在Phoenix连接HBase时，抛出异常日志：
先是提示：
Call exception, tries=10, retries=35, started=68424 ms ago, cancelled=false, msg=row '' on table 'USER' at region=USER,,1437633105692.58399d4c187368bb295098db261227b1., hostname=hadoop-slave03,16020,1438942727857, seqNum=211 Call exc
