4.0.0 org.eclipse.jetty.ee9.websocket jetty-ee9-websocket 12.0.8 jetty-ee9-websocket-servlet EE9 :: Websocket :: Servlet ${project.groupId}.servlet org.eclipse.jetty.ee9 jetty-ee9-servlet org.eclipse.jetty.websocket jetty-websocket-core-server org.slf4j slf4j-api org.eclipse.jetty jetty-slf4j-impl test org.eclipse.jetty.toolchain jetty-test-helper test