wForget opened a new issue #1417: URL: https://github.com/apache/incubator-kyuubi/issues/1417
### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) ### Search before asking - [X] I have searched in the [issues](https://github.com/apache/incubator-kyuubi/issues?q=is%3Aissue) and found no similar issues. ### Describe the bug An exception occurred while executing the bin/kyuubi-ctl list server command. Error message: ``` 21/11/18 17:43:54 ERROR client.ServiceDiscovery: Failed to get service node info java.lang.ArrayIndexOutOfBoundsException: 1 at org.apache.kyuubi.ha.client.ServiceDiscovery$.$anonfun$getServiceNodesInfo$2(ServiceDiscovery.scala:194) at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:286) at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62) at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49) at scala.collection.TraversableLike.map(TraversableLike.scala:286) at scala.collection.TraversableLike.map$(TraversableLike.scala:279) at scala.collection.AbstractTraversable.map(Traversable.scala:108) at org.apache.kyuubi.ha.client.ServiceDiscovery$.getServiceNodesInfo(ServiceDiscovery.scala:189) at org.apache.kyuubi.ctl.ServiceControlCli.getServiceNodes(ServiceControlCli.scala:138) at org.apache.kyuubi.ctl.ServiceControlCli.$anonfun$list$1(ServiceControlCli.scala:127) at org.apache.kyuubi.ctl.ServiceControlCli.$anonfun$list$1$adapted(ServiceControlCli.scala:122) at org.apache.kyuubi.ha.client.ZooKeeperClientProvider$.withZkClient(ZooKeeperClientProvider.scala:81) at org.apache.kyuubi.ctl.ServiceControlCli.list(ServiceControlCli.scala:122) at org.apache.kyuubi.ctl.ServiceControlCli.doAction(ServiceControlCli.scala:68) at org.apache.kyuubi.ctl.ServiceControlCli$$anon$1.doAction(ServiceControlCli.scala:208) at org.apache.kyuubi.ctl.ServiceControlCli$.main(ServiceControlCli.scala:217) at org.apache.kyuubi.ctl.ServiceControlCli.main(ServiceControlCli.scala) ``` ### Affects Version(s) master ### Kyuubi Server Log Output _No response_ ### Kyuubi Engine Log Output _No response_ ### Kyuubi Server Configurations ```yaml kyuubi.authentication KERBEROS kyuubi.ha.zookeeper.publish.configs true ``` ### Kyuubi Engine Configurations _No response_ ### Additional context When kerberos authentication is turned on, the data registered by the kyuubi server in Zookeeper changes. See #1175 .  ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! -- 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]
