异常: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly
MySQL Group Replication START GROUP_REPLICATION启动时报错 2018-11-02T14:50:23.337291+08:00 8 [Note] Slave SQL thread for channel 'group_replication_applier' initialized, starting replication in log