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Posted to issues@phoenix.apache.org by "Josh Elser (Jira)" <ji...@apache.org> on 2019/12/04 16:47:00 UTC
[jira] [Commented] (PHOENIX-5602) Restart the Phoenix-query Server
| org.apache.phoenix.queryserver.server.QueryServer: Caught an error trying
to register with the load balancer | NodeExist
[ https://issues.apache.org/jira/browse/PHOENIX-5602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16987990#comment-16987990 ]
Josh Elser commented on PHOENIX-5602:
-------------------------------------
Please do not at-mention developers unless you've been told by them to do so.
> Restart the Phoenix-query Server | org.apache.phoenix.queryserver.server.QueryServer: Caught an error trying to register with the load balancer | NodeExist
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: PHOENIX-5602
> URL: https://issues.apache.org/jira/browse/PHOENIX-5602
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 5.0.0
> Reporter: vinayak malik
> Priority: Major
>
> Working with [~prabodh.mitra]
> phoenix-queryserver : Version : 5.0.0.3.1.0.0-78
> hbase-client : Version : 2.0.2.3.1.0.0-78
> hadoop : Version : 3.1.1
> [~elserj] Please take a look, if this issue has been identified?
> We have identified one issue, while taking a restart of phoenix-query server.{color:#FF0000} It throws the given below exception{color} : Node already exist. It seems like it does not unregister the node from Zookeeper while restarting the node.
> As per the flow
> we have checked the code base from [https://github.com/apache/phoenix-queryserver/blob/master/queryserver/src/main/java/org/apache/phoenix/queryserver/server/QueryServer.java]
> As per our observation & understanding the unregistration does not happen when we {color:#FF0000}restart{color} the server. But NORMAL Stop & start works seamlessly fine.
> {color:#FF0000}Exception:{color}
> 2019-12-03 02:59:58,789 DEBUG org.apache.phoenix.queryserver.server.QueryServer: Caught an error trying to register with the load balancer
> org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /phoenix/queryserver/<systemnodename:port>:
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
> at org.apache.curator.framework.imps.CreateBuilderImpl$11.call(CreateBuilderImpl.java:740)
> at org.apache.curator.framework.imps.CreateBuilderImpl$11.call(CreateBuilderImpl.java:723)
> at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:109)
> at org.apache.curator.framework.imps.CreateBuilderImpl.pathInForeground(CreateBuilderImpl.java:720)
> at org.apache.curator.framework.imps.CreateBuilderImpl.protectedPathInForeground(CreateBuilderImpl.java:484)
> at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:474)
> at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:44)
> at org.apache.phoenix.queryserver.register.ZookeeperRegistry.registerServer(ZookeeperRegistry.java:55)
> at org.apache.phoenix.queryserver.server.QueryServer.registerToServiceProvider(QueryServer.java:318)
> at org.apache.phoenix.queryserver.server.QueryServer.run(QueryServer.java:244)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.phoenix.queryserver.server.QueryServer.main(QueryServer.java:526)
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