问题:tomcat启动失败
问题描述:启动Tomcat时弹出
[ com.mongodb.ConnectionStatus$UpdatableNode update
警告: Server seen down: /127.0.0.1:27017 - java.io.IOException - message: couldn't connect to [/127.0.0.1:27017] bc:java.net.ConnectException: Connection refused: connect]