After checking status of request to void method resteasy should pass it to registered ClientErrorInterceptor and not throw Bad request.

This issue related to RESTEASY-435
DefaultEntityExtractorFactory.java line 49 should be changed to

      try
      {
         context.getClientResponse().checkFailureStatus();
      }
      catch (RuntimeException e)
      {
         context.getErrorHandler().clientErrorHandling(response, e);
      }