错误提示:
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/erp]]
把停止运行服务器,把tomcat里面的work目录删掉,进入tomcat里面的webapp里面把相应的项目删掉,重新部署和运行项目也许能看到你希望的样子