Program: 37744
Project: 37744
Buggy source:
@Get("String_Node_Str") @SuppressWarnings("String_Node_Str") public Map<Long,Object> getMeters(){
  Map<Long,Object> response=new HashMap<>();
  String switchId=(String)this.getRequestAttributes().get("String_Node_Str");
  logger.debug("String_Node_Str",switchId);
  ISwitchManager switchManager=(ISwitchManager)getContext().getAttributes().get(ISwitchManager.class.getCanonicalName());
  try {
    OFMeterConfigStatsReply replay=switchManager.dumpMeters(DatapathId.of(switchId));
    logger.debug("String_Node_Str",switchId,replay);
    if (replay != null) {
      for (      OFMeterConfig entry : replay.getEntries()) {
        response.put(entry.getMeterId(),entry);
      }
    }
  }
 catch (  UnsupportedSwitchOperationException ex) {
    String messageString="String_Node_Str";
    logger.error("String_Node_Str",messageString,switchId,ex);
    MessageError responseMessage=new MessageError(DEFAULT_CORRELATION_ID,System.currentTimeMillis(),ErrorType.PARAMETERS_INVALID.toString(),messageString,ex.getMessage());
    response.putAll(MAPPER.convertValue(responseMessage,Map.class));
    getResponse().setStatus(Status.SERVER_ERROR_NOT_IMPLEMENTED);
  }
catch (  IllegalArgumentException|SwitchOperationException exception) {
    String messageString="String_Node_Str";
    logger.error("String_Node_Str",messageString,switchId,exception);
    MessageError responseMessage=new MessageError(CorrelationContext.getId(),System.currentTimeMillis(),ErrorType.PARAMETERS_INVALID.toString(),messageString,exception.getMessage());
    response.putAll(MAPPER.convertValue(responseMessage,Map.class));
    getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
  }
  return response;
}

Fixed version (ground truth):
@Get("String_Node_Str") @SuppressWarnings("String_Node_Str") public Map<Long,Object> getMeters(){
  Map<Long,Object> response=new HashMap<>();
  String switchId=(String)this.getRequestAttributes().get("String_Node_Str");
  logger.debug("String_Node_Str",switchId);
  ISwitchManager switchManager=(ISwitchManager)getContext().getAttributes().get(ISwitchManager.class.getCanonicalName());
  try {
    OFMeterConfigStatsReply replay=switchManager.dumpMeters(DatapathId.of(switchId));
    logger.debug("String_Node_Str",switchId,replay);
    if (replay != null) {
      for (      OFMeterConfig entry : replay.getEntries()) {
        response.put(entry.getMeterId(),entry);
      }
    }
  }
 catch (  UnsupportedSwitchOperationException ex) {
    String messageString="String_Node_Str";
    logger.error("String_Node_Str",messageString,switchId,ex);
    MessageError responseMessage=new MessageError(CorrelationContext.getId(),System.currentTimeMillis(),ErrorType.PARAMETERS_INVALID.toString(),messageString,ex.getMessage());
    response.putAll(MAPPER.convertValue(responseMessage,Map.class));
    getResponse().setStatus(Status.SERVER_ERROR_NOT_IMPLEMENTED);
  }
catch (  IllegalArgumentException|SwitchOperationException exception) {
    String messageString="String_Node_Str";
    logger.error("String_Node_Str",messageString,switchId,exception);
    MessageError responseMessage=new MessageError(CorrelationContext.getId(),System.currentTimeMillis(),ErrorType.PARAMETERS_INVALID.toString(),messageString,exception.getMessage());
    response.putAll(MAPPER.convertValue(responseMessage,Map.class));
    getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
  }
  return response;
}