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Вот журнал отладки с RegionServer.Ответы HBase с недопустимыми данными
2014-09-23,14:57:59,107 DEBUG org.apache.hadoop.hbase.client.ClientScanner: Creating scanner over .META. starting at key 'miliao_user_seq,,' 2014-09-23,14:57:59,107 DEBUG org.apache.hadoop.hbase.client.ClientScanner: Advancing internal scanner to startKey at 'miliao_user_seq,,' 2014-09-23,14:57:59,107 DEBUG org.apache.hadoop.ipc.HBaseClient: IPC Client (847446306) connection to lg-hadoop-srv-st04.bj/10.2.201.77:13600 from hbase_srv/[email protected] sending #204 2014-09-23,14:57:59,108 DEBUG org.apache.hadoop.ipc.SecureClient: IPC Client (847446306) connection to lg-hadoop-srv-st04.bj/10.2.201.77:13600 from hbase_srv/[email protected] got value #204 2014-09-23,14:57:59,108 DEBUG org.apache.hadoop.ipc.SecureClient: call #204 state is 0 2014-09-23,14:57:59,108 DEBUG org.apache.hadoop.ipc.SecureClient: call #204, response is: OW[class=long,value=-16338305647227588] 2014-09-23,14:57:59,108 DEBUG org.apache.hadoop.ipc.SecureRpcEngine: Call: openScanner 1 2014-09-23,14:57:59,108 DEBUG org.apache.hadoop.ipc.HBaseClient: IPC Client (847446306) connection to lg-hadoop-srv-st04.bj/10.2.201.77:13600 from hbase_srv/[email protected] sending #205 2014-09-23,14:57:59,109 DEBUG org.apache.hadoop.ipc.SecureClient: IPC Client (847446306) connection to lg-hadoop-srv-st04.bj/10.2.201.77:13600 from hbase_srv/[email protected] got value #205 2014-09-23,14:57:59,109 DEBUG org.apache.hadoop.ipc.SecureClient: call #205 state is 0 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureClient: call #205, response is: OW[class=class [Lorg.apache.hadoop.hbase.client.Result;,value=[Lorg.apache.hadoop.hbase.client.Result;@2081ca25] 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureRpcEngine: Call: next 2 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.HBaseClient: IPC Client (847446306) connection to lg-hadoop-srv-st04.bj/10.2.201.77:13600 from hbase_srv/[email protected] sending #206 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureClient: IPC Client (847446306) connection to lg-hadoop-srv-st04.bj/10.2.201.77:13600 from hbase_srv/[email protected] got value #206 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureClient: call #206 state is 0 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureClient: call #206, response is: OW[class=void,value=null] 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureRpcEngine: Call: close 0 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.hbase.client.HConnectionManager: Try to delete HConnection, connectionKey=HConnectionKey{properties={hbase.zookeeper.property.clientPort=11000, hbase.client.pause=200, zookeeper.znode.parent=/hbase/lgsrv-miliao, hbase.client.retries.number=4, hbase.zookeeper.quorum=10.101.10.66,10.101.10.67,10.2.201.73,10.2.201.74,10.2.201.75}, username='hbase_srv/[email protected]'}, stopProxy=false, staleConnection=false 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.hbase.catalog.CatalogTracker: Stopping catalog tracker [email protected] 2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.hbase.client.HConnectionManager: Try to delete HConnection, connectionKey=HConnectionKey{properties={hbase.zookeeper.property.clientPort=11000, hbase.client.pause=200, zookeeper.znode.parent=/hbase/lgsrv-miliao, hbase.client.retries.number=4, hbase.zookeeper.quorum=10.101.10.66,10.101.10.67,10.2.201.73,10.2.201.74,10.2.201.75}, username='hbase_srv/[email protected]'}, stopProxy=false, staleConnection=false 2014-09-23,14:57:59,111 DEBUG org.apache.zookeeper.ZooKeeper: Closing session: 0x4877f5617edf6d
Вы можете увидеть полученные данные. Это довольно ненормально, и я понятия не имею, почему это так. Кстати, я могу получить правильный результат в оболочке HBase при сканировании таблиц.
2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureClient: call #205, response is: OW[class=class [Lorg.apache.hadoop.hbase.client.Result;,value=[Lorg.apache.hadoop.hbase.client.Result;@2081ca25]
2014-09-23,14:57:59,110 DEBUG org.apache.hadoop.ipc.SecureClient: call #206, response is: OW[class=void,value=null]