More springboot items packed into war bag and put the wrong error message when run under tomcat:
Caused by: org.springframework.jmx.export.UnableToRegisterMBeanException: Unable to register MBean [com.alibaba.druid.filter.stat.StatFilter@4178572] with key 'statFilter
solution:
In addition to the first springboot project, we need to add the following sentence to configure the project in other springboot application.properties profile
spring.jmx.enabled=false