tiny-rain commented on issue #20105:
URL: https://github.com/apache/pulsar/issues/20105#issuecomment-1508391757
`Java stack information for the threads listed above:
===================================================
"metadata-store-40-1":
at
org.apache.pulsar.metadata.impl.ZKSessionWatcher.process(ZKSessionWatcher.java:120)
- waiting to lock <0x000000070096de18> (a
org.apache.pulsar.metadata.impl.ZKSessionWatcher)
at
org.apache.pulsar.metadata.impl.ZKMetadataStore.lambda$new$0(ZKMetadataStore.java:101)
at
org.apache.pulsar.metadata.impl.ZKMetadataStore$$Lambda$818/0x0000000801684680.run(Unknown
Source)
at
java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:539)
at
java.util.concurrent.FutureTask.run$$$capture([email protected]/FutureTask.java:264)
at
java.util.concurrent.FutureTask.run([email protected]/FutureTask.java)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run([email protected]/ScheduledThreadPoolExecutor.java:304)
at
java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run([email protected]/Thread.java:833)
"metadata-store-zk-session-watcher-41-1":
at
org.apache.zookeeper.ClientCnxn$EventThread.queuePacket(ClientCnxn.java:527)
- waiting to lock <0x0000000706564568> (a
java.util.concurrent.LinkedBlockingQueue)
at org.apache.zookeeper.ClientCnxn.finishPacket(ClientCnxn.java:771)
at org.apache.zookeeper.ClientCnxn.conLossPacket(ClientCnxn.java:808)
at org.apache.zookeeper.ClientCnxn.queuePacket(ClientCnxn.java:1676)
- locked <0x0000000700d27530> (a
org.apache.zookeeper.ZooKeeper$States)
at org.apache.zookeeper.ClientCnxn.queuePacket(ClientCnxn.java:1645)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1919)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1930)
at
org.apache.pulsar.metadata.impl.PulsarZooKeeperClient$16.zkRun(PulsarZooKeeperClient.java:926)
at
org.apache.pulsar.metadata.impl.PulsarZooKeeperClient$ZkRetryRunnable.run(PulsarZooKeeperClient.java:390)
at
org.apache.pulsar.metadata.impl.PulsarZooKeeperClient.exists(PulsarZooKeeperClient.java:936)
at
org.apache.pulsar.metadata.impl.ZKSessionWatcher.checkConnectionStatus(ZKSessionWatcher.java:86)
- locked <0x000000070096de18> (a
org.apache.pulsar.metadata.impl.ZKSessionWatcher)
at
org.apache.pulsar.metadata.impl.ZKSessionWatcher$$Lambda$328/0x00000008013d3470.run(Unknown
Source)
at
org.apache.pulsar.common.util.Runnables$CatchingAndLoggingRunnable.run(Runnables.java:54)
at
java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:539)
at
java.util.concurrent.FutureTask.runAndReset$$$capture([email protected]/FutureTask.java:305)
at
java.util.concurrent.FutureTask.runAndReset([email protected]/FutureTask.java)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run([email protected]/ScheduledThreadPoolExecutor.java:305)
at
java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run([email protected]/Thread.java:833)
"ZKC-connect-executor-0-SendThread(localhost:2181)":
at
org.apache.pulsar.metadata.impl.ZKSessionWatcher.setSessionInvalid(ZKSessionWatcher.java:125)
- waiting to lock <0x000000070096de18> (a
org.apache.pulsar.metadata.impl.ZKSessionWatcher)
at
org.apache.pulsar.metadata.impl.ZKMetadataStore$$Lambda$823/0x00000008016866c8.accept(Unknown
Source)
at java.util.Optional.ifPresent([email protected]/Optional.java:178)
at
org.apache.pulsar.metadata.impl.ZKMetadataStore.lambda$receivedSessionEvent$3(ZKMetadataStore.java:146)
at
org.apache.pulsar.metadata.impl.ZKMetadataStore$$Lambda$821/0x0000000801685dd8.processResult(Unknown
Source)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:726)
at
org.apache.zookeeper.ClientCnxn$EventThread.queuePacket(ClientCnxn.java:531)
- locked <0x0000000706564568> (a
java.util.concurrent.LinkedBlockingQueue)
at org.apache.zookeeper.ClientCnxn.finishPacket(ClientCnxn.java:771)
at org.apache.zookeeper.ClientCnxn.conLossPacket(ClientCnxn.java:808)
at org.apache.zookeeper.ClientCnxn.access$2500(ClientCnxn.java:106)
at
org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1399)
at
org.apache.zookeeper.ClientCnxn$SendThread.cleanAndNotifyState(ClientCnxn.java:1327)
at
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1301)
Found 1 deadlock.
`
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