web服务器报的错误,看来是数据库出了问题,不晓得怎么搞,请大家看看,谢谢com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was159997 seconds ago.The last packet sent successfully to the server was 159997 seconds ago, which is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
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