14/10/09 11:39:45 INFO client.AsyncProcess: #4, table=hb_apptrack_detail, attempt=10/35 failed 305 ops, last exception: org.apache.hadoop.hbase.NotServingRegionException: org.apache.hadoop.hbase.NotServingRegionException: Region hb_apptrack_detail,43c3c3bf,1412083087866.3a38ec65f38551dfa79195d5c4bc312b. is not online

at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2592)

at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3959)

at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3247)

at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:26935)

at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2175)

at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1879)

on hadoop4,60020,1412825660552, tracking started Thu Oct 09 11:39:17 CST 2014, retrying after 10064 ms, replay 305 ops

解决办法：

1、http://hadoop1:60010 web查看table region server状态

发现有个region 状态为 "not deployed"

2、切换到 hbase用户执行如下命令

$su - hbase

$hbase hbck

$hbase hbck -repair

3、再查看 table region状态，已经OK，问题解决