@Controller
@RequestMapping(value="/example")
public class ExampleController {

	@RequestMapping(value = "", method = RequestMethod.POST)
	@ResponseBody
	public void example() throws Exception{
		System.out.println("in the example function");
		throw new Exception("a new Exception");
	}

	@ExceptionHandler(Exception.class)
	@ResponseBody
	public Map<String,String> errorResponse(Exception ex, HttpServletResponse response){
		Map<String,String> errorMap = new HashMap<String,String>();
		errorMap.put("errorMessage",ex.getMessage());

		StringWriter sw = new StringWriter();
		PrintWriter pw = new PrintWriter(sw);
		ex.printStackTrace(pw);
		String stackTrace = sw.toString();

		errorMap.put("errorStackTrace", stackTrace);
		response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());

		return errorMap;

	}
}