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https://issues.apache.org/jira/browse/TRAFODION-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liu ming resolved TRAFODION-1564.
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Resolution: Fixed
Already fixed by Oliver
> Region split/balance is not being delayed if Trx Scanner obj is present
> -----------------------------------------------------------------------
>
> Key: TRAFODION-1564
> URL: https://issues.apache.org/jira/browse/TRAFODION-1564
> Project: Apache Trafodion
> Issue Type: Bug
> Components: dtm
> Reporter: Oliver Bucaojit
> Assignee: liu ming
>
> A region move/split/rebalance should be delayed when a TransactionalScanner
> is present on the region coprocessor 'scanners' list. The delay is not
> happening and is throwing the following error:
> *** ERROR[8448] Unable to access Hbase interface. Call to
> ExpHbaseInterface::nextRow returned error HBASE_ACCESS_ERROR(-706). Cause:
> java.util.concurrent.ExecutionException: java.io.IOException: PerformScan
> error on coprocessor call, scannerID: 0 java.io.IOException: performScan
> encountered Exception txID: 562962838798562 Exception:
> org.apache.hadoop.hbase.UnknownScannerException: ScannerId: 0, already closed?
> While debugging I noticed that in the SplitBalanceHelper the code is waiting
> for clear scanners list && pending txn list. It should be '||' instead.
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