web services - How to handle Internal Server Error in REST API using JAVA? -

i have create class handle runtime exception throws during service call , code

@override public response toresponse(webapplicationexception exception) {     response response=exception.getresponse();     if(response.getstatus()==400)         return response.status(response.status.bad_request).entity("invalid data format. please enter data in xml format").build();     else if(response.getstatus()==403)         return response.status(response.status.forbidden).entity("you not authorize access resource").build();     else if(response.getstatus()==500)         return response.status(response.status.internal_server_error).entity("internal server error has occured.please check wheather have passed valid data or not").build();     else if(response.getstatus()==404)         return response.status(response.status.not_found).entity("invalid url. please enter valid url").build();     else if(response.getstatus()==415)         return response.status(response.status.unsupported_media_type).entity("invalid media type. please select correct media type").build();     else if(response.getstatus()==503)         return response.status(response.status.service_unavailable).entity("server not available. please try after time").build();     else         return response.status(response.status.ok).entity("").build(); } 

my problem handles other exception throws during service calls except internal server error. please me how handle internal server error during run time in rest.

thanks in advance

i don't know webserver using, long adheres jee specs handle in web.xml:

<error-page>
    <error-code>500</error-code>
    <location>/path/to/myerrorpage.html</location>
</error-page>