An internal error occurred during: "Updating status for Tomcat v7.0 Server at localhost..."

tomcat启动maven工程的时候提示如下错误信息：

An internal error occurred during: "Updating status for Tomcat v7.0 Server at localhost..."

java.lang.NullPointerException

因为maven的包中有依赖api,core 等包，需要将该project添加进来即可