[GitHub] [cassandra-accord] dcapwell commented on pull request #33: Immutable state

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

dcapwell commented on PR #33:
URL: https://github.com/apache/cassandra-accord/pull/33#issuecomment-1435438919

   Burn test hangs for me on `496289992086939886` seed; below is the stack trace
   
   ```
   "Test worker@1" prio=5 tid=0x1 nid=NA waiting
     java.lang.Thread.State: WAITING
   	  at jdk.internal.misc.Unsafe.park(Unsafe.java:-1)
   	  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
   	  at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:885)
   	  at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1039)
   	  at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1345)
   	  at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:232)
   	  at accord.utils.async.AsyncResults.getBlocking(AsyncResults.java:346)
   	  at accord.impl.InMemoryCommandStore$Synchronized.executeSync(InMemoryCommandStore.java:822)
   	  at accord.local.SyncCommandStores$SyncMapReduceAdapter.apply(SyncCommandStores.java:75)
   	  at accord.local.SyncCommandStores$SyncMapReduceAdapter.apply(SyncCommandStores.java:60)
   	  at accord.local.CommandStores.mapReduce(CommandStores.java:395)
   	  at accord.local.CommandStores.mapReduceConsume(CommandStores.java:371)
   	  at accord.local.SyncCommandStores.mapReduceConsume(SyncCommandStores.java:102)
   	  at accord.local.Node.mapReduceConsumeLocal(Node.java:280)
   	  at accord.messages.Commit.process(Commit.java:148)
   	  at accord.messages.Defer.onChange(Defer.java:90)
   	  at accord.local.SafeCommandStore.notifyListeners(SafeCommandStore.java:111)
   	  at accord.local.Commands.preacceptOrRecover(Commands.java:144)
   	  at accord.local.Commands.recover(Commands.java:91)
   	  at accord.messages.BeginRecovery.apply(BeginRecovery.java:87)
   	  at accord.messages.BeginRecovery.apply(BeginRecovery.java:46)
   	  at accord.impl.InMemoryCommandStore$State.executeInContext(InMemoryCommandStore.java:455)
   	  at accord.impl.InMemoryCommandStore$State.executeInContext(InMemoryCommandStore.java:470)
   	  at accord.impl.InMemoryCommandStore$Synchronized.lambda$executeSync$2(InMemoryCommandStore.java:812)
   	  at accord.impl.InMemoryCommandStore$Synchronized$$Lambda$402.402808045.run(Unknown Source:-1)
   	  at accord.impl.InMemoryCommandStore$Synchronized.maybeRun(InMemoryCommandStore.java:762)
   	  - locked <0xe62> (a accord.impl.InMemoryCommandStore$Synchronized)
   	  at accord.impl.InMemoryCommandStore$Synchronized.enqueueAndRun(InMemoryCommandStore.java:777)
   	  at accord.impl.InMemoryCommandStore$Synchronized.executeSync(InMemoryCommandStore.java:809)
   	  at accord.local.SyncCommandStores$SyncMapReduceAdapter.apply(SyncCommandStores.java:75)
   	  at accord.local.SyncCommandStores$SyncMapReduceAdapter.apply(SyncCommandStores.java:60)
   	  at accord.local.CommandStores.mapReduce(CommandStores.java:395)
   	  at accord.local.CommandStores.mapReduceConsume(CommandStores.java:371)
   	  at accord.local.SyncCommandStores.mapReduceConsume(SyncCommandStores.java:102)
   	  at accord.local.Node.mapReduceConsumeLocal(Node.java:280)
   	  at accord.messages.BeginRecovery.process(BeginRecovery.java:79)
   	  at accord.messages.TxnRequest.process(TxnRequest.java:144)
   	  at accord.local.Node.lambda$receive$16(Node.java:499)
   	  at accord.local.Node$$Lambda$364.1806880779.run(Unknown Source:-1)
   	  at accord.impl.basic.Cluster.now(Cluster.java:206)
   	  at accord.local.Node.receive(Node.java:499)
   	  at accord.impl.basic.Cluster.processNext(Cluster.java:172)
   	  at accord.impl.basic.Cluster.processPending(Cluster.java:124)
   	  at accord.impl.basic.Cluster.run(Cluster.java:242)
   	  at accord.burn.BurnTest.burn(BurnTest.java:269)
   	  at accord.burn.BurnTest.run(BurnTest.java:341)
   	  at accord.burn.BurnTest.testOne(BurnTest.java:329)
   ```


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