Program: 118751
Project: 118751
Buggy source:
@Override public void init(IEditorSite site,IEditorInput input) throws PartInitException {
  super.init(site,input);
  Bundle bundle=FrameworkUtil.getBundle(StandAloneTalendJavaEditor.class);
  lockService=bundle.getBundleContext().registerService(EventHandler.class.getName(),new EventHandler(){
    @Override public void handleEvent(    Event event){
      String lockTopic=Constant.REPOSITORY_ITEM_EVENT_PREFIX + Constant.ITEM_LOCK_EVENT_SUFFIX;
      if (lockTopic.equals(event.getTopic())) {
        if (!isEditable) {
          Object o=event.getProperty(Constant.ITEM_EVENT_PROPERTY_KEY);
          if (o instanceof FileItem) {
            item.getProperty().eAdapters().remove(dirtyListener);
            item=(FileItem)o;
            item.getProperty().eAdapters().add(dirtyListener);
            if (isEditable()) {
              isEditable=true;
              rEditorInput.getFile().setReadOnly(false);
              getSite().getShell().getDisplay().asyncExec(new Runnable(){
                @Override public void run(){
                  setFocus();
                  ISourceViewer viewer=getViewer();
                  if (viewer != null) {
                    StyledText styledText=viewer.getTextWidget();
                    if (styledText != null) {
                      styledText.setBackground(bgColorForEditabeItem);
                      styledText.setDragDetect(true);
                    }
                  }
                }
              }
);
              try {
                ICodeGeneratorService service=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
                if (o instanceof RoutineItem) {
                  ITalendSynchronizer routineSynchronizer=service.createJavaRoutineSynchronizer();
                  routineSynchronizer.syncRoutine((RoutineItem)o,true);
                }
 else                 if (o instanceof SQLPatternItem) {
                  ISQLPatternSynchronizer sqlPatternSynchronizer=service.getSQLPatternSynchronizer();
                  sqlPatternSynchronizer.syncSQLPattern((SQLPatternItem)o,true);
                }
 else {
                  org.talend.commons.exception.ExceptionHandler.process(new Exception("String_Node_Str"));
                }
                setName();
              }
 catch (              Exception e) {
                org.talend.commons.exception.ExceptionHandler.process(e);
              }
            }
          }
        }
      }
    }
  }
,new Hashtable<String,String>(Collections.singletonMap(EventConstants.EVENT_TOPIC,Constant.REPOSITORY_ITEM_EVENT_PREFIX + "String_Node_Str")));
}

Fixed version (ground truth):
@Override public void init(IEditorSite site,IEditorInput input) throws PartInitException {
  super.init(site,input);
  Bundle bundle=FrameworkUtil.getBundle(StandAloneTalendJavaEditor.class);
  lockService=bundle.getBundleContext().registerService(EventHandler.class.getName(),new EventHandler(){
    @Override public void handleEvent(    Event event){
      String lockTopic=Constant.REPOSITORY_ITEM_EVENT_PREFIX + Constant.ITEM_LOCK_EVENT_SUFFIX;
      if (lockTopic.equals(event.getTopic())) {
        if (!isEditable) {
          Object o=event.getProperty(Constant.ITEM_EVENT_PROPERTY_KEY);
          if (o instanceof FileItem) {
            boolean isTheCorrectEditor=false;
            Property property=((FileItem)o).getProperty();
            if (property != null) {
              String eventItemId=property.getId();
              String currentOpenedItemId="String_Node_Str";
              if (rEditorInput != null) {
                currentOpenedItemId=rEditorInput.getId();
              }
              isTheCorrectEditor=currentOpenedItemId.equals(eventItemId);
            }
            if (!isTheCorrectEditor) {
              return;
            }
            item.getProperty().eAdapters().remove(dirtyListener);
            item=(FileItem)o;
            item.getProperty().eAdapters().add(dirtyListener);
            if (isEditable()) {
              isEditable=true;
              rEditorInput.getFile().setReadOnly(false);
              getSite().getShell().getDisplay().asyncExec(new Runnable(){
                @Override public void run(){
                  setFocus();
                  ISourceViewer viewer=getViewer();
                  if (viewer != null) {
                    StyledText styledText=viewer.getTextWidget();
                    if (styledText != null) {
                      styledText.setBackground(bgColorForEditabeItem);
                      styledText.setDragDetect(true);
                    }
                  }
                }
              }
);
              try {
                ICodeGeneratorService service=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
                if (o instanceof RoutineItem) {
                  ITalendSynchronizer routineSynchronizer=service.createJavaRoutineSynchronizer();
                  routineSynchronizer.syncRoutine((RoutineItem)o,true);
                }
 else                 if (o instanceof SQLPatternItem) {
                  ISQLPatternSynchronizer sqlPatternSynchronizer=service.getSQLPatternSynchronizer();
                  sqlPatternSynchronizer.syncSQLPattern((SQLPatternItem)o,true);
                }
 else {
                  org.talend.commons.exception.ExceptionHandler.process(new Exception("String_Node_Str"));
                }
                setName();
              }
 catch (              Exception e) {
                org.talend.commons.exception.ExceptionHandler.process(e);
              }
            }
          }
        }
      }
    }
  }
,new Hashtable<String,String>(Collections.singletonMap(EventConstants.EVENT_TOPIC,Constant.REPOSITORY_ITEM_EVENT_PREFIX + "String_Node_Str")));
}