问题每隔一段时时间都会出现，重启之后消失，是什么原因
报错信息：
SQL0901N
The SQL statement failed because of a non-severe system error.
Subsequent SQL statements can be processed.
(Reason "numPartitions=-1".)
收起报错信息：
SQL0901N
The SQL statement failed because of a non-severe system error.
Subsequent SQL statements can be processed.
(Reason "numPartitions=-1".)
收起