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https://issues.apache.org/jira/browse/IGNITE-12387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16999274#comment-16999274
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Pavel Tupitsyn commented on IGNITE-12387:
-----------------------------------------
Cherry-picked to ignite-2.8: e3744613550f9e665e54afd6991f8b2aa11f59cb
> .NET Thin Client: Handle unsupported features on older server nodes gracefully
> ------------------------------------------------------------------------------
>
> Key: IGNITE-12387
> URL: https://issues.apache.org/jira/browse/IGNITE-12387
> Project: Ignite
> Issue Type: Bug
> Components: platforms
> Reporter: Pavel Tupitsyn
> Assignee: Pavel Tupitsyn
> Priority: Critical
> Labels: .NET
> Fix For: 2.8
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Right now we don't check server version before doing requests for newer
> features like Affinity Awareness and Cluster API. This causes exceptions like
> "Invalid re
> quest op code: 5000", which are cryptic for the user.
> Fix this:
> * Affinity Awareness: disable it automatically if there is no server support;
> log a warning to the log (add logging by adding
> IgniteClientConfiguration.Logger property)
> * Individual methods and features like Cluster API - throw an exception with
> user-friendly explanation
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