[jira] [Commented] (RATIS-703) Intermittent ambiguous attempt(..) method in JavaUtils

["Tsz-wo Sze (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/RATIS-703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16952358#comment-16952358 ] 

Tsz-wo Sze commented on RATIS-703:
----------------------------------

> Awaitability is a library for doing such things ...

BTW, thanks for bring this up.  I am unaware that there is a such library.

> Intermittent ambiguous attempt(..) method in JavaUtils
> ------------------------------------------------------
>
>                 Key: RATIS-703
>                 URL: https://issues.apache.org/jira/browse/RATIS-703
>             Project: Ratis
>          Issue Type: Bug
>            Reporter: Henrik Hegardt
>            Assignee: Henrik Hegardt
>            Priority: Major
>         Attachments: RATIS-703.00.patch, RATIS-703.01.patch, RATIS-703.02.patch, errors.png
>
>
> I'm getting intermittent ambiguous method reference compilation errors. It seems like it's a real bug since the method is ambigious when the referenced generic types have been ereased. Though I'm not sure why this is not always failing, it should, but it's probably a bug in Javac. I'm running Eclipse and it consistently complains about it.
> Output from Maven:
> [ERROR] testRevertConfigurationChange(org.apache.ratis.server.simulation.TestRaftReconfigurationWithSimulatedRpc) Time elapsed: 0.108 s <<< ERROR!
>  java.lang.Error: 
>  Unresolved compilation problems: 
>  The method attempt(CheckedSupplier<Boolean,RuntimeException>, int, TimeDuration, String, Logger) is ambiguous for the type JavaUtils
>  The method attempt(CheckedSupplier<Boolean,RuntimeException>, int, TimeDuration, String, Logger) is ambiguous for the type JavaUtils
> [INFO] Running org.apache.ratis.server.simulation.TestServerRestartWithSimulatedRpc
>  [ERROR] Tests run: 5, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 4.013 s <<< FAILURE! - in org.apache.ratis.server.simulation.TestServerRestartWithSimulatedRpc
>  [ERROR] testRestartCommitIndex(org.apache.ratis.server.simulation.TestServerRestartWithSimulatedRpc) Time elapsed: 0.081 s <<< ERROR!
>  java.lang.Error: 
>  Unresolved compilation problems: 
>  The method attempt(CheckedSupplier<Boolean,RuntimeException>, int, TimeDuration, String, Logger) is ambiguous for the type JavaUtils
>  The method attempt(CheckedSupplier<Boolean,RuntimeException>, int, TimeDuration, String, Logger) is ambiguous for the type JavaUtils
> [ERROR] testRestartFollower(org.apache.ratis.server.simulation.TestServerRestartWithSimulatedRpc) Time elapsed: 0.074 s <<< ERROR!
>  java.lang.Error: 
>  Unresolved compilation problem: 
>  The method attempt(CheckedSupplier<Boolean,RuntimeException>, int, TimeDuration, String, Logger) is ambiguous for the type JavaUtils
> A fix (but ugly) would just to be to re arrange the arguments.
>  



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