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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1407) Catching exceptions in group communication in failure case
Date Mon, 06 Jun 2016 19:44:21 GMT

    [ https://issues.apache.org/jira/browse/REEF-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15317073#comment-15317073
] 

Julia commented on REEF-1407:
-----------------------------

+1 for making all these operators as IObserver or IObservable. 
We already use IObserver  in the GC and Network communications. What we need is to leverage
OnError and OnComplete to make failure and complete cases clean. 

> Catching exceptions in group communication in failure case
> ----------------------------------------------------------
>
>                 Key: REEF-1407
>                 URL: https://issues.apache.org/jira/browse/REEF-1407
>             Project: REEF
>          Issue Type: Bug
>            Reporter: Julia
>            Assignee: Dhruv Mahajan
>              Labels: FT
>
> Currently when a task fails, other tasks in the group are stuck in reading data by a
blocking call. We should be able to try and throw an exception and propagate the exception
to Task so that the task can handle it in a proper way. 



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