2018-12-13 10:37:21,412 ERROR [localhost-startStop-2] c.a.d.s.DruidDataSourceStatManager [DruidDataSourceStatManager.java : 211] unregister mbean error
javax.management.InstanceNotFoundException: com.alibaba.druid:type=DruidDataSourceStat
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
at com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
at com.alibaba.druid.stat.DruidDataSourceStatManager.removeDataSource(DruidDataSourceStatManager.java:209)
at com.alibaba.druid.pool.DruidDataSource$2.run(DruidDataSource.java:1853)
at java.security.AccessController.doPrivileged(Native Method)
at com.alibaba.druid.pool.DruidDataSource.unregisterMbean(DruidDataSource.java:1849)
at com.alibaba.druid.pool.DruidDataSource.close(DruidDataSource.java:1808)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
出现上述问题只要
在 application.properties 中添加 spring.jmx.default-domain=唯一名称（两个项目名字不一样就可以）