web项目在Tomcat启动后，第一次点击报错，之后不报错，但是都没有结果
这是ajax请求执行sql，得到返回数据
2013-10-09 14:26:55 [日志信息] ooo Connection Opened
2013-10-09 14:26:55 [日志信息] ==> Executing: select * from ( select dt.namec categoryName,dy.name typeName ,dtc.namec channelName , t.*,row_number() over (order by t.vid desc) as rc from l_videosec t left join D_TVCategory dt on(t.cid = dt.id) left join D_Type dy on(t.typeId = dy.id) left join D_TVChannel dtc on(dtc.id = dt.tvchannelid) )t1 WHERE ? >=t1.rc and t1.rc>?
2013-10-09 14:26:55 [日志信息] ==> Parameters: 12(Integer), 0(Integer)
2013-10-09 14:26:55 [日志信息] Loading XML bean definitions from class path resource [org/springframework/jdbc/support/sql-error-codes.xml]
2013-10-09 14:26:55 [日志信息] SQLErrorCodes loaded: [DB2, Derby, H2, HSQL, Informix, MS-SQL, MySQL, Oracle, PostgreSQL, Sybase]
2013-10-09 14:26:55 [日志信息] xxx Connection Closed
