报错信息:
java.io.IOException: Got error, statusERROR, status message , ack with firstBadLink as 192.168.100.13:9866at org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.checkBlockOpStatus(DataTransferProtoUtil.java:134)at org.a…
今天在使用数据库查询时使用了Group语句,遇到问题:
SELECT t1.UnderlyingInstrumentID, t2.*
FROM t_OptionInstrument t1
LEFT JOIN t_Instrument t2 ON t2.InstrumentID t1.UnderlyingInstrumentID
GROUP BY t1.UnderlyingInstrumentID
> 1055 - …