说来惭愧,MySQL一直处于只会用,不怎么理解的阶段。甚至是一些较为深层次的管理,都不怎么熟悉,得加强啊!
近日,系统测试,使用MySQL数据库,需要在某个表上创建触发器,数据库是在本机安装。但是,无论如何都无法创建触发器,后台错误信息如下:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: TRIGGER command denied to user ‘root‘@‘mortimer-PC‘ for table ‘t_user‘ at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) at com.mysql.jdbc.Util.getInstance(Util.java:386) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2490) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2651) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2677) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2627) at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:841) at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:681) at com.apusic.jdbc.adapter.StatementHandle.execute(Unknown Source) at com.apusic.esb.base.util.SQLUtil.createDBObjectIfNecessary(SQLUtil.java:263) at com.apusic.esb.base.util.SQLUtil.createDBObjectIfNecessary(SQLUtil.java:225) at com.apusic.esb.config.trigger.mysql.MySqlTriggerManager.createTriggersIfNecessary(MySqlTriggerManager.java:83) at com.apusic.esb.config.trigger.TriggerConfigManager.deploy(TriggerConfigManager.java:331) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.apusic.esb.base.communication.CommInvokeUtil.invoke(CommInvokeUtil.java:139) at com.apusic.esb.base.communication.CommInvokeUtil.invoke(CommInvokeUtil.java:43) at com.apusic.esb.base.communication.CommInvokeUtil.invoke(CommInvokeUtil.java:27) at com.apusic.esb.base.communication.socket.server.CommSocketServer$RequestProcessor.run(CommSocketServer.java:99) at com.apusic.util.ThreadPoolImpl$WorkerThread.run(Unknown Source) 2014-06-25 10:38:42 错误 [apusic.com.apusic.esb.config.trigger.TriggerConfigManager] com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: TRIGGER command denied to user ‘root‘@‘mortimer-PC‘ for table ‘t_user‘ at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) at com.mysql.jdbc.Util.getInstance(Util.java:386) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2490) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2651) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2677) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2627) at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:841) at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:681) at com.apusic.jdbc.adapter.StatementHandle.execute(Unknown Source) at com.apusic.esb.base.util.SQLUtil.createDBObjectIfNecessary(SQLUtil.java:263) at com.apusic.esb.base.util.SQLUtil.createDBObjectIfNecessary(SQLUtil.java:225) at com.apusic.esb.config.trigger.mysql.MySqlTriggerManager.createTriggersIfNecessary(MySqlTriggerManager.java:83) at com.apusic.esb.config.trigger.TriggerConfigManager.deploy(TriggerConfigManager.java:331) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.apusic.esb.base.communication.CommInvokeUtil.invoke(CommInvokeUtil.java:139) at com.apusic.esb.base.communication.CommInvokeUtil.invoke(CommInvokeUtil.java:43) at com.apusic.esb.base.communication.CommInvokeUtil.invoke(CommInvokeUtil.java:27) at com.apusic.esb.base.communication.socket.server.CommSocketServer$RequestProcessor.run(CommSocketServer.java:99) at com.apusic.util.ThreadPoolImpl$WorkerThread.run(Unknown Source)
分析错误信息:TRIGGER command denied to user ‘root‘@‘mortimer-PC‘ for table ‘t_user‘,看起来是不允许root用户在t_user表上执行TRIGGER命令,为啥不允许?
分析下,首先怀疑是否驱动的问题,因为,驱动确实存在不匹配的问题,驱动的版本较低(针对5.0),而服务器版本为5.5,替换驱动之后问题依旧。
其次,分析错误信息本身,不允许执行神马命令,看起来貌似是权限问题,Navicat连接数据库,查看用户权限,发现用户“[email protected]%”的“Trigger”一栏未选中!而此次连接的用户,看起来是“[email protected]”,因此,“[email protected]”的规则,貌似不会生效,估计是此原因,造成无法创建触发器。
调整“[email protected]%”用户的权限,选中“Trigger”栏,重启MySQL服务,重新连接MySQL,创建触发器,OK!
MySQL用户权限导致的创建Trigger失败
时间: 2024-12-24 18:49:19