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Thread: Jconsole stopped reporting cocurrent clients and cannot discard graph

  1. #1
    Join Date
    Nov 2010
    Posts
    13

    Default Jconsole stopped reporting cocurrent clients and cannot discard graph

    this is the error(?) i get:

    Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
    at sun.tools.jconsole.inspector.XPlottingViewer.actionPerformed(XPlottingViewer.java:115)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
    at java.awt.Component.processMouseEvent(Component.java:6267)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
    at java.awt.Component.processEvent(Component.java:6032)
    at java.awt.Container.processEvent(Container.java:2041)
    at java.awt.Component.dispatchEventImpl(Component.java:4630)
    at java.awt.Container.dispatchEventImpl(Container.java:2099)
    at java.awt.Component.dispatchEvent(Component.java:4460)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
    at java.awt.Container.dispatchEventImpl(Container.java:2085)
    at java.awt.Window.dispatchEventImpl(Window.java:2478)
    at java.awt.Component.dispatchEvent(Component.java:4460)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
    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)

  2. #2

    Default

    This looks like a JConsole problem. I guess be sure yoiu are running the one that comes with the latest Oracle Java JDK.

    Charlie

  3. #3
    Join Date
    Nov 2010
    Posts
    13

    Default yep - the latest as far as i know

    this is the jconsole info:

    JConsole version: 1.6.0_22-b04
    Java VM version: Java HotSpot(TM) Client VM, 17.1-b03

    actually - i don't need it since i found a better way for what i need the CHECK_JMX querying script but i thought that if this is a bug - better notify about it to improve the wowza product

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