[jira] [Resolved] (HBASE-27222) Purge FutureReturnValueIgnored warnings from error prone

["Duo Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-27222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang resolved HBASE-27222.
-------------------------------
    Fix Version/s: 2.5.0
                   3.0.0-alpha-4
     Hadoop Flags: Reviewed
       Resolution: Fixed

Pushed to branch-2.5+.

Thanks [~apurtell] for reviewing!

> Purge FutureReturnValueIgnored warnings from error prone
> --------------------------------------------------------
>
>                 Key: HBASE-27222
>                 URL: https://issues.apache.org/jira/browse/HBASE-27222
>             Project: HBase
>          Issue Type: Improvement
>          Components: netty
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 2.5.0, 3.0.0-alpha-4
>
>
> We used to introduce a FutureUtils to purge the FutureReturnValueIgnored warnings in the async client implementation, to make sure we catch the exception from the callback.
> For netty, we could apply the same trick. And there is another problem for netty that channel.write and some other methods will also return a ChannelFuture but usually we just do nothing on it, this will generated a FutureReturnValueIgnored warning too. We could add a logging listener to log the errors if any.



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