达梦数据库报错session request timeout

Question

达梦数据库线上报错，本地执行sql是好的，将sql拷出来在线上达梦终端执行也是好的，但是程序就是报错，百度无结果，跪求大佬。

### Error querying database.  Cause: dm.jdbc.driver.DMException: session request timeout
### The error may exist in URL [jar:file:/xxxx/xxxx/StDataReportMapper.xml]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: select ADCD as areaId, count(STCD) as reportNum from ( select concat(substr(b.ADDVCD,0,6),'000000000') as ADCD, a.STCD from  (                 
select STCD from ST_RIVER_R where 1=1 and TM >= ?  and ? > TM group by STCD             
) a left join ST_STBPRP_B b on a.STCD = b.STCD         ) group by ADCD### Cause: dm.jdbc.driver.DMException: session request timeout
; session request timeout; nested exception is dm.jdbc.driver.DMException: session request timeout

Answer 1

你看看能不能ping的通。。