Wenjun Ruan created ZOOKEEPER-5016:
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Summary: ZooKeeper delete operation may hang indefinitely
Key: ZOOKEEPER-5016
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-5016
Project: ZooKeeper
Issue Type: Bug
Reporter: Wenjun Ruan
I use curator to delete a node, find the deleting thread hang, below is the
thread stack, seems the ClientCnxn.submitRequest never return.
```
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Object.java:502)
org.apache.kyuubi.shaded.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1407)
org.apache.kyuubi.shaded.zookeeper.ZooKeeper.delete(ZooKeeper.java:880)
org.apache.kyuubi.shaded.curator.framework.imps.DeleteBuilderImpl$5.call(DeleteBuilderImpl.java:250)
org.apache.kyuubi.shaded.curator.framework.imps.DeleteBuilderImpl$5.call(DeleteBuilderImpl.java:244)
org.apache.kyuubi.shaded.curator.RetryLoop.callWithRetry(RetryLoop.java:109)
org.apache.kyuubi.shaded.curator.framework.imps.DeleteBuilderImpl.pathInForeground(DeleteBuilderImpl.java:241)
org.apache.kyuubi.shaded.curator.framework.imps.DeleteBuilderImpl.forPath(DeleteBuilderImpl.java:225)
org.apache.kyuubi.shaded.curator.framework.imps.DeleteBuilderImpl.forPath(DeleteBuilderImpl.java:35)
org.apache.kyuubi.shaded.curator.framework.recipes.nodes.PersistentNode.deleteNode(PersistentNode.java:347)
org.apache.kyuubi.shaded.curator.framework.recipes.nodes.PersistentNode.close(PersistentNode.java:291)
```
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