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https://issues.apache.org/jira/browse/MJAR-301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17818022#comment-17818022
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Michael Osipov commented on MJAR-301:
-------------------------------------
No, the documentation is incomplete. The ISO standard says that all components
must be in the same format: basic or extended, you cannot mix and match. I have
access to the original German language documents. From DIN ISO 8601-1:2020-12,
chapter 5.4.3: Der gesamte Ausdruck muss entweder vollständig im Basisformat
oder vollständig im erweiterten Format sein. (The entire expression must be
entirely either in the basic format or in the extended format.)
> maven jar plugin does not support all cases of ISO 8601 dates for
> project.build.outputTimestamp
> -----------------------------------------------------------------------------------------------
>
> Key: MJAR-301
> URL: https://issues.apache.org/jira/browse/MJAR-301
> Project: Maven JAR Plugin
> Issue Type: Bug
> Affects Versions: 3.3.0
> Reporter: S L
> Priority: Major
> Attachments: git-plugin-timestamp-problem-demo_minimal.zip
>
>
> Originally reported in
> [https://github.com/git-commit-id/git-commit-id-maven-plugin/issues/674] by
> "Interessierter".
>
> May or may not be related to https://issues.apache.org/jira/browse/MJAR-300.
>
> The support for reproducible builds (ISO 8601 date formats) should have been
> added to the maven-jar-plugin in version 3.2.X (via
> https://issues.apache.org/jira/browse/MJAR-263).
>
> The documentation of the maven-jar-plugin
> ([https://github.com/apache/maven-jar-plugin/blob/63f9c982d49f046519088490d7a8af5a7cd647fb/src/main/java/org/apache/maven/plugins/jar/AbstractJarMojo.java#L144])
> even claims it can process ISO 8601 date formats as input for
> project.build.outputTimestamp, however there seems to be some cases that are
> unsupported.
>
> Not supported:
> 2022-02-12T15:30:45
> 2024-02-15T13:54:59+0100 (note with an extra ':' like '+01:00' this works)
>
> Not supported edge cases:
> 2022-W06
> 2022-W06-5
> 2022-W06-5T15:30:45
> 2019-03-26T14:00.9Z
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