topic Re: Exception Handling in java service task in Alfresco Archive

Exception Handling in java service task

prash_aggarwal — Tue, 06 Sep 2016 11:32:39 GMT

Hi,I have a java service task to check the file type validity, i perform this check and want to throw an exception with message like "Uploaded file type application/pd not supported" if(!fileTypeValid) throw new ABCException("Uploaded file type " + fileType +" not supported");The sta

Re: Exception Handling in java service task

prash_aggarwal — Tue, 06 Sep 2016 14:17:46 GMT

Is this a good way to return the actual message i wanted to return to webapp?
@ExceptionHandler({ActivitiException.class})
    public ResponseEntity<ErrorResponse> handleActivitiException(ActivitiException e){
ErrorResponse error = new ErrorResponse();
error.setErrorCode(HttpStatus.BAD_REQUEST.value());
Throwable realCause = findTheRealCause(e);
error.setMessage(realCause.getMessage());
String errorId = UUID.randomUUID().toString();
error.setErrorId(errorId);
LOG.error(error.toString());
return new ResponseEntity<ErrorResponse>(error, HttpStatus.BAD_REQUEST);

    }

Re: Exception Handling in java service task

jbarrez — Thu, 08 Sep 2016 09:45:48 GMT

Yes - if the exception happens in resolving the expression, i think it's the only way.
An alternative could be to catch the exception in the delegate, throw a BpmnError and handle it explicitely in the BPMN process.