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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4366) Rebuilding a local index fails sometimes
Date Thu, 05 Apr 2018 23:53:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16427776#comment-16427776
] 

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

Good catch, [~mini666]. This is definitely a problem. We can't use member variables on RegionObserver
instances like that. Instead, we should get it from the Scan when we need it. Would you be
up for submitting a patch for this, [~mini666]?

> 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
>            Priority: Blocker
>             Fix For: 4.14.0
>
>
> 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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