[jira] [Comment Edited] (IGNITE-12825) Serialize Java and .NET dates using same calendars

["Pavel Tupitsyn (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-12825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17073576#comment-17073576 ] 

Pavel Tupitsyn edited comment on IGNITE-12825 at 4/2/20, 10:14 AM:
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[~nizhikov] my mistake, assigned back to you. Please request my review once finished.


was (Author: ptupitsyn):
[~nizhikov] my mistake, assigned back to you.

> Serialize Java and .NET dates using same calendars
> --------------------------------------------------
>
>                 Key: IGNITE-12825
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12825
>             Project: Ignite
>          Issue Type: Improvement
>          Components: platforms
>    Affects Versions: 2.8
>            Reporter: Alexey Kukushkin
>            Assignee: Nikolay Izhikov
>            Priority: Major
>              Labels: .NET, sbcf
>         Attachments: ignite-12825-vs-2.8.patch
>
>
> Java and .NET use different calendars for dates serialization. That results in some dates written using Java API deserialized into different dates using .NET API and vise versa. For example, 1-Jan-1992 00:00:00 MSK written using Java API will be read as 31-Dec-1991 1:00:00 MSK using .NET API. 
> Java and .NET API must use same calendars for dates serialization.
> +*Note:*+
> Java uses IANA Time Zone database ([https://www.iana.org/time-zones]) stored locally that could be manually updated using Timezone Updater Tool ([https://www.oracle.com/technetwork/java/javase/documentation/tzupdater-readme-136440.html])
> .NET uses its own calendars that cannot be manually updated. 
> For all the Java/.NET calendar differences I saw the Java version was valid and .NET version was not.
> We need to use IANA time zone database in .NET as well and, if possible, provide a mechanism to update the time zone database



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