这是什么原因呢?
[** END NESTED EXCEPTION **
Last packet sent to the server was 1 ms ago.
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2586)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2874)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1623)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1715)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3243)
at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5371)
at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:547)
at com.alibaba.druid.filter.FilterAdapter.connection_setAutoCommit(FilterAdapter.java:967)
at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:543)
at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.setAutoCommit(ConnectionProxyImpl.java:308)
at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:701)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:72)
... 39 more
http://hi.baidu.com/injava/item/fae56b2f54b7cb0f73863e42
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