cube????????rowkey??????????????????????????????????500??????????????????????????????cube????????????mr????map????????????????java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)??
????????????????????mr????map????????????????????cuboiddata??????rowkey??????????????????????????????????????????????????????????????rowkey????????????????SplittedBytes??value????????value????????????????????????255????????????????255??????????????????????????????????issue:
https://issues.apache.org/jira/projects/KYLIN/issues/KYLIN-3296