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"host parameter is null"

Hi there. I've had this podcast for a couple months now. I've been able to suscribe to it directly in itunes, but always get the error "We had difficulty reading this feed. host parameter is null" when submitting it to the itunes store. Please help me with my feed. I don't know what's wrong with it. It is generated by iWeb. The URL is http://www.farodeluz.ca/Site/Sermones/rss.xml

Macbook, Mac OS X (10.5.4)

Posted on Jul 30, 2008 11:58 AM

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22 replies

Aug 2, 2008 1:07 AM in response to eggomiego

Well.. i mean its an apple program.. so it follows itunes guidelines. All it does is generate an RSS according to the entries that have been added to it. If you guys know your stuff.. you should be able to look at the rss.xml and be able to figure it out. iWeb just made it.. it didnt publish it directly to iTunes.. i'm the one publishing it.

Aug 2, 2008 3:09 AM in response to eggomiego

The xml file looks OK. The problem may lie with the media. The first item's URL is
http://www.farodeluz.ca/Site/Media/Sermon%20Julio%2027%2008.m4a
However downloading it produces a file with the same name but .txt on the end. Similarly trying to open the URL: in Safari produces a page of text (the code for the file) instead of playing it.

Where is the file being hosted? How did you upload it? If iDisk, did you use Goliath? - this can cause this sort of problem. Try uploading by dragging it to your mounted iDisk. If another server, and you used ftp to upload it, the server is treating it as a text file and needs to be configured to serve it as an m4a file. This is something you would have to take up with the people running the server.

Aug 2, 2008 2:59 PM in response to eggomiego

eggomiego wrote:
Hi there. Are you sure? I went through each one of the links inside the RSS feed. Each one that i click, Safari starts to download. I also try it with the URL directly, safari downloads it aswell. I am the one running the server.


Well, I don't understand why, but definitely when I copied the address of the media file to the address bar in Safari (3) and it return I got an increasingly long page of garbage text - in other words the file data being served as text.

Your upload method ought to work OK. Incidentally, though I'm not at all sure that this would affect the matter, as a normal thing it's not good practice to have spaces in the names of files going to a server, since they have to be converted to code.

Aug 3, 2008 12:54 AM in response to Dr Greg

Dr Greg wrote:
Your feed still shows as missing the owner's email address: http://www.feedvalidator.org/check.cgi?url=http%3A%2F%2Fwww.farodeluz.ca%2FSite% 2FSermones%2Frss.xml

This is essential information as it's the only way Apple can contact a feed owner. Perhaps the error message is caused by this?


No, that's not it - my feed doesn't have the email tag either, and there's no problem with it. Apple can contact the owner via the address registered in iTunes.

Thinking about it, I wonder whether the spaces in the filenames are the issue - possibly iTunes won't handle them. I suggest renaming the file to remove them and trying again.

Aug 4, 2008 2:23 AM in response to eggomiego

The subscribe under 'advanced' appears to work but though it appeared to be downloading I couldn't get it to play: this might be just me not having the latest iTunes - did it play for you when you did this?

If I enter the URL of the media file in Safari I still get a text file. It does play OK from the web page in the 'link' tag for the episode. So it still appears to be being served as text, not a media file. I don't know whether this could cause the iTunes problem - I would still have expected the podcast to show, even if the files didn't play. (It doesn't appear by searching either).

I notice that when I download the feed file it's called rss.xml.rss - it should just be rss.xml - I don't know how the final .rss has got there, but see if you can remove it: that might be enough to cause problems.

Is this purely an audio podcast? - if so, why not just use mp3 files? - I don't know whether the use of m4a is part of the problem, but there seems little point in using it for audio.

"host parameter is null"

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