Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

MYSQLÁ¬½ÓµÄÎÊÌâ - Java / Java SE

Java code:

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was51093 seconds ago.The last packet sent successfully to the server was 51093 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.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3246)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1917)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536)
at com.mysql.jdbc.StatementImpl.executeUpdate(


Ïà¹ØÎÊ´ð£º

JSP ½ÓÊÕ FORM Ìá½» - Java / Web ¿ª·¢

Ò»¸öJSPÒ³Ãæ½ÓÊÕÆäËûÒ³ÃæÌá½»¹ýÀ´µÄFORM±íµ¥£¬µ«ÊÇÒªÇóÖ»½ÓÊÕµ±Ç°Õ¾µã¼°Æä×ÓÕ¾µãÌá½»¹ýÀ´µÄFORM±íµ¥£¬ÆäËûÕ¾µãÌá½»¹ýÀ´µÄ±íµ¥²»½ÓÊÕ£¬Õâ¸öÔõôÉèÖã¿
ÓùýÂËÆ÷
filter
½«µ±Ç°Õ¾µã¼°Æä×ÓÕ¾µã·ÅÒ»¸öĿ¼ 
È» ......

JAVAµç×Ӵʵ䣿 - Java / Java SE

¸÷·´óÏÀ¸ø¸ö˼·£¬²»ÊÇÔÚÏßµÄÄÇÖÖ£¬¾ÍÊÇÒ»¸ö×öÆÕͨµÄÓ¦ÓóÌÐò¡£


´Ê¿âÔõôÉú³ÉÄØ£¿

²»»á¡£

ÒýÓÃ
´Ê¿âÔõôÉú³ÉÄØ£¿
ÕÒ±¾×Öµä

ÒýÓÃ
´Ê¿âÔõôÉú³ÉÄØ£¿
Êý¾Ý¿â ºÇºÇ

ÓÃmap ¼üÖµ¶ÔÓ¦

Èç¹ûÓÃÊý¾Ý¿ ......

FCKÉÏ´«Îļþµ½linux·þÎñÆ÷ÎÊÌâ - Java / Java EE

ÇëÎÒÓÃFCKÉÏ´«Îļþ,ÔÚ±¾µØµÄwindows»úÉϲâÊÔ¿ÉÒÔ£¬µ«²¿Êðµ½linux·þÎñÆ÷ÉϾÍÉÏ´«²»ÁËÎļþ£¬ÉÏ´«Îļþʱһֱ¿¨ÔÚÄÇÀï¡£Íû¸÷λ´óϺָµã£¬Ð»Ð»£¡
·¹ý£¬°ïÄ㶥һÏ¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£

ÉÏ´«ÎļþµÄ·¾¶ÎÊÌ⣬ ......

mysqlÍâ¼ü - ÆäËûÊý¾Ý¿â¿ª·¢ / MySQL/Postgresql

ÎÒÓõÄÊÇmysql6.0Ϊʲôһ´´½¨Á½¸ö±íÕâ¼äÓÃÍâ¼üÀ´Á¬½Óʱ¾Í˵´´½¨²»ÁË£ºcan"nt create table ...
ÄãµÄÓï¾äÊÇʲô£¿ÄãµÄ±íÊÇʲô´æ´¢ÒýÇ棿 Èç¹ûÊÇmyisam Ôò²»Ö§³ÖÍâ¼ü£¬ÄãÐèÒª°Ñ±í¸ÄΪinndb

貼³öSQL&# ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ