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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4366) Rebuilding a local index fails sometimes
Date Wed, 11 Apr 2018 22:22:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434656#comment-16434656
] 

James Taylor commented on PHOENIX-4366:
---------------------------------------

Addendum patch that handles null case.

> Rebuilding a local index fails sometimes
> ----------------------------------------
>
>                 Key: PHOENIX-4366
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4366
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.12.0
>            Reporter: Marcin Januszkiewicz
>            Assignee: James Taylor
>            Priority: Blocker
>             Fix For: 4.14.0, 5.0.0
>
>         Attachments: PHOENIX-4366_addendum1.patch, PHOENIX-4366_v1.patch, PHOENIX-4366_v2.patch
>
>
> We have a table created in 4.12 with the new column encoding scheme and with several
local indexes. Sometimes when we issue an ALTER INDEX ... REBUILD command, it fails with the
following exception:
> {noformat}
> Error: org.apache.phoenix.exception.PhoenixIOException: org.apache.hadoop.hbase.DoNotRetryIOException:
TRACES,\x01BY01O90A6-$599a349e,1509979836322.3f
> 30c9d449ed6c60a1cda6898f766bd0.: null                                               
                                                                                         
               
>         at org.apache.phoenix.util.ServerUtil.createIOException(ServerUtil.java:96) 
                                                                                         
               
>         at org.apache.phoenix.util.ServerUtil.throwIOException(ServerUtil.java:62)  
                                                                                         
               
>         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:255)
                                                 
>         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.nextRaw(BaseScannerRegionObserver.java:284)
                                                          
>         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2541)
                                                                                         
        
>         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33648)
                                                               
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2183)          
                                                                                         
               
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112)          
                                                                                         
               
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:183)
                                                                                         
               
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:163)
                                                                                         
               
> Caused by: java.lang.UnsupportedOperationException                                  
                                                                                         
               
>         at org.apache.phoenix.schema.PTable$QualifierEncodingScheme$1.decode(PTable.java:247)
                                                                                         
      
>         at org.apache.phoenix.schema.tuple.EncodedColumnQualiferCellsList.add(EncodedColumnQualiferCellsList.java:141)
                                                                       
>         at org.apache.phoenix.schema.tuple.EncodedColumnQualiferCellsList.add(EncodedColumnQualiferCellsList.java:56)
                                                                        
>         at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:560)
                                                                                         
           
>         at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:147)
                                                                                         
           
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5735)
                                                                                  
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5891)
                                                                                    
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5669)
                                                                                         
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5654)
                                                                                         
>         at org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.doPostScannerOpen(UngroupedAggregateRegionObserver.java:522)
                                                      
>         at org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:236)
                                                 
>         ... 7 more (state=08000,code=101) 
> {noformat}
> This failure is intermittent, since usually we can run the command again and it will
succeed.



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