4.0.0 com.baeldung java-websocket war 0.0.1-SNAPSHOT java-websocket Maven Webapp http://maven.apache.org com.baeldung parent-modules 1.0.0-SNAPSHOT javax.websocket javax.websocket-api ${javax.websocket-api.version} provided com.google.code.gson gson ${gson.version} UTF-8 1.1 2.8.0