This is seen in Sandbox when testing a change [0] to transaction producer, in a prefix-shard analogue of CONTROLLER-1708 scenario.
One reader fails [1]:
{"errors":{"error":[
{"error-type":"application","error-tag":"operation-failed","error-message":"Unexpected-exception","error-info":"java.util.concurrent.ExecutionException: org.opendaylight.controller.cluster.access.commands.ClosedTransactionException: Transaction has been committed\n\tat com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:299)\n\tat com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:272)\n\tat com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:96)\n\tat org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler.maybeFinish(ProduceTransactionsHandler.java:197)\n\tat org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler.run(ProduceTransactionsHandler.java:109)\n\tat java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n\tat java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)\n\tat java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)\n\tat java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\n\tat java.lang.Thread.run(Thread.java:745)\nCaused by: org.opendaylight.controller.cluster.access.commands.ClosedTransactionException: Transaction has been committed\n\tat org.opendaylight.controller.cluster.datastore.AbstractFrontendHistory.handleTransactionRequest(AbstractFrontendHistory.java:132)\n\tat org.opendaylight.controller.cluster.datastore.LeaderFrontendState.handleTransactionRequest(LeaderFrontendState.java:210)\n\tat org.opendaylight.controller.cluster.datastore.Shard.handleRequest(Shard.java:462)\n\tat org.opendaylight.controller.cluster.datastore.Shard.handleNonRaftCommand(Shard.java:293)\n\tat org.opendaylight.controller.cluster.raft.RaftActor.handleCommand(RaftActor.java:270)\n\tat org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor.onReceiveCommand(AbstractUntypedPersistentActor.java:31)\n\tat akka.persistence.UntypedPersistentActor.onReceive(PersistentActor.scala:170)\n\tat org.opendaylight.controller.cluster.common.actor.MeteringBehavior.apply(MeteringBehavior.java:104)\n\tat akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:544)\n\tat akka.actor.Actor$class.aroundReceive(Actor.scala:502)\n\tat akka.persistence.UntypedPersistentActor.akka$persistence$Eventsourced$$super$aroundReceive(PersistentActor.scala:168)\n\tat akka.persistence.Eventsourced$$anon$1.stateReceive(Eventsourced.scala:727)\n\tat akka.persistence.Eventsourced$class.aroundReceive(Eventsourced.scala:183)\n\tat akka.persistence.UntypedPersistentActor.aroundReceive(PersistentActor.scala:168)\n\tat akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)\n\tat akka.actor.ActorCell.invoke(ActorCell.scala:495)\n\tat akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)\n\tat akka.dispatch.Mailbox.run(Mailbox.scala:224)\n\tat akka.dispatch.Mailbox.exec(Mailbox.scala:234)\n\tat scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)\n\tat scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)\n\tat scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)\n\tat scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)\n"}
]}}
Karaf logs [2] are big, more details later.
[0] https://git.opendaylight.org/gerrit/#/c/58355/2
[1] https://logs.opendaylight.org/sandbox/jenkins091/controller-csit-3node-clustering-only-carbon/6/log.html.gz#s1-s12-t1-k2-k25-k1-k1
[2] https://logs.opendaylight.org/sandbox/jenkins091/controller-csit-3node-clustering-only-carbon/6/
Bug
