Program: 105246
Project: 105246
Buggy source:
@Override public void runJob(AsyncJob job){
  VmWork work=null;
  try {
    String cmd=job.getCmd();
    assert(cmd != null);
    Class<?> workClz=null;
    try {
      workClz=Class.forName(job.getCmd());
    }
 catch (    ClassNotFoundException e) {
      s_logger.error("String_Node_Str" + cmd + "String_Node_Str"+ "String_Node_Str"+ job.getRelated(),e);
      _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,e.getMessage());
      return;
    }
    work=VmWorkSerializer.deserialize(workClz,job.getCmdInfo());
    assert(work != null);
    if (work == null) {
      s_logger.error("String_Node_Str" + job.getCmd() + "String_Node_Str"+ job.getCmdInfo()+ "String_Node_Str"+ job.getRelated());
      _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,"String_Node_Str");
      return;
    }
    if (s_logger.isDebugEnabled())     s_logger.debug("String_Node_Str" + cmd + "String_Node_Str"+ work.getVmId()+ "String_Node_Str"+ job.getRelated());
    try {
      if (_handlers == null || _handlers.isEmpty()) {
        s_logger.error("String_Node_Str" + job.getCmd() + "String_Node_Str"+ job.getCmdInfo()+ "String_Node_Str"+ job.getRelated());
        _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,"String_Node_Str");
        return;
      }
      VmWorkJobHandler handler=_handlers.get(work.getHandlerName());
      if (handler == null) {
        s_logger.error("String_Node_Str" + work.getHandlerName() + "String_Node_Str"+ job.getCmd()+ "String_Node_Str"+ job.getCmdInfo()+ "String_Node_Str"+ job.getRelated());
        _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,"String_Node_Str");
        return;
      }
      CallContext.register(work.getUserId(),work.getAccountId());
      try {
        Pair<JobInfo.Status,String> result=handler.handleVmWorkJob(work);
        _asyncJobMgr.completeAsyncJob(job.getId(),result.first(),0,result.second());
      }
  finally {
        CallContext.unregister();
      }
    }
  finally {
      if (s_logger.isDebugEnabled())       s_logger.debug("String_Node_Str" + cmd + "String_Node_Str"+ work.getVmId()+ "String_Node_Str"+ job.getRelated());
    }
  }
 catch (  InvalidParameterValueException e) {
    s_logger.error("String_Node_Str" + job + "String_Node_Str"+ job.getRelated());
    _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,_asyncJobMgr.marshallResultObject(e));
  }
catch (  Throwable e) {
    s_logger.error("String_Node_Str" + job + "String_Node_Str"+ job.getRelated(),e);
    _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,_asyncJobMgr.marshallResultObject(e));
  }
}

Fixed version (ground truth):
@Override public void runJob(AsyncJob job){
  VmWork work=null;
  try {
    String cmd=job.getCmd();
    assert(cmd != null);
    Class<?> workClz=null;
    try {
      workClz=Class.forName(job.getCmd());
    }
 catch (    ClassNotFoundException e) {
      s_logger.error("String_Node_Str" + cmd + "String_Node_Str"+ "String_Node_Str"+ job.getRelated(),e);
      _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,e.getMessage());
      return;
    }
    work=VmWorkSerializer.deserialize(workClz,job.getCmdInfo());
    if (work == null) {
      s_logger.error("String_Node_Str" + job.getCmd() + "String_Node_Str"+ job.getCmdInfo()+ "String_Node_Str"+ job.getRelated());
      _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,"String_Node_Str");
      return;
    }
    if (s_logger.isDebugEnabled())     s_logger.debug("String_Node_Str" + cmd + "String_Node_Str"+ work.getVmId()+ "String_Node_Str"+ job.getRelated());
    try {
      if (_handlers == null || _handlers.isEmpty()) {
        s_logger.error("String_Node_Str" + job.getCmd() + "String_Node_Str"+ job.getCmdInfo()+ "String_Node_Str"+ job.getRelated());
        _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,"String_Node_Str");
        return;
      }
      VmWorkJobHandler handler=_handlers.get(work.getHandlerName());
      if (handler == null) {
        s_logger.error("String_Node_Str" + work.getHandlerName() + "String_Node_Str"+ job.getCmd()+ "String_Node_Str"+ job.getCmdInfo()+ "String_Node_Str"+ job.getRelated());
        _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,"String_Node_Str");
        return;
      }
      CallContext.register(work.getUserId(),work.getAccountId());
      try {
        Pair<JobInfo.Status,String> result=handler.handleVmWorkJob(work);
        _asyncJobMgr.completeAsyncJob(job.getId(),result.first(),0,result.second());
      }
  finally {
        CallContext.unregister();
      }
    }
  finally {
      if (s_logger.isDebugEnabled())       s_logger.debug("String_Node_Str" + cmd + "String_Node_Str"+ work.getVmId()+ "String_Node_Str"+ job.getRelated());
    }
  }
 catch (  InvalidParameterValueException e) {
    s_logger.error("String_Node_Str" + job + "String_Node_Str"+ job.getRelated());
    _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,_asyncJobMgr.marshallResultObject(e));
  }
catch (  Throwable e) {
    s_logger.error("String_Node_Str" + job + "String_Node_Str"+ job.getRelated(),e);
    _asyncJobMgr.completeAsyncJob(job.getId(),JobInfo.Status.FAILED,0,_asyncJobMgr.marshallResultObject(e));
  }
}