java - Websphere v8.5.5 where to add the api visibility in the server.xml of the server -

hello hosting restful webservice via inbuilt jax-rs of websphere.everything seems good.but when try return json response throws error unsupported media type 415. after spending time on found

 <application  location="${server.config.dir}/dropins/my-war-snapshot.war"  id="mywar" name="mywar" type="war">  <classloader apitypevisibility="spec,ibm-api,api,third-party"/> </application> 

should added server.xml of server.i have opened server.xml , added snippet near last tag server crashed.

client

@path("/books") @consumes(mediatype.application_json) public class libraryserviceimpl implements libraryservice {  private librarydao libdao = new libraryimpl();  @path("/getbooks") @produces(mediatype.application_json) @get public response getbooks(@queryparam("format") string format)         throws sqlexception {     return response.status(status.ok).entity(new genericentity<list<book>>(libdao.getallbooks()) {}).build(); } 

web xml

<?xml version="1.0" encoding="utf-8"?><web-app xmlns="http://java.sun.com/xml/ns/javaee"  xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xsi:schemalocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <display-name>sample</display-name> <servlet>     <description>     jax-rs tools generated - not modify</description>     <servlet-name>jax-rs servlet</servlet-name>     <servlet-class>com.ibm.websphere.jaxrs.server.ibmrestservlet</servlet-class>     <init-param>         <param-name>javax.ws.rs.application</param-name>         <param-value>com.nag.application.config</param-value>     </init-param>     <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping>     <servlet-name>jax-rs servlet</servlet-name>     <url-pattern>/*</url-pattern> </servlet-mapping> 

where can add snippet , how?please me out of this.

thank you

my issue got resolved removing

@consumes(mediatype.application_json) 

from class.