[jira] [Resolved] (RATIS-103) LeaderState.updateSenders may throws UnsupportedOperationException

["Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/RATIS-103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo Nicholas Sze resolved RATIS-103.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: 0.2.0-alpha

Thanks Jing and Elek for taking a look!

I have committed this.

> LeaderState.updateSenders may throws UnsupportedOperationException
> ------------------------------------------------------------------
>
>                 Key: RATIS-103
>                 URL: https://issues.apache.org/jira/browse/RATIS-103
>             Project: Ratis
>          Issue Type: Bug
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>            Priority: Minor
>             Fix For: 0.2.0-alpha
>
>         Attachments: r103_20170811b.patch, r103_20170811.patch
>
>
> The CopyOnWriteArrayList may not work well in LeaderState since it does not support remove.
> RaftReconfigurationBaseTest.testRemovePeers() fails with UnsupportedOperationException.
> {code}
> Exception in thread "Thread-102" java.lang.UnsupportedOperationException
>         at java.util.concurrent.CopyOnWriteArrayList$COWIterator.remove(CopyOnWriteArrayList.java:1176)
>         at org.apache.ratis.server.impl.LeaderState.updateSenders(LeaderState.java:254)
>         ...
> {code}



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)