I get this error

[brgb]

javax.media.opengl.GLException: java.lang.NoClassDefFoundError: apple/awt/ComponentModel
at com.sun.opengl.impl.Java2D.invokeWithOGLContextCurrent(Java2D.java:296)
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:266)
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)
at haven.HavenPanel.uglyjoglhack(HavenPanel.java:383)
at haven.HavenPanel.run(HavenPanel.java:418)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.NoClassDefFoundError: apple/awt/ComponentModel
at com.sun.opengl.impl.JAWT_DrawingSurface.GetDrawingSurfaceInfo0(Native Method)
at com.sun.opengl.impl.JAWT_DrawingSurface.GetDrawingSurfaceInfo(JAWT_DrawingSurface.java:56)
at com.sun.opengl.impl.macosx.MacOSXOnscreenGLDrawable$1.run(MacOSXOnscreenGLDrawable.java:165)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.opengl.impl.macosx.MacOSXOnscreenGLDrawable.lockSurface(MacOSXOnscreenGLDrawable.java:163)
at com.sun.opengl.impl.macosx.MacOSXOnscreenGLContext.makeCurrentImpl(MacOSXOnscreenGLContext.java:57)
at com.sun.opengl.impl.GLContextImpl.makeCurrent(GLContextImpl.java:134)
at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:182)
at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
at sun.java2d.opengl.OGLRenderQueue$QueueFlusher.run(OGLRenderQueue.java:234)
Caused by: java.lang.ClassNotFoundException: apple.awt.ComponentModel
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 10 more

[loftar]

The error has already been reported multiple times. Please see this thread for more info.