Program: 118443
Project: 118443
Buggy source:
protected RepositoryEditorInput getEditorInput(final Item item,final boolean readonly,final IWorkbenchPage page) throws SystemException {
  if (item instanceof ProcessItem) {
    ProcessItem processItem=(ProcessItem)item;
    return new ProcessEditorInput(processItem,true,false,readonly);
  }
 else   if (item instanceof BusinessProcessItem) {
    BusinessProcessItem businessProcessItem=(BusinessProcessItem)item;
    IFile file=CorePlugin.getDefault().getDiagramModelService().getDiagramFileAndUpdateResource(page,businessProcessItem);
    return new RepositoryEditorInput(file,businessProcessItem);
  }
 else   if (item instanceof RoutineItem) {
    final RoutineItem routineItem=(RoutineItem)item;
    final ICodeGeneratorService codeGenService=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
    ITalendSynchronizer routineSynchronizer=codeGenService.createRoutineSynchronizer();
    ProxyRepositoryFactory factory=ProxyRepositoryFactory.getInstance();
    String lastVersion=factory.getLastVersion(routineItem.getProperty().getId()).getVersion();
    String curVersion=routineItem.getProperty().getVersion();
    final IFile file;
    if (curVersion != null && curVersion.equals(lastVersion)) {
      file=routineSynchronizer.getFile(routineItem);
    }
 else {
      file=routineSynchronizer.getRoutinesFile(routineItem);
    }
    if (file != null) {
      return new RoutineEditorInput(file,routineItem);
    }
  }
 else   if (item instanceof SQLPatternItem) {
    SQLPatternItem patternItem=(SQLPatternItem)item;
    final ICodeGeneratorService codeGenService=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
    ISQLPatternSynchronizer SQLPatternSynchronizer=codeGenService.getSQLPatternSynchronizer();
    SQLPatternSynchronizer.syncSQLPattern(patternItem,true);
    IFile file=SQLPatternSynchronizer.getSQLPatternFile(patternItem);
    if (file != null) {
      return new RepositoryEditorInput(file,patternItem);
    }
  }
  return null;
}

Fixed version (ground truth):
protected RepositoryEditorInput getEditorInput(final Item item,final boolean readonly,final IWorkbenchPage page) throws SystemException {
  if (item instanceof ProcessItem) {
    ProcessItem processItem=(ProcessItem)item;
    return new ProcessEditorInput(processItem,true,false,readonly);
  }
 else   if (item instanceof BusinessProcessItem) {
    BusinessProcessItem businessProcessItem=(BusinessProcessItem)item;
    IFile file=CorePlugin.getDefault().getDiagramModelService().getDiagramFileAndUpdateResource(page,businessProcessItem);
    return new RepositoryEditorInput(file,businessProcessItem);
  }
 else   if (item instanceof RoutineItem) {
    final RoutineItem routineItem=(RoutineItem)item;
    final ICodeGeneratorService codeGenService=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
    ITalendSynchronizer routineSynchronizer=codeGenService.createRoutineSynchronizer();
    ProxyRepositoryFactory factory=ProxyRepositoryFactory.getInstance();
    String lastVersion=factory.getLastVersion(routineItem.getProperty().getId()).getVersion();
    String curVersion=routineItem.getProperty().getVersion();
    routineSynchronizer.syncRoutine(routineItem,true,true);
    final IFile file;
    if (curVersion != null && curVersion.equals(lastVersion)) {
      file=routineSynchronizer.getFile(routineItem);
    }
 else {
      file=routineSynchronizer.getRoutinesFile(routineItem);
    }
    if (file != null) {
      return new RoutineEditorInput(file,routineItem);
    }
  }
 else   if (item instanceof SQLPatternItem) {
    SQLPatternItem patternItem=(SQLPatternItem)item;
    final ICodeGeneratorService codeGenService=(ICodeGeneratorService)GlobalServiceRegister.getDefault().getService(ICodeGeneratorService.class);
    ISQLPatternSynchronizer SQLPatternSynchronizer=codeGenService.getSQLPatternSynchronizer();
    SQLPatternSynchronizer.syncSQLPattern(patternItem,true);
    IFile file=SQLPatternSynchronizer.getSQLPatternFile(patternItem);
    if (file != null) {
      return new RepositoryEditorInput(file,patternItem);
    }
  }
  return null;
}