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https://issues.apache.org/jira/browse/PHOENIX-4366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16426492#comment-16426492
 ] 

JeongMin Ju commented on PHOENIX-4366:
--------------------------------------

I have experienced similar errors.

I have an error when copying data using the Upsert ... Select statement to a 
table with the same schema.

The cause of the error was the encodingScheme variable in the 
BaseScannerRegionObserver class.

This variable is [initialized in the preScannerOpen of the 
BaseScannerRegionObserver|https://github.com/apache/phoenix/blob/v4.10.0-HBase-1.2/phoenix-core/src/main/java/org/apache/phoenix/coprocessor/BaseScannerRegionObserver.java#L207-L208]
 and it is [used in the postScannerOpen method of the 
UngroupedAggregateRegionObserver|https://github.com/apache/phoenix/blob/v4.10.0-HBase-1.2/phoenix-core/src/main/java/org/apache/phoenix/coprocessor/UngroupedAggregateRegionObserver.java#L493]
 class. In this process, when another query comes in, the value can be changed.

[The encodingScheme and useNewValueColumnQualifier variables in the 
BaseScannerRegionObserver 
class|https://github.com/apache/phoenix/blob/v4.10.0-HBase-1.2/phoenix-core/src/main/java/org/apache/phoenix/coprocessor/BaseScannerRegionObserver.java#L133-L134]
 should not be created as instance variables, but should be used to get the 
values at the point of need.

I used version 4.11 but it seems to be in error after 4.10.

The following is an error in version 4.11.
{code:java}
Error: org.apache.phoenix.exception.PhoenixIOException: 
org.apache.hadoop.hbase.DoNotRetryIOException: 
TEST:LOGINLOG_COMPOSITE_ROWKEY,,1522711856236.d9400f93512706cf8243762bb7ff9db1.:
 null
  at org.apache.phoenix.util.ServerUtil.createIOException(ServerUtil.java:92)
  at org.apache.phoenix.util.ServerUtil.throwIOException(ServerUtil.java:58)
  at 
org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:240)
  at 
org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.nextRaw(BaseScannerRegionObserver.java:266)
  at 
org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2561)
  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:185)
  at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:165)
Caused by: java.lang.UnsupportedOperationException
  at 
org.apache.phoenix.schema.PTable$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:5736)
  at 
org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5895)
  at 
org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5673)
  at 
org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5659)
  at 
org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver.doPostScannerOpen(UngroupedAggregateRegionObserver.java:492)
  at 
org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:221)
  ... 7 more (state=08000,code=101)
{code}

 

 

> 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: Major
>
> 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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