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https://issues.apache.org/jira/browse/CASSANDRA-20256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Petrov updated CASSANDRA-20256:
------------------------------------
          Fix Version/s: 5.1
          Since Version: 5.1
    Source Control Link: 
https://github.com/apache/cassandra-accord/commit/d9fd50a84ce0bc50d74019305734763321d6d1f8
             Resolution: Fixed
                 Status: Resolved  (was: Ready to Commit)

> Fix problem with premature eviction of Ephemeral Reads
> ------------------------------------------------------
>
>                 Key: CASSANDRA-20256
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20256
>             Project: Apache Cassandra
>          Issue Type: Bug
>          Components: Accord
>            Reporter: Alex Petrov
>            Assignee: Alex Petrov
>            Priority: Normal
>             Fix For: 5.1
>
>
> {code:java}
>     java.lang.RuntimeException: /127.0.0.2:7012 
> Command@2104690279{[16,1577854825922011,68(KE),1]:Stable}            at 
> accord.local.Command.<init>(Command.java:149)            at 
> accord.local.Command$PreAccepted.<init>(Command.java:619)            at 
> accord.local.Command$Accepted.<init>(Command.java:683)            at 
> accord.local.Command$Committed.<init>(Command.java:740)            at 
> accord.local.Command$Committed.committed(Command.java:709)            at 
> accord.local.Command.stable(Command.java:1528)            at 
> accord.local.SafeCommand.stable(SafeCommand.java:129)            at 
> accord.local.Commands.ephemeralRead(Commands.java:408)            at 
> accord.messages.ReadEphemeralTxnData.apply$unsync(ReadEphemeralTxnData.java:97)
>             at 
> accord.messages.ReadEphemeralTxnData.apply(ReadEphemeralTxnData.java)         
>    at accord.messages.ReadData.apply(ReadData.java:218)            at 
> accord.messages.ReadData.apply(ReadData.java:64)            at 
> org.apache.cassandra.service.accord.AccordTask$ForFunction.apply(AccordTask.java:109)
>             at 
> org.apache.cassandra.service.accord.AccordTask$ForFunction.apply(AccordTask.java:96)
>             at 
> org.apache.cassandra.service.accord.AccordTask.run(AccordTask.java:658)       
>      at 
> org.apache.cassandra.service.accord.AccordExecutor$CommandStoreQueueTask.run(AccordExecutor.java:726)
>             at 
> org.apache.cassandra.service.accord.AccordExecutorAbstractLockLoop.runWithoutLock(AccordExecutorAbstractLockLoop.java:249)
>             at 
> org.apache.cassandra.concurrent.InfiniteLoopExecutor.loop(InfiniteLoopExecutor.java:125)
>  {code}
> Fix 0xe299233a8efdcefdl in AccordSimulationRunner



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