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https://issues.apache.org/jira/browse/HBASE-16609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Anoop Sam John updated HBASE-16609:
-----------------------------------
Fix Version/s: 2.0.0
> Fake cells EmptyByteBufferedCell created in read path not implementing
> SettableSequenceId
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-16609
> URL: https://issues.apache.org/jira/browse/HBASE-16609
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Yu Sun
> Assignee: Yu Sun
> Fix For: 2.0.0
>
> Attachments: HBASE-16609-v1.patch
>
>
> I backport offheap in 2.0 to hbase-1.1.2, and when testing，I encounter a
> similar problem HBASE-14099 ,Here is the stack trace:
> {noformat}
> java.io.IOException: java.lang.UnsupportedOperationException: Cell is not of
> type org.apache.hadoop.hbase.SettableSequenceId
> at org.apache.hadoop.hbase.CellUtil.setSequenceId(CellUtil.java:915)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.setCurrentCell(StoreFileScanner.java:203)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.requestSeek(StoreFileScanner.java:338)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:321)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.requestSeek(KeyValueHeap.java:279)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:821)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.seekAsDirection(StoreScanner.java:809)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:636)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:153)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5611)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5750)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5551)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5528)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5515)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2125)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2068)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32201
> )
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:790)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:102)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> {noformat}
> this will occur in read path when offheap is used. mostly due to ByteBuffer
> backed Cells dont implement interface SettableSequenceId.
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