Hi,

[1] has mentions that Chrome does not support localhost to go through the
Access-Control-Allow-Origin, therefore we need to map localhost to a
different domain. Further details regarding this issue in chrome is
discussed in [2].

Can this be any help for you?

[1]
http://stackoverflow.com/questions/28547288/no-access-control-allow-origin-header-is-present-on-the-requested-resource-err
[2] https://code.google.com/p/chromium/issues/detail?id=67743

Thanks.

On Tue, Nov 24, 2015 at 9:59 PM, Fazlan Nazeem <fazl...@wso2.com> wrote:

> Hi,
>
> I need cross origin support for a REST API. In order to achieve it I am
> trying to set the following headers in the response.
>
>> "Access-Control-Allow-Origin", "*"
>> "Access-Control-Allow-Headers","*"
>> "Access-Control-Allow-Methods","GET, POST, DELETE"
>
>
>
> My current implementation is as follows.
>
> in web.xml
>
>> <filter>
>> <filter-name>CorsFilter</filter-name>
>> <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
>> </filter>
>>
>
>
>> <filter-mapping>
>> <filter-name>CorsFilter</filter-name>
>> <url-pattern>/*</url-pattern>
>
>    </filter-mapping>
>
>>
>>
>
> the Rest implementation
>
> @Path("/datasets")public class DatasetApiV10 extends MLRestAPI {
>
>   @OPTIONS
>     public Response options() {
>         return  Response.ok().header("Access-Control-Allow-Origin", 
> "*").header("Access-Control-Allow-Headers","*").header("Access-Control-Allow-Methods","GET,
>  POST, DELETE").build();
>     }
>
> Cross origin headers are *not set *in the response header when a cross
> origin call is made, but those headers are *set* when I do a local
> OPTIONS call for the API using cURL or a REST client.
>
> Following is the error message I am getting in chrome console.
>
> XMLHttpRequest cannot load https://localhost:9443/api/datasets. Response
> to preflight request doesn't pass access control check: No
> 'Access-Control-Allow-Origin' header is present on the requested resource.
> Origin 'http://localhost:8080' is therefore not allowed access. The
> response had HTTP status code 403
>
>
> Any suggestion to solve this issue?
>
>
> --
> Thanks & Regards,
>
> Fazlan Nazeem
>
> *Software Engineer*
>
> *WSO2 Inc*
> Mobile : +94772338839
> <%2B94%20%280%29%20773%20451194>
> fazl...@wso2.com
>
> _______________________________________________
> Dev mailing list
> Dev@wso2.org
> http://wso2.org/cgi-bin/mailman/listinfo/dev
>
>


-- 
Best Regards,

*Thilini Cooray*
Software Engineer
Mobile : +94 (0) 774 570 112 <%2B94%20%280%29%20773%20451194>
E-mail : thili...@wso2.com

WSO2 Inc. www.wso2.com
lean.enterprise.middleware
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