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Posted to issues@ignite.apache.org by "Alexey Kukushkin (Jira)" <ji...@apache.org> on 2020/11/03 20:47:00 UTC
[jira] [Resolved] (IGNITE-12825) Serialize Java and .NET dates
using same calendars
[ https://issues.apache.org/jira/browse/IGNITE-12825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Kukushkin resolved IGNITE-12825.
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Release Note: Will be fixed by IGNITE-12824
Resolution: Duplicate
Will be fixed by [IGNITE-12824 Interoperable Ignite.NET Dates|https://issues.apache.org/jira/browse/IGNITE-12824]
> 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: Alexey Kukushkin
> Priority: Major
> Labels: .NET, ignite-3, sbcf
> Fix For: 3.0
>
> Attachments: ignite-12825-vs-2.8.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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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