Please help me

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Hi
when i try to run OPengl under window XP on my computer, i got the following error message:

******************************
Exception in thread "AWT-EventQueue-0" javax.media.opengl.GLException: Surface a
lready locked
at com.sun.opengl.impl.windows.WindowsOnscreenGLDrawa ble.lockSurface(Win
dowsOnscreenGLDrawable.java:156)
at com.sun.opengl.impl.windows.WindowsOnscreenGLConte xt.makeCurrentImpl(
WindowsOnscreenGLContext.java:57)
at com.sun.opengl.impl.GLContextImpl.makeCurrent(GLCo ntextImpl.java:127)

at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDr awableHelper.java:1
82)
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedW orkaround(GLCanvas.
java:258)
at javax.media.opengl.GLCanvas.display(GLCanvas.java: 130)
at javax.media.opengl.GLCanvas.paint(GLCanvas.java:14 2)
at javax.media.opengl.GLCanvas.update(GLCanvas.java:2 13)
at sun.awt.RepaintArea.updateComponent(Unknown Source)
at sun.awt.RepaintArea.paint(Unknown Source)
at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierar chy(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
***********************************
please give me some suggestions

THank you

[ZbuffeR]

Huh, it looks more related to Java than openGL.
Can you provide more details on what are you doing ? What are you programming ? With which java-GL API ?