ibatis中maxSessions配置项的位置

最大Session 数。即当前最大允许的并发
SqlMapClient数。
maxSessions设定必须介于
maxTransactions和maxRequests之间，即
maxTransactions<maxSessions=<

例子：

 

< sqlMapConfig >
   < settings
     cacheModelsEnabled ="true"
    enhancementEnabled ="true"
    lazyLoadingEnabled ="true"
    maxRequests ="32"
    maxSessions ="10"
    maxTransactions ="5"
    useStatementNamespaces ="false"
   />
  
   < transactionManager  type ="JDBC"   >
     < dataSource  type ="SIMPLE" >
       < property  name ="JDBC.Driver"  value ="com.mysql.jdbc.Driver" />
       < property  name ="JDBC.ConnectionURL"  value ="jdbc:mysql://localhost:3306/ibatis" />
       < property  name ="JDBC.Username"  value ="root" />
       < property  name ="JDBC.Password"  value ="1234" />  
       < property  name ="Pool.MaximumIdleConnections"  value ="5" />
       < property  name ="Pool.MaximumCheckoutTime"  value ="120000" />
     
       < property  name ="Pool.TimeToWait"  value ="500" />
       < property  name ="Pool.PingQuery"  value ="select 1 from ACCOUNT" />
       < property  name ="Pool.PingEnabled"  value ="false" />
       < property  name ="Pool.PingConnectionsOlderThan"  value ="1" />
       < property  name ="Pool.PingConnectionsNotUsedFor"  value ="1" />
     </ dataSource >
   </ transactionManager >
  


   < sqlMap  resource ="user.xml"   />
</ sqlMapConfig >