Program: 124322
Project: 124322
Buggy source:
/** 
 * DOC smallet Comment method "openRoutineEditor".
 * @param item
 * @throws SystemException
 * @throws PartInitException
 */
public IEditorPart openSQLPatternEditor(SQLPatternItem item,boolean readOnly) throws SystemException, PartInitException {
  if (item == null) {
    return null;
  }
  ICodeGeneratorService service=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
  ECodeLanguage lang=((RepositoryContext)CorePlugin.getContext().getProperty(Context.REPOSITORY_CONTEXT_KEY)).getProject().getLanguage();
  ISQLPatternSynchronizer routineSynchronizer=service.getSQLPatternSynchronizer();
  IWorkbenchPage page=getActivePage();
  IEditorReference[] editorParts=page.getEditorReferences();
  String talendEditorID="String_Node_Str" + lang.getCaseName() + "String_Node_Str";
  boolean found=false;
  IEditorPart talendEditor=null;
  for (  IEditorReference reference : editorParts) {
    IEditorPart editor=reference.getEditor(false);
    if (talendEditorID.equals(editor.getSite().getId())) {
      RepositoryEditorInput editorInput=(RepositoryEditorInput)editor.getEditorInput();
      if (editorInput.getItem().equals(item)) {
        page.bringToTop(editor);
        found=true;
        talendEditor=editor;
        break;
      }
    }
  }
  if (!found) {
    routineSynchronizer.syncSQLPattern(item,true);
    IFile file=routineSynchronizer.getSQLPatternFile(item);
    RepositoryEditorInput input=new RepositoryEditorInput(file,item);
    input.setReadOnly(readOnly);
    talendEditor=page.openEditor(input,talendEditorID);
  }
  return talendEditor;
}

Fixed version (ground truth):
/** 
 * DOC smallet Comment method "openRoutineEditor".
 * @param item
 * @throws SystemException
 * @throws PartInitException
 */
public IEditorPart openSQLPatternEditor(SQLPatternItem item,boolean readOnly) throws SystemException, PartInitException {
  if (item == null) {
    return null;
  }
  ICodeGeneratorService service=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
  ECodeLanguage lang=((RepositoryContext)CorePlugin.getContext().getProperty(Context.REPOSITORY_CONTEXT_KEY)).getProject().getLanguage();
  ISQLPatternSynchronizer routineSynchronizer=service.getSQLPatternSynchronizer();
  IWorkbenchPage page=getActivePage();
  IEditorReference[] editorParts=page.getEditorReferences();
  String talendEditorID="String_Node_Str" + lang.getCaseName() + "String_Node_Str";
  boolean found=false;
  IEditorPart talendEditor=null;
  for (  IEditorReference reference : editorParts) {
    IEditorPart editor=reference.getEditor(false);
    if (talendEditorID.equals(editor.getSite().getId())) {
      RepositoryEditorInput editorInput=(RepositoryEditorInput)editor.getEditorInput();
      Item item2=editorInput.getItem();
      if (item2 != null && item2 instanceof SQLPatternItem && item2.getProperty().getId().equals(item.getProperty().getId())) {
        if (item2.getProperty().getVersion().equals(item.getProperty().getVersion())) {
          page.bringToTop(editor);
          found=true;
          talendEditor=editor;
          break;
        }
 else {
          page.closeEditor(editor,false);
        }
      }
    }
  }
  if (!found) {
    routineSynchronizer.syncSQLPattern(item,true);
    IFile file=routineSynchronizer.getSQLPatternFile(item);
    RepositoryEditorInput input=new RepositoryEditorInput(file,item);
    input.setReadOnly(readOnly);
    talendEditor=page.openEditor(input,talendEditorID);
  }
  return talendEditor;
}