Program: 70837
Project: 70837
Buggy source:
@Override public void init(GLAutoDrawable drawable){
  this.drawable=drawable;
  this.gl=drawable.getGL().getGL2();
  if (DEBUG) {
    System.out.println("String_Node_Str" + gl);
    System.out.println("String_Node_Str");
    GLContext context=drawable.getContext();
    String contextHC=Integer.toHexString(System.identityHashCode(context));
    System.out.println("String_Node_Str" + context.getClass().getName() + "String_Node_Str"+ contextHC+ "String_Node_Str"+ context.isShared()+ "String_Node_Str");
  }
  gl.setSwapInterval(1);
  if (gl.isExtensionAvailable("String_Node_Str")) {
    gl.glEnable(GL2.GL_MULTISAMPLE);
    myMultiSampleEnabled=true;
  }
  int[] buff=new int[1];
  gl.glGetIntegerv(GL2.GL_MAX_CLIP_PLANES,buff,0);
  maxClipPlanes=buff[0];
  setFaceStyle(FaceStyle.FRONT);
  gl.glEnable(GL2.GL_DEPTH_TEST);
  gl.glClearDepth(1.0);
  gl.glLightModelfv(GL2.GL_LIGHT_MODEL_LOCAL_VIEWER,lmodel_local,0);
  gl.glLightModelfv(GL2.GL_LIGHT_MODEL_TWO_SIDE,lmodel_twoside,0);
  gl.glLightModelfv(GL2.GL_LIGHT_MODEL_AMBIENT,lmodel_ambient,0);
  gl.glLightModelf(GL2.GL_LIGHT_MODEL_TWO_SIDE,1);
  gl.glEnable(GL2.GL_LIGHTING);
  gl.glEnable(GL2.GL_NORMALIZE);
  setLightingEnabled(true);
  setDepthEnabled(true);
  setColorEnabled(true);
  setVertexColoringEnabled(true);
  setTextureMappingEnabled(true);
  setFaceStyle(FaceStyle.FRONT);
  setShading(Shading.PHONG);
  setGammaCorrectionEnabled(false);
  lightManager.setMaxLights(getMaxLights(gl));
  setupLights(gl);
  if (!isSelecting()) {
    gl.glClearColor(backgroundColor[0],backgroundColor[1],backgroundColor[2],backgroundColor[3]);
  }
  resetViewVolume();
  invalidateModelMatrix();
  invalidateProjectionMatrix();
  invalidateViewMatrix();
  buildInternalRenderList();
  if (DEBUG) {
    System.out.println("String_Node_Str");
  }
}

Fixed version (ground truth):
@Override public void init(GLAutoDrawable drawable){
  this.drawable=drawable;
  this.gl=drawable.getGL().getGL2();
  if (DEBUG) {
    System.out.println("String_Node_Str" + gl);
    System.out.println("String_Node_Str");
    GLContext context=drawable.getContext();
    String contextHC=Integer.toHexString(System.identityHashCode(context));
    System.out.println("String_Node_Str" + context.getClass().getName() + "String_Node_Str"+ contextHC+ "String_Node_Str"+ context.isShared()+ "String_Node_Str");
  }
  gl.setSwapInterval(1);
  if (gl.isExtensionAvailable("String_Node_Str")) {
    gl.glEnable(GL2.GL_MULTISAMPLE);
    myMultiSampleEnabled=true;
  }
  int[] buff=new int[1];
  gl.glGetIntegerv(GL2.GL_MAX_CLIP_PLANES,buff,0);
  maxClipPlanes=buff[0];
  setFaceStyle(FaceStyle.FRONT);
  gl.glEnable(GL2.GL_DEPTH_TEST);
  gl.glClearDepth(1.0);
  gl.glLightModelfv(GL2.GL_LIGHT_MODEL_LOCAL_VIEWER,lmodel_local,0);
  gl.glLightModelfv(GL2.GL_LIGHT_MODEL_TWO_SIDE,lmodel_twoside,0);
  gl.glLightModelfv(GL2.GL_LIGHT_MODEL_AMBIENT,lmodel_ambient,0);
  gl.glLightModelf(GL2.GL_LIGHT_MODEL_TWO_SIDE,1);
  gl.glEnable(GL2.GL_LIGHTING);
  gl.glEnable(GL2.GL_NORMALIZE);
  setLightingEnabled(true);
  setDepthEnabled(true);
  setColorEnabled(true);
  setVertexColoringEnabled(true);
  setTextureMappingEnabled(true);
  setFaceStyle(FaceStyle.FRONT);
  setShading(Shading.PHONG);
  setGammaCorrectionEnabled(false);
  lightManager.setMaxLights(getMaxLights(gl));
  setupLights(gl);
  if (!isSelecting()) {
    gl.glClearColor(backgroundColor[0],backgroundColor[1],backgroundColor[2],backgroundColor[3]);
  }
  resetViewVolume(gl);
  invalidateModelMatrix();
  invalidateProjectionMatrix();
  invalidateViewMatrix();
  buildInternalRenderList();
  if (DEBUG) {
    System.out.println("String_Node_Str");
  }
}