4.0.0 com.heibaiying spring-websocket 1.0-SNAPSHOT org.apache.maven.plugins maven-compiler-plugin 8 8 5.1.3.RELEASE org.springframework spring-context ${spring-base-version} org.springframework spring-beans ${spring-base-version} org.springframework spring-core ${spring-base-version} org.springframework spring-web ${spring-base-version} org.springframework spring-webmvc ${spring-base-version} javax.servlet javax.servlet-api 4.0.1 provided org.springframework spring-websocket 5.1.3.RELEASE