Fail to locate main schema resource

https://travis-ci.org/DonClysdale/NIEM-EIEM/builds/570802070

Can’t locate/access schema from URL? Note that schema can be accessed from browser.

Command: xmllint --schema http://tools.niem.gov/IEPD/mpd-catalog-3.0.xsd mpd-catalog.xml

Messages:
error : Unknown IO error
warning: failed to load external entity “http://tools.niem.gov/IEPD/mpd-catalog-3.0.xsd
Schemas parser error : Failed to locate the main schema resource at ‘http://tools.niem.gov/IEPD/mpd-catalog-3.0.xsd

Please review the command invocation. I get the same error message when I try it. My guess is that xmllint does not handle xml files over HTTP, so you’ll need to fetch the schema separately and specify it as a local file.

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