Thursday, October 8, 2009

Using JConsole to monitor...JConsole


I was in the mood for some recursive monitoring, so I fired up a JConsole process and ordered it to monitor itself. I managed to make it show the stack trace of the thread that had the task to show the stack trace of the thread that had the....... you get the idea :)

For what it worths, here is the stack trace:

sun.tools.jconsole.Worker.add(Worker.java:56)
sun.tools.jconsole.Tab.workerAdd(Tab.java:73)
- locked sun.tools.jconsole.ThreadTab@c829e3
sun.tools.jconsole.ThreadTab.valueChanged(ThreadTab.java:316)
javax.swing.JList.fireSelectionValueChanged(JList.java:1765)
javax.swing.JList$ListSelectionHandler.valueChanged(JList.java:1779)
javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167)
javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:137)
javax.swing.DefaultListSelectionModel.setValueIsAdjusting(DefaultListSelectionModel.java:668)
javax.swing.JList.setValueIsAdjusting(JList.java:2110)
javax.swing.plaf.basic.BasicListUI$Handler.mouseReleased(BasicListUI.java:2788)
java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)
java.awt.Component.processMouseEvent(Component.java:6263)
javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
java.awt.Component.processEvent(Component.java:6028)
I'm monitoring a process that should take about 2 hours, so yes, I do have a lot of time in my hands :)

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