AbpApiExceptionFilterAttribute - A value is required but was not present in the request

Asked Sep 29 '18 at 00:16

Active Sep 29 '18 at 00:16

Viewed 1,433 times

I have a webapi controller like below:

[ResponseType(typeof(SampleDto))]
public IHttpActionResult GetSample(string name, string guid)

and the request take name and guid as query string like: http://www.example.com/api/Controller1/GetSample?name=james&guid=

the guid is empty.

When I issue the request, there is an Error:

WARN  2018-09-29 07:04:21,361 [18   ] nHandling.AbpApiExceptionFilterAttribute - Method arguments are not valid! See ValidationErrors for details.
Abp.Runtime.Validation.AbpValidationException: Method arguments are not valid! See ValidationErrors for details.
WARN  2018-09-29 07:04:21,361 [18   ] nHandling.AbpApiExceptionFilterAttribute - There are 2 validation errors:
WARN  2018-09-29 07:04:21,361 [18   ] nHandling.AbpApiExceptionFilterAttribute - A value is required but was not present in the request. (guid.String)
WARN  2018-09-29 07:04:21,361 [18   ] nHandling.AbpApiExceptionFilterAttribute - A value is required but was not present in the request. (guid.String)

Where can I change the validation rule?

asked Sep 29 '18 at 00:16

James Hao

you can declare the method as `public IHttpActionResult GetSample(string name, string guid = string.Empty)`, to make it optional – Vivek Nuna Sep 29 '18 at 05:50
Is the breakpoint hitting this method ? – Vivek Nuna Sep 29 '18 at 05:58
the method cannot be called at all. – James Hao Sep 29 '18 at 08:43
Possible duplicate of [WebApi optional parameter - is required?](https://stackoverflow.com/questions/13893793/webapi-optional-parameter-is-required) – aaron Sep 29 '18 at 13:41
Correct way: `http://www.example.com/api/Controller1/GetSample?name=james` without `&guid=` – aaron Sep 29 '18 at 13:42
solved if change client code which is not what I want. – James Hao Oct 06 '18 at 14:52

AbpApiExceptionFilterAttribute - A value is required but was not present in the request

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