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

tomcat啟動maven工程的時候提示如下錯誤資訊：

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

java.lang.NullPointerException

因為maven的包中有依賴api,core 等包，需要将該project添加進來即可