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From "Pavel Tupitsyn (Jira)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-12387) .NET Thin Client: Handle unsupported features on older server nodes gracefully
Date Thu, 21 Nov 2019 14:50:00 GMT
Pavel Tupitsyn created IGNITE-12387:
---------------------------------------

             Summary: .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
             Fix For: 2.8


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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