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https://issues.apache.org/jira/browse/GEODE-9982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17480347#comment-17480347
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Jacob Barrett commented on GEODE-9982:
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The message it is trying to decode is {{DataSerializableFixedId}} 110, aka
{{TXCommitMessage}}.
> Backwards compatibility failure between older C++ client and newer server.
> --------------------------------------------------------------------------
>
> Key: GEODE-9982
> URL: https://issues.apache.org/jira/browse/GEODE-9982
> Project: Geode
> Issue Type: Bug
> Components: native client
> Affects Versions: 1.14.0, 1.15.0
> Reporter: Jacob Barrett
> Priority: Blocker
>
> Geode Native C++ client v1.14.0 fails execution of
> testThinClientTransactionsWithoutSticky against current develop branch
> server. C++ client v1.14.0 does not fail when talking to a v1.14.0 server.
> Current develop branch C++ client does not fail when talking to a develop
> branch server. It appears there may be a protocol incompatibly issue between
> these two versions. More investigations to narrow down the version matrix is
> necessary.
> The following error is logged when the test fails:
> {{Error during send for endpoint 192.168.68.56:18539 due to
> apache::geode::client::IllegalStateException: Unregistered type in
> deserialization}}
> ||Server Versions|1.14.0|1.15.0|
> ||Client Versions||
> |1.14.0|P|F|
> |1.15.0|-|P|
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