启动jeecg报错这个错误 求解

开奔驰遛宝马

[net.sf.ehcache.distribution.RMICacheManagerPeerListener]Explicitly setting the listener hostname to 'localhost' is not recommended. It will only work if all CacheManager peers are on the same machine.
[com.alibaba.druid.pool.DruidDataSource]create connection holder error
java.sql.SQLException: Could not retrieve transation read-only status server
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:951)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:941)
        at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3946)
        at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3917)
        at com.alibaba.druid.filter.FilterChainImpl.connection_isReadOnly(FilterChainImpl.java:377)
        at com.alibaba.druid.filter.FilterAdapter.connection_isReadOnly(FilterAdapter.java:875)
        at com.alibaba.druid.filter.FilterChainImpl.connection_isReadOnly(FilterChainImpl.java:374)
        at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.isReadOnly(ConnectionProxyImpl.java:210)
        at com.alibaba.druid.pool.DruidConnectionHolder.<init>(DruidConnectionHolder.java:69)
        at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1246)
Caused by: java.sql.SQLException: Unknown system variable 'tx_read_only'
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4237)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4169)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2617)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2819)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2768)
        at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1612)
        at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3940)
        ... 7 more