MySQL自動關閉鏈接致使DBCP報錯

長時間不操做頁面後，再操做時程序就會報錯，異常以下：html   com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:Communications link failurejava Thelast packet successfully received from the server was 8,064,672 milliseconds

>>阅读原文<<