other errors :
java.lang.Exception: JAWT Surface previously locked by main
at com.sun.nativewindow.impl.jawt.JAWTWindow.lockSurface(JAWTWindow.java:106)
at com.sun.nativewindow.impl.jawt.windows.WindowsJAWTWindow.lockSurface(WindowsJAWTWindow.java:60)
at com.sun.opengl.impl.GLDrawableImpl.lockSurface(GLDrawableImpl.java:130)
at com.sun.opengl.impl.windows.wgl.WindowsWGLDrawable.setRealized(WindowsWGLDrawable.java:70)
at javax.media.opengl.awt.GLCanvas.addNotify(GLCanvas.java:413)
at java.awt.Container.addNotify(Container.java:2661)
at javax.swing.JComponent.addNotify(JComponent.java:4731)
at java.awt.Container.addNotify(Container.java:2661)
at javax.swing.JComponent.addNotify(JComponent.java:4731)
at java.awt.Container.addNotify(Container.java:2661)
at javax.swing.JComponent.addNotify(JComponent.java:4731)
at javax.swing.JRootPane.addNotify(JRootPane.java:754)
at java.awt.Container.addNotify(Container.java:2661)
at java.awt.Window.addNotify(Window.java:722)
at java.awt.Frame.addNotify(Frame.java:487)
at java.awt.Window.show(Window.java:944)
at java.awt.Component.show(Component.java:1564)
at java.awt.Component.setVisible(Component.java:1516)
at java.awt.Window.setVisible(Window.java:927)
at TestJOGL.main(TestJOGL.java:36)
Exception in thread "AWT-EventQueue-0" javax.media.nativewindow.NativeWindowException: JAWT Surface already locked - AWT-EventQueue-0 JAWT-Window[windowHandle 0x0, surfaceHandle 0x0, pos 0/0, size 624x442, visible true, locked true,
config class javax.media.nativewindow.awt.AWTGraphicsConfiguration[class javax.media.nativewindow.awt.AWTGraphicsScreen[class javax.media.nativewindow.awt.AWTGraphicsDevice[type AWT, awtDevice D3DGraphicsDevice[screen=0], handle 0x0], idx 0],
chosen GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false],
requested GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false],
D3DGraphicsConfig[dev=D3DGraphicsDevice[screen=0],pixfmt=0],
encapsulated WindowsWGLGraphicsConfiguration[class javax.media.nativewindow.DefaultGraphicsScreen[class javax.media.nativewindow.windows.WindowsGraphicsDevice[type Windows, handle 0x0], idx 0], pfdID -1, wglChoosen false,
requested GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false],
chosen GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false]]],
wrappedWindow AWT-GLCanvas[ class javax.media.nativewindow.awt.AWTGraphicsConfiguration[class javax.media.nativewindow.awt.AWTGraphicsScreen[class javax.media.nativewindow.awt.AWTGraphicsDevice[type AWT, awtDevice D3DGraphicsDevice[screen=0], handle 0x0], idx 0],
chosen GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false],
requested GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false],
D3DGraphicsConfig[dev=D3DGraphicsDevice[screen=0],pixfmt=0],
encapsulated WindowsWGLGraphicsConfiguration[class javax.media.nativewindow.DefaultGraphicsScreen[class javax.media.nativewindow.windows.WindowsGraphicsDevice[type Windows, handle 0x0], idx 0], pfdID -1, wglChoosen false,
requested GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false],
chosen GLCapabilities[Capabilities[Onscreen: true, Red: 8, Green: 8, Blue: 8, Alpha: 0, Opaque: true], GL profile: GLProfile[GL2/GL2], PBuffer: false, DoubleBuffered: true, Stereo: false, HardwareAccelerated: true, DepthBits: 24, StencilBits: 0, Red Accum: 0, Green Accum: 0, Blue Accum: 0, Alpha Accum: 0, Multisample: false, Num samples: 0, PBuffer-FloatingPointBuffers: false, PBuffer-RenderToTexture: false, PBuffer-RenderToTextureRectangle: false]]], com.sun.opengl.impl.windows.wgl.WindowsOnscreenWGLDrawable, GLEventListeners num 1 [TestJOGL$1@329f3d, ]]]
at com.sun.nativewindow.impl.jawt.JAWTWindow.lockSurface(JAWTWindow.java:104)
at com.sun.nativewindow.impl.jawt.windows.WindowsJAWTWindow.lockSurface(WindowsJAWTWindow.java:60)
at com.sun.opengl.impl.GLDrawableImpl.lockSurface(GLDrawableImpl.java:130)
at com.sun.opengl.impl.windows.wgl.WindowsOnscreenWGLContext.makeCurrentImpl(WindowsOnscreenWGLContext.java:59)
at com.sun.opengl.impl.GLContextImpl.makeCurrent(GLContextImpl.java:120)
at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:141)
at javax.media.opengl.awt.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:553)
at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:290)
at javax.media.opengl.awt.GLCanvas.paint(GLCanvas.java:368)
at sun.awt.RepaintArea.paintComponent(RepaintArea.java:264)
at sun.awt.RepaintArea.paint(RepaintArea.java:240)
at sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:347)
at java.awt.Component.dispatchEventImpl(Component.java:4777)
at java.awt.Component.dispatchEvent(Component.java:4527)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:618)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:286)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:139)
Exception in thread "AWT-EventQueue-0" javax.media.opengl.GLException: Attempt to make the same context current twice on thread Thread[AWT-EventQueue-0,6,main]
at com.sun.opengl.impl.GLContextLock.lock(GLContextLock.java:83)
at com.sun.opengl.impl.GLContextImpl.makeCurrent(GLContextImpl.java:117)
at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:141)
at javax.media.opengl.awt.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:553)
at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:290)
at javax.media.opengl.awt.GLCanvas.paint(GLCanvas.java:368)
at sun.awt.RepaintArea.paintComponent(RepaintArea.java:264)
at sun.awt.RepaintArea.paint(RepaintArea.java:240)
at sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:347)
at java.awt.Component.dispatchEventImpl(Component.java:4777)
at java.awt.Component.dispatchEvent(Component.java:4527)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:618)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:286)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:139)