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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/05/25 08:41:23 UTC
[GitHub] [pulsar] lhotari opened a new issue, #15774: CoordinationServiceImpl.close hangs and doesn't complete
lhotari opened a new issue, #15774:
URL: https://github.com/apache/pulsar/issues/15774
**Describe the bug**
CoordinationServiceImpl.close hangs and doesn't complete. This causes some test runs to get stuck. This might also be a production issue.
[Example thread dump](https://jstack.review/?https://gist.github.com/lhotari/6f7d659eb0651491e1a59d545d8559c7#tda_1_tg_25).
```
"main" #1 prio=5 os_prio=0 cpu=12135.43ms elapsed=3504.47s tid=0x00007fdff8024370 nid=0xab5 waiting on condition [0x00007fdffede0000]
java.lang.Thread.State: WAITING (parking)
at jdk.internal.misc.Unsafe.park(java.base@17.0.3/Native Method)
- parking to wait for <0x00000000c9200010> (a java.util.concurrent.CompletableFuture$Signaller)
at java.util.concurrent.locks.LockSupport.park(java.base@17.0.3/LockSupport.java:211)
at java.util.concurrent.CompletableFuture$Signaller.block(java.base@17.0.3/CompletableFuture.java:1864)
at java.util.concurrent.ForkJoinPool.unmanagedBlock(java.base@17.0.3/ForkJoinPool.java:3463)
at java.util.concurrent.ForkJoinPool.managedBlock(java.base@17.0.3/ForkJoinPool.java:3434)
at java.util.concurrent.CompletableFuture.waitingGet(java.base@17.0.3/CompletableFuture.java:1898)
at java.util.concurrent.CompletableFuture.join(java.base@17.0.3/CompletableFuture.java:2117)
at org.apache.pulsar.metadata.coordination.impl.CoordinationServiceImpl.close(CoordinationServiceImpl.java:72)
at org.apache.pulsar.broker.PulsarService.closeAsync(PulsarService.java:526)
at org.apache.pulsar.broker.PulsarService.close(PulsarService.java:372)
```
**Expected behavior**
Calling CoordinationServiceImpl.close should complete or timeout.
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[GitHub] [pulsar] lhotari commented on issue #15774: CoordinationServiceImpl.close hangs and doesn't complete
Posted by GitBox <gi...@apache.org>.
lhotari commented on issue #15774:
URL: https://github.com/apache/pulsar/issues/15774#issuecomment-1136968694
Since we are now on Java 17, it would be possible to start leveraging Java API methods that have been added since Java 8.
One useful method is [`CompletableFuture.orTimeout`](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/CompletableFuture.html#orTimeout(long,java.util.concurrent.TimeUnit)) . It's a simple way to add a timeout to a Completable Future.
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[GitHub] [pulsar] lhotari closed issue #15774: CoordinationServiceImpl.close hangs and doesn't complete
Posted by GitBox <gi...@apache.org>.
lhotari closed issue #15774: CoordinationServiceImpl.close hangs and doesn't complete
URL: https://github.com/apache/pulsar/issues/15774
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[GitHub] [pulsar] lhotari commented on issue #15774: CoordinationServiceImpl.close hangs and doesn't complete
Posted by GitBox <gi...@apache.org>.
lhotari commented on issue #15774:
URL: https://github.com/apache/pulsar/issues/15774#issuecomment-1141849710
Yet another failure: https://github.com/apache/pulsar/runs/6666238441?check_suite_focus=true#step:11:86
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