MySQL用户权限导致的创建Trigger失败

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MySQL用户权限导致的创建Trigger失败

来源: 作者: 时间:2016-01-27 10:28 【

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!

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,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..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?

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“root@%”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“root@%”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!

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