Program: 78171
Project: 78171
Buggy source:
@Override public String call(){
  try {
    Thread.currentThread().setName("String_Node_Str" + instanceTaskKeyDetail);
    String status=null;
    logger.info("String_Node_Str",instanceTaskKeyDetail);
    InstanceTaskKey instanceTaskKey=instanceTaskKeyDetail.getInstanceTaskKey();
    InstanceTaskLock instanceTaskLock=InstanceTaskLockFactory.borrowLock(instanceTaskKey);
    instanceTaskLock.getLock().lock();
    try {
      InstanceTask instanceTask=getInstanceTask();
      if (isInvalidInstanceTask(instanceTask)) {
        return "String_Node_Str";
      }
      if (isDone(instanceTask)) {
        return instanceTask.getStatus();
      }
      if (TaskRunningFactory.addInstatnceTask(this)) {
        return "String_Node_Str";
      }
      setStartStatus(instanceTask);
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
      insertInstanceTaskLog(e);
      return "String_Node_Str";
    }
 finally {
      InstanceTaskLockFactory.returnLock(instanceTaskLock);
    }
    try {
      status=exec();
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
      status=Status.FAIL.name();
      insertInstanceTaskLog(e);
    }
    instanceTaskLock=InstanceTaskLockFactory.borrowLock(instanceTaskKey);
    instanceTaskLock.getLock().lock();
    try {
      InstanceTask instanceTask=getInstanceTask();
      if (isInvalidInstanceTask(instanceTask)) {
        return "String_Node_Str";
      }
      if (!StringUtils.equals(instanceTask.getStatus(),Status.RUNNING.name())) {
        return instanceTask.getStatus();
      }
      if (StringUtils.isNotBlank(this.context)) {
        instanceTask.setContext(this.context);
      }
      setEndStatus(instanceTask,status,1);
    }
  finally {
      InstanceTaskLockFactory.returnLock(instanceTaskLock);
      TaskRunningFactory.delInstatnceTask(instanceTaskKeyDetail.getTaskId(),instanceTaskKeyDetail.getTaskDate());
      rmSubmittedPath();
    }
    return status;
  }
 catch (  Throwable e) {
    logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    insertInstanceTaskLog(e);
    return "String_Node_Str";
  }
 finally {
    try {
      triggerExtService(getInstanceTask());
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      doRetry();
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      doNext(getInstanceTask());
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      InstanceTask instanceTask=getInstanceTask();
      if (!isInvalidInstanceTask(instanceTask) && instanceTask.getIsOneTimes() == 1 && isDone(instanceTask)) {
        ServiceBeanFactory.getbODefTaskService().offlineByIdServer(instanceTask.getTaskId());
      }
      Thread.currentThread().setName("String_Node_Str" + instanceTaskKeyDetail);
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
  }
}

Fixed version (ground truth):
@Override public String call(){
  try {
    Thread.currentThread().setName("String_Node_Str" + instanceTaskKeyDetail);
    String status=null;
    logger.info("String_Node_Str",instanceTaskKeyDetail);
    InstanceTaskKey instanceTaskKey=instanceTaskKeyDetail.getInstanceTaskKey();
    InstanceTaskLock instanceTaskLock=InstanceTaskLockFactory.borrowLock(instanceTaskKey);
    instanceTaskLock.getLock().lock();
    try {
      InstanceTask instanceTask=getInstanceTask();
      if (isInvalidInstanceTask(instanceTask)) {
        return "String_Node_Str";
      }
      if (isDone(instanceTask)) {
        return instanceTask.getStatus();
      }
      setStartStatus(instanceTask);
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
      insertInstanceTaskLog(e);
      return "String_Node_Str";
    }
 finally {
      InstanceTaskLockFactory.returnLock(instanceTaskLock);
    }
    try {
      status=exec();
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
      status=Status.FAIL.name();
      insertInstanceTaskLog(e);
    }
    instanceTaskLock=InstanceTaskLockFactory.borrowLock(instanceTaskKey);
    instanceTaskLock.getLock().lock();
    try {
      InstanceTask instanceTask=getInstanceTask();
      if (isInvalidInstanceTask(instanceTask)) {
        return "String_Node_Str";
      }
      if (!StringUtils.equals(instanceTask.getStatus(),Status.RUNNING.name())) {
        return instanceTask.getStatus();
      }
      if (StringUtils.isNotBlank(this.context)) {
        instanceTask.setContext(this.context);
      }
      setEndStatus(instanceTask,status,1);
    }
  finally {
      InstanceTaskLockFactory.returnLock(instanceTaskLock);
      rmSubmittedPath();
    }
    return status;
  }
 catch (  Throwable e) {
    logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    insertInstanceTaskLog(e);
    return "String_Node_Str";
  }
 finally {
    try {
      TaskRunningFactory.delInstatnceTask(instanceTaskKeyDetail.getTaskId(),instanceTaskKeyDetail.getTaskDate());
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      triggerExtService(getInstanceTask());
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      doRetry();
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      doNext(getInstanceTask());
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
    try {
      InstanceTask instanceTask=getInstanceTask();
      if (!isInvalidInstanceTask(instanceTask) && instanceTask.getIsOneTimes() == 1 && isDone(instanceTask)) {
        ServiceBeanFactory.getbODefTaskService().offlineByIdServer(instanceTask.getTaskId());
      }
      Thread.currentThread().setName("String_Node_Str" + instanceTaskKeyDetail);
    }
 catch (    Exception e) {
      logger.error("String_Node_Str" + instanceTaskKeyDetail,e);
    }
  }
}