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https://issues.apache.org/jira/browse/TIKA-5031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18138295#comment-18138295
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ASF GitHub Bot commented on TIKA-5031:
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dschmidt commented on PR #3529:
URL: https://github.com/apache/tika/pull/3529#issuecomment-6642761908
You mean the mime type is weird and we should change that? Of course, no
objections. Are you taking care?
> 3MF packages are parsed as XML and fail
> ---------------------------------------
>
> Key: TIKA-5031
> URL: https://issues.apache.org/jira/browse/TIKA-5031
> Project: Tika
> Issue Type: Bug
> Components: parser
> Reporter: Dominik Schmidt
> Priority: Major
>
> {{.3mf}} files are detected as
> {{application/vnd.ms-package.3dmanufacturing-3dmodel+xml}} (TIKA-4224). The
> {{+xml}} suffix makes that a sub-type of {{application/xml}}, so XMLParser
> receives the zip package and fails with "XML parse error": {{/unpack}}
> answers 422, {{/rmeta}} records a container exception.
> The {{+xml}} type names the model part inside the package; the package itself
> is registered with IANA as {{model/3mf}}. Detecting the package as
> {{model/3mf}} (a zip sub-type) would let a package parser open it, and its
> {{Metadata/thumbnail.png}} could be emitted as the thumbnail.
> Reproduce with {{test3mf.3mf}} from the integration-test documents (that file
> has no {{Metadata/thumbnail.png}}, so a fixture with one would be needed for
> the thumbnail part).
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