如何使用jetty 9 maven插件使用deploy-war工作？

In jetty-9 the mvn jetty:deploy-war fails to start the web application. Maven just ends the build, while I expect it to block with a running jetty server. According to the logging output the jetty maven plugin does start a connector on port 8080, and it starts the WebAppContext. It seems to fail binding the port to the context though. fails to st