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From "Dhruv Mahajan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1407) Catching exceptions in group communication are implemented incorrectly
Date Wed, 08 Jun 2016 01:14:20 GMT

    [ https://issues.apache.org/jira/browse/REEF-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319819#comment-15319819
] 

Dhruv Mahajan commented on REEF-1407:
-------------------------------------

Here is what I propose for IMRU:

Each task after it is done sending and receiving, sends notification to driver and hangs/blocks
itself. Now once driver receives all the notifications, it sends messages to the tasks to
close down.

We are already planning to send notifications for tasks to close, we can use the same framework.

> Catching exceptions in group communication are implemented incorrectly
> ----------------------------------------------------------------------
>
>                 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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