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https://issues.apache.org/jira/browse/TIKA-2921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Allison updated TIKA-2921:
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Attachment: tika-2921.xml
> Tika discarding bodies of inline MIME elements in RFC822 email
> --------------------------------------------------------------
>
> Key: TIKA-2921
> URL: https://issues.apache.org/jira/browse/TIKA-2921
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.22
> Environment: Reproducible on Java 8 and 11 on both Linux and Win 10.
> Reporter: Joshua Turner
> Priority: Major
> Attachments: tika-2921.xml
>
>
> Given an rfc822 email that has two inline body parts (such as the one
> attached), MailContentHandler's handleInlineBodyPart() method correctly
> identifies the body part that should be emitted as the principal content of
> the mail item, but then uses
> EmbeddedDocumentUtil.tryToFindExistingLeafParser() to find a parser for that
> part. If no existing leaf parser is found, it simply gives up and treats the
> given part as an attachment.
> IMHO, the correct behaviour would be to create the necessary parser if none
> is found, insert it into the parsing context, and use it to extract the
> content of the selected body part.
> In the meantime, I'm working around the issue by creating and registering a
> custom EmbeddedDocumentExtractor to guess whether it's been called by the
> RFC822Parser by looking at the "X-Parsed-By" metadata value. When triggered,
> it looks at the Content-Type of the passed-in metadata, and if it's plain
> text or email, it creates a new TXTParser or HTMLParser and a new context,
> and has them parse into the passed-in ContentHandler. It works, but it's
> pretty hacky. It'd be far better to have the change in behaviour suggested
> above.
> [^test.eml]
> ^I've attached the email inline because using the attachment field yields an
> error: "JIRA could not attach the file as there was a missing token. Please
> try attaching the file again." I tried twice with the same error returned.^
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