greensurfer的专栏

在网上查了一些资料，这是c3p0连接管理为检测连接目标是否可连接的测试输出信息，可以忽略掉，把log4j的级别设为DEBUG就会输出，设为INFO以上就不会再输出了。 java.lang.Exception: DEBUG -- CLOSE BY CLIENT STACK TRACE at com.mchange.v2.c3p0.impl.NewPooledConnection.close(Ne

错误提示如下： select AlarmType,RefreshTime from CLD_AlarmSetting where 1=1  ExecuteData Table 'cldcustdata.CLD_AlarmSetting' doesn't exist select AlarmType,RefreshTime from CLD_AlarmSetting where 1=1  Exe