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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2399) Fail when actor versions don't match
Date Wed, 29 Jul 2015 15:35:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14646279#comment-14646279

ASF GitHub Bot commented on FLINK-2399:

Github user sachingoel0101 commented on the pull request:

    1. Added version checks between JobClient and JobManager. 
    2. Versions are accessed from the Configuration class now, since flink-core gets built
first and version is readily available, leading to exact verification.
    3. Added a dummy version string to allow passing of tests in IDE.

> Fail when actor versions don't match
> ------------------------------------
>                 Key: FLINK-2399
>                 URL: https://issues.apache.org/jira/browse/FLINK-2399
>             Project: Flink
>          Issue Type: Improvement
>          Components: JobManager, TaskManager
>    Affects Versions: 0.9, master
>            Reporter: Ufuk Celebi
>            Assignee: Sachin Goel
>            Priority: Minor
>             Fix For: 0.10
> Problem: there can be subtle errors when actors from different Flink versions communicate
with each other, for example when an old client (e.g. Flink 0.9) communicates with a new JobManager
(e.g. Flink 0.10-SNAPSHOT).
> We can check that the versions match on first communication between the actors and fail
if they don't match.

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