Hello Everyone I am using coprocesser to prevent the normal put and replace it with another rowkey, The method is HRegion.put(). It works fine, but when the region splited, There will be an WrongRegionException.
2018-01-28 09:32:51,528 WARN [B.DefaultRpcServer.handler=21,queue=3,port=60020] regionserver.HRegion: Failed getting lock in batch put, row=\xF0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0F\x10\xC5r org.apache.hadoop.hbase.regionserver.WrongRegionException: Requested row out of range for row lock on HRegion GISdoop_GeoKey,,1517085124215.341534e84727245f1c67f345c3e467ac., startKey='', getEndKey()='\xE6G8\x00\x00\x00\x00\x00\x00\x00\x00\x00', row='\xF0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0F\x10\xC5r' at org.apache.hadoop.hbase.regionserver.HRegion.checkRow(HRegion.java:4677) at org.apache.hadoop.hbase.regionserver.HRegion.getRowLock(HRegion.java:4695) at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:2786) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2653) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2589) at org.apache.hadoop.hbase.regionserver.HRegion.doBatchMutate(HRegion.java:3192) at org.apache.hadoop.hbase.regionserver.HRegion.put(HRegion.java:2459) at site.luoyu.Core.Index.JavaTreeMap.insertPoint(JavaTreeMap.java:287) at site.luoyu.Core.Index.JavaTreeMap.insertRecord(JavaTreeMap.java:256) at site.luoyu.Core.Observer.IndexCopressor.prePut(IndexCopressor.java:130) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:1122) at org.apache.hadoop.hbase.regionserver.HRegion.doPreMutationHook(HRegion.java:2674) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2649) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2589) at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2593) at org.apache.hadoop.hbase.regionserver.HRegionServer.doBatchOp(HRegionServer.java:4402) at org.apache.hadoop.hbase.regionserver.HRegionServer.doNonAtomicRegionMutation(HRegionServer.java:3584) at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3474) at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:30000) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2078) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:108) at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:114) at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:94) at java.lang.Thread.run(Thread.java:745) It is said rowkey is out of region's bound. This Exception is logged in regionserver's log as an warning , I can't catch and handle it. According the source code, RowLock rowLock = null; try { rowLock = getRowLock(mutation.getRow(), shouldBlock); } catch (IOException ioe) { LOG.warn("Failed getting lock in batch put, row=" + Bytes.toStringBinary(mutation.getRow()), ioe); } HBase just cache and log this exception , I guess it even didn't remove it from the batch. So I got so many Exception log and can't put data anymore. Why HBase handle this WrongRegionException like this? Anyone can help? Thanks verymuch.