Program: 188872
Project: 188872
Buggy source:
@Override public Integer call() throws Exception {
  CommandLine cmdLine;
  File scriptsDir=job.getScriptsDir();
  String optionsFileName=OozieJob.optsFileName(job.getName());
  String runnerFileName=OozieJob.runnerFileName(job.getName());
  if (WhiteStarWorkflowEngine.this.useSge) {
    cmdLine=new CommandLine("String_Node_Str");
    cmdLine.addArgument("String_Node_Str");
    cmdLine.addArgument("String_Node_Str");
    cmdLine.addArgument("String_Node_Str");
    cmdLine.addArgument(scriptsDir.getAbsolutePath() + "String_Node_Str" + optionsFileName);
  }
 else {
    cmdLine=new CommandLine("String_Node_Str");
  }
  cmdLine.addArgument(scriptsDir.getAbsolutePath() + "String_Node_Str" + runnerFileName);
  Executor executor=new DefaultExecutor();
  executor.setWorkingDirectory(scriptsDir);
  Log.stdoutWithTime("String_Node_Str" + cmdLine.toString());
  if (!WhiteStarWorkflowEngine.this.useSge) {
    String time=String.valueOf(System.currentTimeMillis()).substring(4);
    ByteArrayOutputStream outputStream=new ByteArrayOutputStream();
    ByteArrayOutputStream errorStream=new ByteArrayOutputStream();
    PumpStreamHandler streamHandler=new PumpStreamHandler(outputStream,errorStream);
    executor.setStreamHandler(streamHandler);
    try {
      executor.execute(cmdLine);
    }
 catch (    ExecuteException e) {
      throw rethrow(e);
    }
catch (    IOException e) {
      throw rethrow(e);
    }
 finally {
      FileUtils.write(new File(scriptsDir.getAbsolutePath() + "String_Node_Str" + job.getName()+ "String_Node_Str"+ time),outputStream.toString(),StandardCharsets.UTF_8);
      FileUtils.write(new File(scriptsDir.getAbsolutePath() + "String_Node_Str" + job.getName()+ "String_Node_Str"+ time),errorStream.toString(),StandardCharsets.UTF_8);
    }
  }
 else {
    executor.execute(cmdLine);
  }
  return 0;
}

Fixed version (ground truth):
@Override public Integer call() throws Exception {
  CommandLine cmdLine;
  File scriptsDir=job.getScriptsDir();
  String optionsFileName=OozieJob.optsFileName(job.getName());
  String runnerFileName=OozieJob.runnerFileName(job.getName());
  if (WhiteStarWorkflowEngine.this.useSge) {
    cmdLine=new CommandLine("String_Node_Str");
    cmdLine.addArgument("String_Node_Str");
    cmdLine.addArgument("String_Node_Str");
    cmdLine.addArgument("String_Node_Str");
    cmdLine.addArgument(scriptsDir.getAbsolutePath() + "String_Node_Str" + optionsFileName);
  }
 else {
    cmdLine=new CommandLine("String_Node_Str");
  }
  cmdLine.addArgument(scriptsDir.getAbsolutePath() + "String_Node_Str" + runnerFileName);
  Executor executor=new DefaultExecutor();
  executor.setWorkingDirectory(scriptsDir);
  Log.stdoutWithTime("String_Node_Str" + cmdLine.toString());
  if (!WhiteStarWorkflowEngine.this.useSge) {
    String time=String.valueOf(System.currentTimeMillis()).substring(4);
    ByteArrayOutputStream outputStream=new ByteArrayOutputStream();
    ByteArrayOutputStream errorStream=new ByteArrayOutputStream();
    PumpStreamHandler streamHandler=new PumpStreamHandler(outputStream,errorStream);
    executor.setStreamHandler(streamHandler);
    try {
      executor.execute(cmdLine);
    }
 catch (    ExecuteException e) {
      throw rethrow(e);
    }
catch (    IOException e) {
      throw rethrow(e);
    }
 finally {
      FileUtils.write(new File(scriptsDir.getAbsolutePath() + "String_Node_Str" + job.getName()+ "String_Node_Str"+ time),outputStream.toString(StandardCharsets.UTF_8.name()),StandardCharsets.UTF_8);
      FileUtils.write(new File(scriptsDir.getAbsolutePath() + "String_Node_Str" + job.getName()+ "String_Node_Str"+ time),errorStream.toString(StandardCharsets.UTF_8.name()),StandardCharsets.UTF_8);
    }
  }
 else {
    executor.execute(cmdLine);
  }
  return 0;
}