Program: 96399
Project: 96399
Buggy source:
@Override public void createTray(String iconName){
  this.appIndicator=libappindicator.app_indicator_new(this.appName,"String_Node_Str",AppIndicator.CATEGORY_APPLICATION_STATUS);
  AppIndicator.AppIndicatorClassStruct aiclass=new AppIndicator.AppIndicatorClassStruct(this.appIndicator.parent.g_type_instance.g_class);
  aiclass.fallback=new AppIndicator.Fallback(){
    @Override public Pointer callback(    final AppIndicator.AppIndicatorInstanceStruct self){
      AppIndicatorTray.this.callbackExecutor.execute(new Runnable(){
        @Override public void run(){
          logger.warn("String_Node_Str");
          if (AppIndicatorTray.this.failureCallback != null) {
            AppIndicatorTray.this.failureCallback.createTrayFailed();
          }
        }
      }
);
      return null;
    }
  }
;
  aiclass.write();
  this.menu=libgtk.gtk_menu_new();
  libappindicator.app_indicator_set_menu(this.appIndicator,this.menu);
  libappindicator.app_indicator_set_icon_full(this.appIndicator,iconPath(iconName),this.appName);
  libappindicator.app_indicator_set_status(this.appIndicator,AppIndicator.STATUS_ACTIVE);
  if (!GtkSupport.usesSwtMainLoop) {
    Thread gtkUpdateThread=new Thread(){
      @Override public void run(){
        AppIndicatorTray.this.blockUntilStarted.countDown();
        try {
          libgtk.gtk_main();
        }
 catch (        Throwable t) {
          logger.warn("String_Node_Str",t);
        }
      }
    }
;
    gtkUpdateThread.setName("String_Node_Str");
    gtkUpdateThread.setDaemon(true);
    gtkUpdateThread.start();
  }
  try {
    this.blockUntilStarted.await();
    this.active=true;
  }
 catch (  InterruptedException ignored) {
  }
}

Fixed version (ground truth):
@Override public void createTray(String iconName){
  libgtk.gdk_threads_enter();
  this.appIndicator=libappindicator.app_indicator_new(this.appName,"String_Node_Str",AppIndicator.CATEGORY_APPLICATION_STATUS);
  AppIndicator.AppIndicatorClassStruct aiclass=new AppIndicator.AppIndicatorClassStruct(this.appIndicator.parent.g_type_instance.g_class);
  aiclass.fallback=new AppIndicator.Fallback(){
    @Override public Pointer callback(    final AppIndicator.AppIndicatorInstanceStruct self){
      AppIndicatorTray.this.callbackExecutor.execute(new Runnable(){
        @Override public void run(){
          logger.warn("String_Node_Str");
          if (AppIndicatorTray.this.failureCallback != null) {
            AppIndicatorTray.this.failureCallback.createTrayFailed();
          }
        }
      }
);
      return null;
    }
  }
;
  aiclass.write();
  this.menu=libgtk.gtk_menu_new();
  libappindicator.app_indicator_set_menu(this.appIndicator,this.menu);
  libappindicator.app_indicator_set_icon_full(this.appIndicator,iconPath(iconName),this.appName);
  libappindicator.app_indicator_set_status(this.appIndicator,AppIndicator.STATUS_ACTIVE);
  libgtk.gdk_threads_leave();
  if (!useSWT) {
    Thread gtkUpdateThread=new Thread(){
      @Override public void run(){
        AppIndicatorTray.this.blockUntilStarted.countDown();
        libgtk.gtk_main();
      }
    }
;
    gtkUpdateThread.setName("String_Node_Str");
    gtkUpdateThread.start();
  }
  try {
    this.blockUntilStarted.await();
    this.active=true;
  }
 catch (  InterruptedException ignored) {
  }
}