@PathParam = null

Question

Hi I've been checking lots of posts already but I havent found the problem that's happening with me. My PathParam always is null, can anyone tell me what might be the issue

Imports in interface:

import javax.servlet.http.HttpServletRequest; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.MediaType;

Interface:

@RequestMapping(value="/unhash/{hash}", method = RequestMethod.GET) @Produces({ MediaType.TEXT_XML, MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON }) @ResponseBody Token decryptToken(@PathParam("hash") String token, HttpServletRequest request) throws APIException;

And the implementation:

@Override public Token decryptToken(String token, HttpServletRequest request) throws APIException {

I seen nothing strange here, it's working fine for queryparams. Any ideas? I am of confuse.

Why are you mixing Spring with JAX-RS annotations? Which one are you really trying to use? — Paul Samsotha
– Paul Samsotha, Commented Nov 13, 2015 at 14:47
If you're trying to use JAX-RS, remove @ResponseBody, remove @RequestMapping, add @GET and use @Path("/unhash/{hash}"). If you're trying to use Spring, get rid of @PathParam and use @PathVariable. and get rid of @Produces, and add produces in the @RequestMapping annotation. — Paul Samsotha
– Paul Samsotha, Commented Nov 13, 2015 at 14:49
I would probably get rid of all the JAX-RS dependencies if you're not going to use them, so you don't get confused — Paul Samsotha
– Paul Samsotha, Commented Nov 13, 2015 at 15:02

theMind · Accepted Answer · 2015-11-16 09:01:51Z

How you are calling your service and why you are sending HttpServletRequest parameter? I implemented your scenario using Jersey without HttpServletRequest. And i called service with service/unhash/xxx. It is works fine.

@Path("/service") public class MyFirstRestService implements Rest { @Override public Response decryptToken(String token) throws Exception { // TODO Auto-generated method stub String output="It is success- Path Pram : "+ token; return Response.ok(output).build(); }

Rest.class :

public interface Rest { @GET @Path(value="/unhash/{hash}") @Produces({ MediaType.TEXT_XML, MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON }) Response decryptToken(@PathParam("hash") String token) throws Exception; }

go to http://www.javawebservice.com for more information and example

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