Hi Tim, I think it is in the nature of things here. If we can avoid confusing the user, it would be beneficial, to fix it, imho. I had the same thing a while back and simply increased the max pending limit.
Gruß Richard > Am 01.04.2025 um 22:52 schrieb Tim Allison <talli...@apache.org>: > > All, > > I recently upgraded to our latest release, and I also bumped OpenSearch > to the latest. When injecting several thousand seeds with the FileSpout, I > started getting the stacktrace below. I'm not confident that the upgrade > caused the problem... > > The injector spins up a local zookeeper+storm instance. > > If I modified the FileSpout to monitor the diff between emitted and > ack'd/error'd and kept that diff below the `topology.max.spout.pending` > with a very small Thread.sleep(), the problem went away. > > The question: is this user error, or is this a bug that I should fix? > > Thank you. > > Best, > > Tim > > 15:04:41.763 [Worker-Transfer] ERROR o.a.s.u.Utils - Async loop died! > > > │ > │ java.lang.RuntimeException: Local Server connection should not send > BackPressure status > > │ > │ at > org.apache.storm.messaging.local.Context$LocalServer.sendBackPressureStatus(Context.java:111) > ~[storm-client-2.8.0.jar:2.8.0] > │ > │ at > org.apache.storm.daemon.worker.WorkerState.transferLocalBatch(WorkerState.java:586) > ~[storm-client-2.8.0.jar:2.8.0] > │ > │ at > org.apache.storm.messaging.DeserializingConnectionCallback.recv(DeserializingConnectionCallback.java:71) > ~[storm-client-2.8.0.jar:2.8.0] > │ > │ at > org.apache.storm.messaging.local.Context$LocalClient.send(Context.java:178) > ~[storm-client-2.8.0.jar:2.8.0] > > │ > │ at > org.apache.storm.utils.TransferDrainer.send(TransferDrainer.java:53) > ~[storm-client-2.8.0.jar:2.8.0] > > │ > │ at > org.apache.storm.daemon.worker.WorkerTransfer.flush(WorkerTransfer.java:103) > ~[storm-client-2.8.0.jar:2.8.0] > > │ > │ at org.apache.storm.utils.JCQueue.consumeImpl(JCQueue.java:126) > ~[storm-client-2.8.0.jar:2.8.0] > > │ > │ at org.apache.storm.utils.JCQueue.consume(JCQueue.java:89) > ~[storm-client-2.8.0.jar:2.8.0] > > │ > │ at org.apache.storm.utils.JCQueue.consume(JCQueue.java:80) > ~[storm-client-2.8.0.jar:2.8.0] > > │ > │ at > org.apache.storm.daemon.worker.WorkerTransfer.lambda$makeTransferThread$0(WorkerTransfer.java:85) > ~[storm-client-2.8.0.jar:2.8.0] > │ > │ at org.apache.storm.utils.Utils$1.run(Utils.java:398) > [storm-client-2.8.0.jar:2.8.0] > > │ > │ at java.base/java.lang.Thread.run(Unknown Source) [?:?]