内容描述
在同一个tomcat部署多个打包成war包的项目导致启动失败，报错如下：

报错信息

Error starting ApplicationContext. 
To display the conditions report re-run your application with 'debug' enabled.
24-Dec-2018 15:43:04.190 严重 [localhost-startStop-1] org.springframework.boot.SpringApplication.reportFailure Application run failed org.springframework.
jmx.export.UnableToRegisterMBeanException: 
Unable to register MBean [com.alibaba.druid.filter.stat.StatFilter@78f7aca0] with key 'statFilter'; 
nested exception isjavax.management.InstanceAlreadyExistsException: 
com.alibaba.druid.filter.stat:name=statFilter,type=StatFilter

 

解决方案
在项目的的application.properties(yml)文件中配置：

spring.jmx.enabled=false