[GitHub] [cassandra] dcapwell commented on pull request #2144: CEP-15 Accord: Immutable state integration

["dcapwell (via GitHub)" <gi...@apache.org>]

dcapwell commented on PR #2144:
URL: https://github.com/apache/cassandra/pull/2144#issuecomment-1452861040

   Errors seen while trying to run with load
   
   ```
   ERROR [CommandStore[19]:1] 2023-03-02 18:21:17,400 JVMStabilityInspector.java:68 - Exception in thread Thread[CommandStore[19]:1,5,CommandStore[19]]
   java.lang.ClassCastException: class accord.local.Command$NotWitnessed cannot be cast to class accord.local.Command$Committed (accord.local.Command$NotWitnessed and accord.local.Command$Committed are in unnamed module of loader 'app')
           at accord.local.Command.asCommitted(Command.java:448)
           at accord.local.Commands.updatePredecessorAndMaybeExecute(Commands.java:589)
           at accord.local.Commands$NotifyWaitingOn.accept(Commands.java:675)
           at accord.local.Commands$NotifyWaitingOn.accept(Commands.java:642)
           at org.apache.cassandra.service.accord.async.AsyncOperation$ForConsumer.apply(AsyncOperation.java:345)
           at org.apache.cassandra.service.accord.async.AsyncOperation$ForConsumer.apply(AsyncOperation.java:332)
           at org.apache.cassandra.service.accord.async.AsyncOperation.runInternal(AsyncOperation.java:229)
           at org.apache.cassandra.service.accord.async.AsyncOperation.run(AsyncOperation.java:270)
           at org.apache.cassandra.service.accord.async.AsyncOperation.callback(AsyncOperation.java:158)
   ```
   
   ```
   ERROR [CommandStore[23]:1] 2023-03-02 18:21:17,778 AsyncOperation.java:274 - Operation AsyncOperation{RUNNING}-0x177ef150 failed
   java.lang.IllegalStateException: null
           at accord.utils.Invariants.illegalState(Invariants.java:44)
           at accord.utils.Invariants.illegalState(Invariants.java:49)
           at accord.utils.Invariants.checkState(Invariants.java:91)
           at accord.impl.SimpleProgressLog$Instance.invalidated(SimpleProgressLog.java:756)
           at accord.local.Commands.commitInvalidate(Commands.java:355)
           at accord.coordinate.Invalidate.lambda$commitInvalidate$2(Invalidate.java:271)
           at accord.local.CommandStores$1.apply(CommandStores.java:326)
           at accord.local.CommandStores$1.apply(CommandStores.java:322)
           at org.apache.cassandra.service.accord.async.AsyncOperation$ForFunction.apply(AsyncOperation.java:323)
           at org.apache.cassandra.service.accord.async.AsyncOperation$ForFunction.apply(AsyncOperation.java:310)
           at org.apache.cassandra.service.accord.async.AsyncOperation.runInternal(AsyncOperation.java:229)
           at org.apache.cassandra.service.accord.async.AsyncOperation.run(AsyncOperation.java:270)
   ```


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