[vtkusers] vtkPanel: IllegalMonitorStateException

[ahmed Tokalak]

While starting my java-vtk-prog on linux following error occured:

Error locking surface
Exception occurred during event dispatching:
java.lang.IllegalMonitorStateException: current thread not owner
        at vtk.vtkPanel.UnLock(Native Method)
        at vtk.vtkPanel.setSize(vtkPanel.java:59)
        at SomWindow.createGui(SomWindow.java:481)
        at SomBrowser.startRendering(SomBrowser.java:53)
        at SomSelectionDialog.actionPerformed(SomSelectionDialog.java:59)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1450)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1504)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:378)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:250)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:216)
        at java.awt.Component.processMouseEvent(Component.java:3717)
        at java.awt.Component.processEvent(Component.java:3546)
        at java.awt.Container.processEvent(Container.java:1164)
        at java.awt.Component.dispatchEventImpl(Component.java:2595)
        at java.awt.Container.dispatchEventImpl(Container.java:1213)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2451)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2216)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125)
        at java.awt.Container.dispatchEventImpl(Container.java:1200)
        at java.awt.Window.dispatchEventImpl(Window.java:912)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:333)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:103)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:84)

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