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From "Toshihiro Suzuki (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-20219) An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true
Date Mon, 19 Mar 2018 04:05:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-20219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Toshihiro Suzuki reassigned HBASE-20219:
----------------------------------------

    Assignee: Toshihiro Suzuki

> An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-20219
>                 URL: https://issues.apache.org/jira/browse/HBASE-20219
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Toshihiro Suzuki
>            Assignee: Toshihiro Suzuki
>            Priority: Major
>         Attachments: HBASE-20219-UT.patch
>
>
> I'm facing the following error when scanning with reversed=true and loadColumnFamiliesOnDemand=true:
> {code}
> java.lang.IllegalStateException: requestSeek cannot be called on ReversedKeyValueHeap
> 	at org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap.requestSeek(ReversedKeyValueHeap.java:66)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.joinedHeapMayHaveData(HRegion.java:6725)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:6652)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:6364)
> 	at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3108)
> 	at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3345)
> 	at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:41548)
> 	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
> 	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> {code}
> I will attach a UT patch to reproduce this issue.



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