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https://issues.apache.org/jira/browse/IGNITE-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15286603#comment-15286603
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Igor Sapego commented on IGNITE-3140:
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Ok, it seems like {{BinaryUtils.utf8BytesToStr}} does not implement conversion
of 4-byte UTF-8 to UTF-16 surrogate pairs. I believe we should implement it on
Java side. Except for that, everything seems to be OK from C++ point of view.
> C++: UTF-16 surrogate symbols are not serialized properly
> ---------------------------------------------------------
>
> Key: IGNITE-3140
> URL: https://issues.apache.org/jira/browse/IGNITE-3140
> Project: Ignite
> Issue Type: Bug
> Components: platforms
> Affects Versions: 1.5.0.final
> Reporter: Denis Magda
> Assignee: Vladimir Ozerov
> Fix For: 1.7
>
>
> There is an issue with serialization of a surrogate symbol with
> {{BinaryMarshaller}}. On Java side String's serialization logic was improved
> to support all the cases. Refer to IGNITE-3098.
> C++ serialization logic has to be updated as well. Please refer to the
> algorithm located in ignite-3098 branch in the following places:
> - {{BinaryUtils.utf8BytesToStr}} - serialization
> - {{BinaryUtils.strToUtf8Bytes}} - deserialization
> -
> {{IgniteSystemProperties.IGNITE_BINARY_MARSHALLER_USE_STRING_SERIALIZATION_VER_2}}
> controls which version of serialization logic to use (old or new).
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