[ https://issues.jboss.org/browse/JBIDE-15526?page=com.atlassian.jira.plugi... ] Radoslav Rábara edited comment on JBIDE-15526 at 3/27/14 9:37 AM: ------------------------------------------------------------------ Reopened - The problem marker in application class doesn't disappear. My steps: STEP: Create Dynamic Web Project with JAX-RS support STEP: Create class extending Application: {code} import javax.ws.rs.ApplicationPath; import javax.ws.rs.core.Application; @ApplicationPath("/test") public class App extends Application { } {code} STEP: Insert servlet definition into web.xml: {code} <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <servlet-mapping> <servlet-name>javax.ws.rs.core.Application</servlet-name> <url-pattern>/path2/*</url-pattern> </servlet-mapping> <display-name>Test</display-name> </web-app> {code} ASSERT: There are 2 errors (Multiple JAX-RS Activators for both files) STEP: Comment servlet definition in web.xml ASSERT: There is no error FAIL: There is 1 error Multiple JAX-RS Activators are defined for the project. App.java was (Author: rrabara): The problem marker in application class doesn't disappear. My steps: STEP: Create Dynamic Web Project with JAX-RS support STEP: Create class extending Application: {code} import javax.ws.rs.ApplicationPath; import javax.ws.rs.core.Application; @ApplicationPath("/test") public class App extends Application { } {code} STEP: Insert servlet definition into web.xml: {code} <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <servlet-mapping> <servlet-name>javax.ws.rs.core.Application</servlet-name> <url-pattern>/path2/*</url-pattern> </servlet-mapping> <display-name>Test</display-name> </web-app> {code} ASSERT: There are 2 errors (Multiple JAX-RS Activators for both files) STEP: Comment servlet definition in web.xml ASSERT: There is no error FAIL: There is 1 error Multiple JAX-RS Activators are defined for the project. App.java -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira