鏈榪戝仛嫻嬭瘯錛屽彂鐜癕ysql 榪囦竴孌墊椂闂翠細(xì)鏃犳硶榪炴帴錛屽鑷存暟鎹簱鏁版嵁涓嶄竴鑷籌紝鏋佸叾閮侀椃銆?/p>
涓嬮潰鏄漿涓鍝ラ棬鐨?/p>
浣跨敤Connector/J榪炴帴MySQL鏁版嵁搴擄紝紼嬪簭榪愯杈冮暱鏃墮棿鍚庡氨浼?xì)鎶ヤ互涓嬮敊璇Q?/p>
Communications link failure錛孴he last packet successfully received from the server was *** millisecond ago.The last packet successfully sent to the server was *** millisecond ago銆?/p>
鍏朵腑閿欒榪樹細(xì)鎻愮ず浣犱慨鏀箇ait_timeout鎴栨槸浣跨敤Connector/J鐨刟utoReconnect灞炴ч伩鍏嶈閿欒銆?/p>
鍚庢潵鏌ヤ簡(jiǎn)涓浜涜祫鏂欙紝鎵嶅彂鐜伴亣鍒拌繖涓棶棰樼殑浜鴻繕鐪熶笉灝戯紝澶ч儴鍒嗛兘鏄嬌鐢ㄨ繛鎺ユ睜鏂瑰紡鏃舵墠浼?xì)鍑虹幇杩欎釜闂锛岀煭杩炴帴搴旇寰堥殤謬虹幇杩欎釜闂銆傝繖涓棶棰樼殑鍘熷洜錛?/p>
MySQL鏈嶅姟鍣ㄩ粯璁ょ殑“wait_timeout”鏄?8800縐掑嵆8灝忔椂錛屾剰鍛崇潃濡傛灉涓涓繛鎺ョ殑絀洪棽鏃墮棿瓚呰繃8涓皬鏃訛紝MySQL灝嗚嚜鍔ㄦ柇寮璇ヨ繛鎺ワ紝鑰岃繛鎺ユ睜鍗磋涓鴻榪炴帴榪樻槸鏈夋晥鐨?鍥犱負(fù)騫舵湭鏍¢獙榪炴帴鐨勬湁鏁堟?錛屽綋搴旂敤鐢寵浣跨敤璇ヨ繛鎺ユ椂錛屽氨浼?xì)瀵艰嚧涓婇潰鐨勬姤閿欍?/p>
1.鎸夌収閿欒鐨勬彁紺猴紝鍙互鍦↗DBC URL涓嬌鐢╝utoReconnect灞炴э紝瀹為檯嫻嬭瘯鏃朵嬌鐢ㄤ簡(jiǎn)autoReconnect=true& failOverReadOnly=false錛屼笉榪囧茍鏈搗浣滅敤錛屼嬌鐢ㄧ殑鏄?.1鐗堟湰錛屽彲鑳界湡鍍忕綉涓婃墍璇寸殑鍙4涔嬪墠鐨勭増鏈湁鏁堛?/p>
2.娌″姙娉曪紝鍙兘淇敼MySQL鐨勫弬鏁頒簡(jiǎn)錛寃ait_timeout鏈澶т負(fù)31536000鍗?騫達(dá)紝鍦╩y.cnf涓姞鍏ワ細(xì)
[mysqld]
wait_timeout=31536000
interactive_timeout=31536000
閲嶅惎鐢熸晥錛岄渶瑕佸悓鏃朵慨鏀硅繖涓や釜鍙傛暟銆?/p>
鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛?a >http://blog.csdn.net/cau99/archive/2009/12/11/4987760.aspx