murong00 opened a new pull request #1359:
URL: https://github.com/apache/incubator-kyuubi/pull/1359
### _Why are the changes needed?_
Users may encounter the following exception when trying to set
`kyuubi.ha.zookeeper.quorum` to `localhost:2181/lakehouse` with chroot path
`/lakehouse` nonexisted:
```
2021-11-10 10:56:34.510 ERROR server.KyuubiThriftBinaryFrontendService:
Error starting service KyuubiServiceDiscovery
org.apache.kyuubi.KyuubiException: Failed to create namespace '/kyuubi'
at
org.apache.kyuubi.ha.client.ServiceDiscovery$.createServiceNode(ServiceDiscovery.scala:225)
at
org.apache.kyuubi.ha.client.ServiceDiscovery.start(ServiceDiscovery.scala:101)
......
Caused by: org.apache.zookeeper.KeeperException$NoNodeException:
KeeperErrorCode = NoNode for /kyuubi
at
org.apache.zookeeper.KeeperException.create(KeeperException.java:114)
......
```
It is wonderful to support this since zookeeper connection with chroot path
is generally recommended in production environments. With this feture the
znodes in zookeeper likes below:
```
[zk: localhost:2181(CONNECTED) 28] ls /lakehouse
[kyuubi, kyuubi_USER, kyuubi_USER_SPARK_SQL]
```
### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including
negative and positive cases if possible
- [ ] Add screenshots for manual tests if appropriate
- [x] [Run
test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests)
locally before make a pull request
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