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Posted to issues@ignite.apache.org by "Ignite TC Bot (Jira)" <ji...@apache.org> on 2019/11/15 10:09:00 UTC

[jira] [Commented] (IGNITE-12369) JdbcThinClient and Server compatibility broken

    [ https://issues.apache.org/jira/browse/IGNITE-12369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16974984#comment-16974984 ] 

Ignite TC Bot commented on IGNITE-12369:
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{panel:title=Branch: [pull/7050/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=4767608&amp;buildTypeId=IgniteTests24Java8_RunAll]

> JdbcThinClient and Server compatibility broken
> ----------------------------------------------
>
>                 Key: IGNITE-12369
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12369
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>            Reporter: Konstantin Orlov
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Query cancellation support was introduced in IGNITE-5439. From this time server expects that ALL request have id. It breaks compatibility with clients whose version prior to 2.8.0.
> Furthermore backport of this feature to 8.7 breaks compatibility newer build of server with older build of client.
> See {{ClientListenerProcessor#makeFilters}}. New filter with overrided _onMessageReceived_ is created here. It tries to read request id and if there is not enough data to read long value, it crashes.



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