偶尔会Last packet sent to the server was 1 ms ago - JEECMS官方论坛|开源java cms,jsp cms,jsp bbs

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1# 发表于:2010-12-22 17:13:16 IP:113.0.*.*

程序几十次访问一次，会有一次报这样的错误请版主看看

Last packet sent to the server was 1 ms ago.
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2622) [mysql.jar:na]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) [mysql.jar:na]
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631) [mysql.jar:na]
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723) [mysql.jar:na]
at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) [mysql.jar:na]
at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5442) [mysql.jar:na]
at com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:881) [c3p0-0.9.1.2.jar:0.9.1.2]
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:91) [hibernate-core-3.3.1.jar:3.3.1.GA]
... 53 common frames omitted

2010-12-22 04:54 ERROR o.h.t.JDBCTransaction - JDBC begin failed
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.io.EOFException
MESSAGE: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.

STACKTRACE: