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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-20219) An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true
Date Tue, 10 Apr 2018 18:35:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-20219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16432744#comment-16432744
] 

stack commented on HBASE-20219:
-------------------------------

[~brfrn169] Sure, particularly if needed by Phoenix. I added 2.0.0 version to it. Lets backport
after figure the shaded jar issue [~busbey] is trying to debug.

> 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
>          Components: phoenix
>            Reporter: Toshihiro Suzuki
>            Assignee: Toshihiro Suzuki
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: HBASE-20219-UT.patch, HBASE-20219.master.001.patch, HBASE-20219.master.002.patch,
HBASE-20219.master.003.patch, HBASE-20219.master.004.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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