lhotari opened a new issue #13964: URL: https://github.com/apache/pulsar/issues/13964
PulsarClientImpl.close sometimes hangs forever. Example from ClientDeduplicationFailureTest.shutdown . [example failure](https://github.com/apache/pulsar/runs/4947236380?check_suite_focus=true#step:10:50) ``` "main" #1 prio=5 os_prio=0 cpu=287708.03ms elapsed=6747.96s tid=0x00007f46e0028000 nid=0xc9a waiting on condition [0x00007f46e549e000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park([email protected]/Native Method) - parking to wait for <0x00000000dde38ad0> (a java.util.concurrent.CompletableFuture$Signaller) at java.util.concurrent.locks.LockSupport.park([email protected]/LockSupport.java:194) at java.util.concurrent.CompletableFuture$Signaller.block([email protected]/CompletableFuture.java:1796) at java.util.concurrent.ForkJoinPool.managedBlock([email protected]/ForkJoinPool.java:3128) at java.util.concurrent.CompletableFuture.waitingGet([email protected]/CompletableFuture.java:1823) at java.util.concurrent.CompletableFuture.get([email protected]/CompletableFuture.java:1998) at org.apache.pulsar.client.impl.PulsarClientImpl.close(PulsarClientImpl.java:685) at org.apache.pulsar.client.api.ClientDeduplicationFailureTest.shutdown(ClientDeduplicationFailureTest.java:131) ``` [pulsar-client-shutdown-threadawaiting notification](https://jstack.review/?https://gist.githubusercontent.com/lhotari/14b5ec998de6933b3b7733fba6acbd90/raw/a3f8270f8a7f1d44c66425ab14b682fe9e6056b5/threadump2022-01-26_01.txt#tda_1_tg_8) ``` pulsar-client-shutdown-threadawaiting notification at java.lang.Object.wait([email protected]/Native Method) at java.lang.Object.wait([email protected]/Object.java:328) at io.netty.util.concurrent.DefaultPromise.await(DefaultPromise.java:253) at io.netty.util.concurrent.DefaultPromise.get(DefaultPromise.java:337) at org.apache.pulsar.client.impl.PulsarClientImpl.shutdownEventLoopGroup(PulsarClientImpl.java:811) at org.apache.pulsar.client.impl.PulsarClientImpl.shutdown(PulsarClientImpl.java:757) at org.apache.pulsar.client.impl.PulsarClientImpl.lambda$closeAsync$20(PulsarClientImpl.java:719) at org.apache.pulsar.client.impl.PulsarClientImpl$$Lambda$943/0x00000001009c3040.run(Unknown Source) at java.lang.Thread.run([email protected]/Thread.java:829) ``` [There's a possible deadlock](https://jstack.review/?https://gist.githubusercontent.com/lhotari/14b5ec998de6933b3b7733fba6acbd90/raw/a3f8270f8a7f1d44c66425ab14b682fe9e6056b5/threadump2022-01-26_01.txt#tda_1_sync_0x00000000f1656bc0). -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
