Your message dated Sat, 29 Nov 2014 11:41:09 +0100 with message-id <[email protected]> and subject line Re: Bug#771121: security-tracker: often returns "502 Proxy Error" has caused the Debian Bug report #771121, regarding security-tracker: often returns "502 Proxy Error" to be marked as done.
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--- Begin Message ---Package: security-tracker Severity: important Hello everybody! I have been experiencing frequent issues with the web interface of the security tracker for some weeks and I am still experiencing them: when visiting the tracker pages [1], I often get the following error message in my browser: | Proxy Error | | The proxy server received an invalid response from an upstream server. | The proxy server could not handle the request GET /tracker/DSA-3077-1. | | Reason: Error reading from remote server | | Apache Server at security-tracker.debian.org Port 443 After a (variable) number of attempts, the web server finally decides that the page is to be served and everything seems to work fine, until another error message appears when visiting some other page. Am I the only one who experiences such issues? I was hoping to see the problem fixed, but no joy yet... Could someone please investigate the issue and fix it? Thanks a lot for your time! Bye. [1] such as, for instance, https://security-tracker.debian.org/tracker/DSA-3077-1
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--- Begin Message ---* Francesco Poli: > I have been experiencing frequent issues with the web interface of the > security tracker for some weeks and I am still experiencing them: > when visiting the tracker pages [1], I often get the following error > message in my browser: > > | Proxy Error > | > | The proxy server received an invalid response from an upstream server. > | The proxy server could not handle the request GET /tracker/DSA-3077-1. > | > | Reason: Error reading from remote server > | > | Apache Server at security-tracker.debian.org Port 443 I think I may have fixed this in r30431, at least for the time being. The reason for the issue was that threading support was not actually active in the Python backend. However, there might now be other issues because the code has never been tested with threading (but I was careful when I wrote it not to use global variables for passing around data, so hopefully there won't be any problems). The fix is only temporary because at a certain point, broken bots scraping information from the HTML pages may overload the server again. There are several of them requesting the same CVE page again and again, but it's difficult tell what's actually going because of the privacy-enhanced logging.
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