Program: 54190
Project: 54190
Buggy source:
/** 
 * 发送给客户端 返回是否发送成功还是失败
 */
private boolean send0(String nodeGroup,final List<JobRunResult> results){
  JobClientNode jobClientNode=appContext.getJobClientManager().getAvailableJobClient(nodeGroup);
  if (jobClientNode == null) {
    return false;
  }
  List<JobResult> jobResults=new ArrayList<JobResult>(results.size());
  for (  JobRunResult result : results) {
    JobResult jobResult=new JobResult();
    jobResult.setJob(result.getJobMeta().getJob());
    jobResult.setSuccess(Action.EXECUTE_SUCCESS.equals(result.getAction()));
    jobResult.setMsg(result.getMsg());
    jobResult.setTime(result.getTime());
    jobResults.add(jobResult);
  }
  JobFinishedRequest requestBody=appContext.getCommandBodyWrapper().wrapper(new JobFinishedRequest());
  requestBody.setJobResults(jobResults);
  RemotingCommand commandRequest=RemotingCommand.createRequestCommand(JobProtos.RequestCode.JOB_COMPLETED.code(),requestBody);
  final Holder<Boolean> result=new Holder<Boolean>();
  try {
    final CountDownLatch latch=new CountDownLatch(1);
    getRemotingServer().invokeAsync(jobClientNode.getChannel().getChannel(),commandRequest,new AsyncCallback(){
      @Override public void operationComplete(      ResponseFuture responseFuture){
        try {
          RemotingCommand commandResponse=responseFuture.getResponseCommand();
          if (commandResponse != null && commandResponse.getCode() == JobProtos.ResponseCode.JOB_NOTIFY_SUCCESS.code()) {
            clientNotifyHandler.handleSuccess(results);
            result.set(true);
          }
 else {
            result.set(false);
          }
        }
  finally {
          latch.countDown();
        }
      }
    }
);
    try {
      latch.await(Constants.LATCH_TIMEOUT_MILLIS,TimeUnit.MILLISECONDS);
    }
 catch (    InterruptedException e) {
      throw new RequestTimeoutException(e);
    }
  }
 catch (  RemotingSendException e) {
    LOGGER.error("String_Node_Str",e);
  }
  return result.get() == null ? false : result.get();
}

Fixed version (ground truth):
/** 
 * 发送给客户端 返回是否发送成功还是失败
 */
private boolean send0(String nodeGroup,final List<JobRunResult> results){
  JobClientNode jobClientNode=appContext.getJobClientManager().getAvailableJobClient(nodeGroup);
  if (jobClientNode == null) {
    return false;
  }
  List<JobResult> jobResults=new ArrayList<JobResult>(results.size());
  for (  JobRunResult result : results) {
    JobResult jobResult=new JobResult();
    Job job=JobUtils.copy(result.getJobMeta().getJob());
    job.setTaskId(result.getJobMeta().getRealTaskId());
    jobResult.setJob(job);
    jobResult.setSuccess(Action.EXECUTE_SUCCESS.equals(result.getAction()));
    jobResult.setMsg(result.getMsg());
    jobResult.setTime(result.getTime());
    jobResults.add(jobResult);
  }
  JobFinishedRequest requestBody=appContext.getCommandBodyWrapper().wrapper(new JobFinishedRequest());
  requestBody.setJobResults(jobResults);
  RemotingCommand commandRequest=RemotingCommand.createRequestCommand(JobProtos.RequestCode.JOB_COMPLETED.code(),requestBody);
  final Holder<Boolean> result=new Holder<Boolean>();
  try {
    final CountDownLatch latch=new CountDownLatch(1);
    getRemotingServer().invokeAsync(jobClientNode.getChannel().getChannel(),commandRequest,new AsyncCallback(){
      @Override public void operationComplete(      ResponseFuture responseFuture){
        try {
          RemotingCommand commandResponse=responseFuture.getResponseCommand();
          if (commandResponse != null && commandResponse.getCode() == JobProtos.ResponseCode.JOB_NOTIFY_SUCCESS.code()) {
            clientNotifyHandler.handleSuccess(results);
            result.set(true);
          }
 else {
            result.set(false);
          }
        }
  finally {
          latch.countDown();
        }
      }
    }
);
    try {
      latch.await(Constants.LATCH_TIMEOUT_MILLIS,TimeUnit.MILLISECONDS);
    }
 catch (    InterruptedException e) {
      throw new RequestTimeoutException(e);
    }
  }
 catch (  RemotingSendException e) {
    LOGGER.error("String_Node_Str",e);
  }
  return result.get() == null ? false : result.get();
}