[jira] [Work started] (HDFS-15251) Add new zookeeper event type case after zk updated to 3.5.x

["Jianfei Jiang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-15251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HDFS-15251 started by Jianfei Jiang.
--------------------------------------------
> Add new zookeeper event type case after zk updated to 3.5.x
> -----------------------------------------------------------
>
>                 Key: HDFS-15251
>                 URL: https://issues.apache.org/jira/browse/HDFS-15251
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 3.2.1
>            Reporter: Jianfei Jiang
>            Assignee: Jianfei Jiang
>            Priority: Major
>         Attachments: HDFS-15251.001.patch
>
>
> In zookeeper 3.5.x, KeeperState add a new one named Closed, so should add Close case to the swich as it is not an unexpected Zookeeper watch event state.
> {code:java}
> /** @deprecated */
>  @Deprecated
>  Unknown(-1),
>  Disconnected(0),
>  /** @deprecated */
>  @Deprecated
>  NoSyncConnected(1),
>  SyncConnected(3),
>  AuthFailed(4),
>  ConnectedReadOnly(5),
>  SaslAuthenticated(6),
>  Expired(-112),
>  Closed(7);{code}



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