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From "Pavel Tupitsyn (Jira)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-14532) Thin client: Unordered map used for putAll warning is unavoidable
Date Tue, 13 Apr 2021 17:02:00 GMT
Pavel Tupitsyn created IGNITE-14532:
---------------------------------------

             Summary: Thin client: Unordered map used for putAll warning is unavoidable
                 Key: IGNITE-14532
                 URL: https://issues.apache.org/jira/browse/IGNITE-14532
             Project: Ignite
          Issue Type: New Feature
          Components: thin client
            Reporter: Pavel Tupitsyn
            Assignee: Pavel Tupitsyn
             Fix For: 2.11


Thin client uses LinkedHashMap to preserve client-side entry order. Ignite logs a warning
and there is no way to fix it for the user:
{code}
Unordered map java.util.HashMap is used for putAll operation on cache exact. This can lead
to a distributed deadlock. Switch to a sorted map like TreeMap instead.
{code}

We should suppress this warning for thin client operations, since it does not make sense.
Thin clients have different language-specific APIs, some of them don't even use maps.

The same applies to PlatformCache (thick C# & C++).



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