WXforum.net
Web Weather => Weather Web Site Help => Topic started by: saratogaWX on November 27, 2006, 03:43:06 PM
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For a while now, I've had the occasional strange "Error 500 - internal server error' when browsing my homepage, and couldn't figure out what was causing it.
Today it happened again and I isolated it to the rss-advisory-test-c.php (RSS Advisory script) that was accessing
http://www.weather.gov/alerts/wwarssget.php?zone=CAZ513
Instead of returning XML, it was waiting about 60 seconds and returning a page that said:
Information Alert
Status : 504 Gateway Time-Out
Description : Lost connection to origin server.
in HTML, not XML. Looks like some reverse proxy for weather.gov was having a problem.
Now to figure out a long-term solution for it.
Ken
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I believe feed2js caches the RSS content on the server, and then feeds the RSS content from there. I have my feed2js set to 5 minute updates, where the stock setting is an hour.
If you don't want to use feed2js directly, maybe you can read the cache with PHP.
Lemmeno if you want to explore my installation.
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It looks like weather.gov has been having a lot of problems lately. I have several feeds set up on my site using CaRP and my site will hang up for awhile and then get the following message in some of the feeds. I get those kinds of errors once in awhile but, tonight has been especially bad.
[CaRP] XML error: not well-formed (invalid token) at line 10 - This appears to be an HTML webpage, not a feed.
I am also using feed2js on another web page and it is having similar problems trying to read the feeds.
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I noticed the same thing. We are having problems on the east coast to so for now I took it down. :( I'll check on it tomorrow. Good thing there are no weather warnings in SWFla right now.
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Yes, it happened today again.. one server (a reverse proxy probably) was unable to connect.
I'm going to rewrite part of the rss-advisory.php script to handle this specific problem and post "NOAA advisorys are temporarily unavailable." as the return message.
Ken
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Now is seems that there is no DNS for 'www.weather.gov'
12/04/06 23:27:27 dns www.weather.gov
No DNS for this address
(host doesn't exist)
12/04/06 23:31:32 whois weather.gov
.gov is a domain of USA Federal Government
whois -h whois.nic.gov weather.gov ...
% DOTGOV WHOIS Server ready
Domain Name: weather.gov
Status: Active
12/04/06 23:36:01 dig weather.gov @ 68.87.78.130
Dig weather.gov@68.87.78.130 ...
Non-authoritative answer
Recursive queries supported by this server
Nameserver has a problem and can't talk right now
Hmmmm
Houston, we have a problem...
Ken
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Well it looks like the problem just cleared up, for the moment anyway. Even going to their alerts page to look at the feed was taking forever. It was sure acting crazy. If I didn't get an error on one feed, it would be another or just get a blank display with no error. I hope they fixed whatever was ailing their system.
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Yes, it is resolving now:
12/05/06 00:13:34 dig www.weather.gov @ 68.87.78.130
Dig www.weather.gov@68.87.78.130 ...
Non-authoritative answer
Recursive queries supported by this server
Query for www.weather.gov type=255 class=1
www.weather.gov CNAME (Canonical Name) prpx.service.mirror-image.net
12/05/06 00:14:37 dig prpx.service.mirror-image.net @ 68.87.78.130
Dig prpx.service.mirror-image.net@68.87.78.130 ...
Non-authoritative answer
Recursive queries supported by this server
Query for prpx.service.mirror-image.net type=255 class=1
prpx.service.mirror-image.net A (Address) 65.216.72.120
Maybe the're moving servers and just screwed up the DNS propagation.
Ken
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And probably getting itself all confused in the process. At least my page isin't getting hung up and feeds whacked at the moment.
And BTW, have noticed that some of the item descriptions in the feeds are getting cutoff or truncated? I noticed it a few days ago and sent them email asking if that was the way it was supposed to be or if they had a problem. I got a response back from the Internet Projects Specialist saying it was an "unplanned change" and would look into it but, it doesn't look like they fixed it yet
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Now is seems that there is no DNS for 'www.weather.gov'
Here's a looking glass site that you might find handy for future reference, as it's the one I use here.
http://looking-glass.optus.net.au/
Whilst it is in Australia, it might give you an alternative to try if your normal ones aren't working. :)