'org.apache.tomcat.embed:tomcat-embed-websocket:9.0.0.M1'
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-websocket</artifactId>
<version>9.0.0.M1</version>
</dependency>
<dependency org="org.apache.tomcat.embed" name="tomcat-embed-websocket" rev="9.0.0.M1"/>
"org.apache.tomcat.embed", "tomcat-embed-websocket", "9.0.0.M1"