[MarkLogic Dev General] xdmp:http-head questions

[Jakob Fix]

Hi,

I have two questions related to xdmp:http-head.

One, I need to check the availability of a number of URLs. xdmp:http-head
seems to be the appropriate method. Is it correct to assume that the best
way to handle timeouts and 404s is to use try {} catch blocks and look at
the error message's code value?

Two, the documentation is not really clear about the possible responses.

let $head := xdmp:http-head($aUrl)
let $httpCode :=$head[1]/response/code (: => returns an empty sequence :)

In cq, I can see the XML of the $head, but trying to access elements inside
always returns an empty sequence. How can I access the contents of the XML
response?

thanks,
Jakob.
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