting to JBoss AS.
at org.jboss.as.cli.gui.JConsoleCLIPlugin.getTabs(JConsoleCLIPlugin.java:80)
at sun.tools.jconsole.VMPanel.createPluginTabs(VMPanel.java:641)
at sun.tools.jconsole.VMPanel.propertyChange(VMPanel.java:315)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
at javax.swing.event.SwingPropertyChangeSupport.firePropertyChange(SwingPropertyChangeSupport.java:75)
at javax.swing.event.SwingPropertyChangeSupport$1.run(SwingPropertyChangeSupport.java:80)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
at java.awt.EventQueue.access$000(EventQueue.java:84)
at java.awt.EventQueue$1.run(EventQueue.java:602)
at java.awt.EventQueue$1.run(EventQueue.java:600)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.NullPointerException
at org.jboss.as.cli.gui.JConsoleCLIPlugin.connectCommandContext(JConsoleCLIPlugin.java:109)
at org.jboss.as.cli.gui.JConsoleCLIPlugin.getTabs(JConsoleCLIPlugin.java:77)
... 19 more
- JConsole displays the above error when connecting to a
Local Processwhen using aport-offset. - JConsole displays the above error when connecting directly to a JBoss EAP JVM in
domain modeas aLocal Process.
Environment
- RedHat JBoss Enterprise Application Platform (EAP)
- 6.0.x
- 6.1.x
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