[ https://issues.jboss.org/browse/WFLY-9643?page=com.atlassian.jira.plugin.... ] Marek Kopecký updated WFLY-9643: -------------------------------- Steps to Reproduce: 1) create a rest service {code:java} @RestController @RequestMapping({"security/testController"}) public class TestController { @RequestMapping(value={"/applicationList"}, method={org.springframework.web.bind.annotation.RequestMethod.GET}, headers={"Accept=application/xml"} , produces=MediaType.APPLICATION_JSON_VALUE) public TreeDataProvider getListOfApplication() { return new TreeDataProvider(); } } {code} 2) Create a Spring interceptor and throw an exception 3) create a spring exception handler to return exception as json was: 1) create a rest service @RestController @RequestMapping({"security/testController"}) public class TestController { @RequestMapping(value={"/applicationList"}, method={org.springframework.web.bind.annotation.RequestMethod.GET}, headers={"Accept=application/xml"} , produces=MediaType.APPLICATION_JSON_VALUE) public TreeDataProvider getListOfApplication() { return new TreeDataProvider(); } } 2) Create a Spring interceptor and throw an exception 3) create a spring exception handler to return exception as json -- This message was sent by Atlassian JIRA (v7.5.0#75005)