Program: 70706
Project: 70706
Buggy source:
private void init(){
  if (isInitialized)   return;
  isInitialized=true;
  try {
    osWinClass=Class.forName("String_Node_Str");
    if (osWinClass != null) {
      GET_WINDOW_LONG=osWinClass.getMethod("String_Node_Str",new Class[]{Integer.TYPE,Integer.TYPE});
      SET_WINDOW_LONG=osWinClass.getMethod("String_Node_Str",new Class[]{Integer.TYPE,Integer.TYPE,Integer.TYPE});
      INVALIDATE_RECT=osWinClass.getMethod("String_Node_Str",new Class[]{Integer.TYPE,Class.forName("String_Node_Str"),Boolean.TYPE});
      Field field=osWinClass.getField("String_Node_Str");
      OS_STYLE_INDEX=field.getInt(null);
      field=osWinClass.getField("String_Node_Str");
      WS_EX_LAYOUTRTL=field.getInt(null);
      field=osWinClass.getField("String_Node_Str");
      WS_EX_NOINHERITLAYOUT=field.getInt(null);
      STYLE_FIELD=Widget.class.getDeclaredField("String_Node_Str");
      STYLE_FIELD.setAccessible(true);
    }
  }
 catch (  ClassNotFoundException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  NoSuchMethodException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  SecurityException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  NoSuchFieldException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  IllegalArgumentException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  IllegalAccessException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
}

Fixed version (ground truth):
private void init(){
  if (isInitialized)   return;
  isInitialized=true;
  try {
    osWinClass=Class.forName("String_Node_Str");
    if (osWinClass != null) {
      GET_WINDOW_LONG=osWinClass.getMethod("String_Node_Str",new Class[]{Integer.TYPE,Integer.TYPE});
      SET_WINDOW_LONG=osWinClass.getMethod("String_Node_Str",new Class[]{Integer.TYPE,Integer.TYPE,Integer.TYPE});
      INVALIDATE_RECT=osWinClass.getMethod("String_Node_Str",new Class[]{Integer.TYPE,Class.forName("String_Node_Str"),Boolean.TYPE});
      Field field=osWinClass.getField("String_Node_Str");
      OS_STYLE_INDEX=field.getInt(null);
      field=osWinClass.getField("String_Node_Str");
      WS_EX_LAYOUTRTL=field.getInt(null);
      field=osWinClass.getField("String_Node_Str");
      WS_EX_NOINHERITLAYOUT=field.getInt(null);
      STYLE_FIELD=Widget.class.getDeclaredField("String_Node_Str");
      STYLE_FIELD.setAccessible(true);
      HANDLE=Control.class.getDeclaredField("String_Node_Str");
      HANDLE.setAccessible(true);
    }
  }
 catch (  ClassNotFoundException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  NoSuchMethodException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  SecurityException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  NoSuchFieldException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  IllegalArgumentException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
catch (  IllegalAccessException e) {
    osWinClass=null;
    ExceptionHandler.handle(e,true);
  }
}