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https://issues.apache.org/jira/browse/CAMEL-12078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287969#comment-16287969
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Tim Dudgeon commented on CAMEL-12078:
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Here is a unit test that fails currently as the DataSoruce is read twice:
https://github.com/tdudgeon/camel/commit/721b9851f5537a22b5353a2f7c5da62d8bcfe766
It's on my fork. Do you want a PR (the test fails at present)?
> MIME-Mutipart DataFormat reads attachment DataSource twice
> ----------------------------------------------------------
>
> Key: CAMEL-12078
> URL: https://issues.apache.org/jira/browse/CAMEL-12078
> Project: Camel
> Issue Type: Bug
> Components: camel-mail
> Affects Versions: 2.20.1
> Reporter: Tim Dudgeon
> Priority: Minor
>
> As reported on mailing list if an attachment for MIME-Mutipart DataFormat is
> defined using a DataSource that can only be read once you get an exception.
> http://mail-archives.apache.org/mod_mbox/camel-users/201712.mbox/%3C0e0d4b2e-dc32-c61e-3ccd-7ee14238c485%40gmail.com%3E
> For instance, this happens if the DataSource is created using an InputStream
> that cannot be read multiple times
> It should be possible to post the data only reading the input a single time.
> I will add a test case shortly.
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