Download/Upload from list downloads empty images

Hi all,

I am using Download/Upload from list node in order to download images from a list of URL. Although it generally works, it sometimes downloads empty image files without warning.

For example, it happens for

When converting this URL, from string to URI it becomes:
URI:; EXT: png

Thank your very much in advance

Is it possible that the URI is failing because of the semicolon tacked on at the end, or is that just a result of you pasting the URI from KNIME to the forum?

If that’s not the issue, it would be helpful for you to upload a workflow that reliably reproduces the problem.

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Thank you for the response. The semicolon tacked on at the end was just me pasting the URI from KNIME.

I solved the problem by using curl on the External Tool node.

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