Program: 90176
Project: 90176
Buggy source:
/** 
 * Initialize, and launch the job once it has been initialized.
 * @param ji the JobInfo object for the job to be launched
 * @throws CloudServiceException if there is any error in the job launch
 */
@Override public void launch(JobInfoElement ji) throws CloudServiceException {
  logger.info("String_Node_Str");
  init(ji);
  ProcessBuilder pb=new ProcessBuilder(args);
  String cWorkingDir=env.get("String_Node_Str") + File.separator + ji.getJobID();
  File userJobDir=new File(cWorkingDir);
  if (userJobDir.exists()) {
    String msg="String_Node_Str";
    ji.setJobStatus(JobStatus.FAILED,msg);
    logger.error(ji.getStatusMsg() + "String_Node_Str" + userJobDir.getAbsolutePath());
    throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg);
  }
  boolean resMkDir=userJobDir.mkdirs();
  if (!resMkDir) {
    String msg="String_Node_Str";
    ji.setJobStatus(JobStatus.FAILED,msg);
    logger.error(ji.getStatusMsg() + "String_Node_Str" + userJobDir.getAbsolutePath());
    throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg);
  }
  pb.directory(userJobDir);
  if ((ji.getAttachments() != null) && (ji.getAttachments().length > 0)) {
    for (int i=0; i < ji.getAttachments().length; i++) {
      FileAttachment attachment=ji.getAttachments()[i];
      if ((attachment.getName() == null) || (attachment.getName().isEmpty())) {
        String msg="String_Node_Str";
        logger.error(msg);
        throw new CloudServiceException(HttpURLConnection.HTTP_BAD_REQUEST,msg);
      }
      if (attachment.getData() == null) {
        String msg="String_Node_Str";
        logger.error(msg);
        throw new CloudServiceException(HttpURLConnection.HTTP_BAD_REQUEST,msg);
      }
      try {
        FileOutputStream output=new FileOutputStream(cWorkingDir + File.separator + attachment.getName());
        DataHandler inputHandler=attachment.getData();
        inputHandler.writeTo(output);
        output.close();
      }
 catch (      Exception e) {
        String msg="String_Node_Str" + attachment.getName();
        logger.error(msg);
        throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg);
      }
    }
  }
  Map<String,String> penv=pb.environment();
  penv.putAll(env);
  penv.put("String_Node_Str",cWorkingDir);
  penv.put("String_Node_Str",cWorkingDir + "String_Node_Str");
  int pid;
  try {
    Process proc=pb.start();
    pid=getProcessId(proc);
    ji.setProcessHandle(pid);
    JobMonitor jobMonitorThread=new JobMonitor(ji,cWorkingDir,proc);
    jobMonitorThread.start();
    ji.setJobStatus(JobStatus.RUNNING,"String_Node_Str");
  }
 catch (  IOException e) {
    String msg="String_Node_Str";
    logger.error(msg,e);
    ji.setJobStatus(JobStatus.FAILED,msg);
    throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg,e);
  }
  logger.info("String_Node_Str" + pid);
}

Fixed version (ground truth):
/** 
 * Initialize, and launch the job once it has been initialized.
 * @param ji the JobInfo object for the job to be launched
 * @throws CloudServiceException if there is any error in the job launch
 */
@Override public void launch(JobInfoElement ji) throws CloudServiceException {
  logger.info("String_Node_Str");
  init(ji);
  ProcessBuilder pb=new ProcessBuilder(args);
  String cWorkingDir=env.get("String_Node_Str") + File.separator + ji.getJobID();
  File userJobDir=new File(cWorkingDir);
  if (userJobDir.exists()) {
    String msg="String_Node_Str";
    ji.setJobStatus(JobStatus.FAILED,msg);
    logger.error(ji.getStatusMsg() + "String_Node_Str" + userJobDir.getAbsolutePath());
    throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg);
  }
  boolean resMkDir=userJobDir.mkdirs();
  if (!resMkDir) {
    String msg="String_Node_Str";
    ji.setJobStatus(JobStatus.FAILED,msg);
    logger.error(ji.getStatusMsg() + "String_Node_Str" + userJobDir.getAbsolutePath());
    throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg);
  }
  pb.directory(userJobDir);
  if ((ji.getAttachments() != null) && (ji.getAttachments().length > 0)) {
    for (int i=0; i < ji.getAttachments().length; i++) {
      FileAttachment attachment=ji.getAttachments()[i];
      if ((attachment.getName() == null) || (attachment.getName().isEmpty())) {
        String msg="String_Node_Str";
        logger.error(msg);
        throw new CloudServiceException(HttpURLConnection.HTTP_BAD_REQUEST,msg);
      }
      if (attachment.getData() == null) {
        String msg="String_Node_Str";
        logger.error(msg);
        throw new CloudServiceException(HttpURLConnection.HTTP_BAD_REQUEST,msg);
      }
      try {
        FileOutputStream output=new FileOutputStream(cWorkingDir + File.separator + attachment.getName());
        DataHandler inputHandler=attachment.getData();
        inputHandler.writeTo(output);
        output.close();
      }
 catch (      IOException e) {
        String msg="String_Node_Str" + attachment.getName();
        logger.error(msg);
        throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg);
      }
    }
  }
  Map<String,String> penv=pb.environment();
  penv.putAll(env);
  penv.put("String_Node_Str",cWorkingDir);
  penv.put("String_Node_Str",cWorkingDir + "String_Node_Str");
  int pid;
  try {
    Process proc=pb.start();
    pid=getProcessId(proc);
    ji.setProcessHandle(pid);
    JobMonitor jobMonitorThread=new JobMonitor(ji,cWorkingDir,proc);
    jobMonitorThread.start();
    ji.setJobStatus(JobStatus.RUNNING,"String_Node_Str");
  }
 catch (  IOException e) {
    String msg="String_Node_Str";
    logger.error(msg,e);
    ji.setJobStatus(JobStatus.FAILED,msg);
    throw new CloudServiceException(HttpURLConnection.HTTP_INTERNAL_ERROR,msg,e);
  }
  logger.info("String_Node_Str" + pid);
}