Hello,
 	I am new to VTK and I am using VTK with java. I have encountered 
crash while calling vtkPanel.Render(). From the user's archive I 
learned that while Rendering, it is important to check if an 
exclusive lock is obtained on awt drawing surface or not. if lock 
could not be obtained then the Render method should be 
rescheduled. Please guide me how to do this. following is the 
error message I got.

Current Java thread:
 	at vtk.vtkRenderWindow.Render_6(Native Method)
 	at vtk.vtkRenderWindow.Render(vtkRenderWindow.java:36)
 	at vtk.vtkPanel.Render(vtkPanel.java:141)
 	- locked <0x101be080> (VTKDisplayWindow)
 	at

and

Current Java thread:
 	at vtk.vtkRenderWindow.Render_6(Native Method)
 	at vtk.vtkRenderWindow.Render(vtkRenderWindow.java:36)
 	at vtk.vtkPanel.Render(vtkPanel.java:141)
 	at VTKDisplayWindow.updateDisplay(VTKDisplayWindow.java:98)
//In the above line, I just call Render of vtkPanel

 	at UpdateAction$1.finished(UpdateAction.java:63)
 	at SwingWorker$1.run(SwingWorker.java:106)
 	at 
java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
 
 	at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
 	at 
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
 	at 
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
 	at 
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
 	at 
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
 	at 
java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

Thanks for any help
Nagaraj


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