As far as I can tell from the code it should return HTTP_BAD_GATEWAY, i.e. HTTP 502. You can use the ErrorDocument directive to specify a HTML page to return to the client in case the error occurs.
-ascs -----Original Message----- From: Matthew Claridge [mailto:[EMAIL PROTECTED] Sent: Friday, May 12, 2006 3:30 PM To: users@httpd.apache.org Subject: Re: [EMAIL PROTECTED] Proxy errors Thanks for this - I've tried changing the timeout so I'll see what happens. Is it possible to catch the error and display something nicer instead? cheers Matt on 12/05/2006 10:27 Axel-Stéphane SMORGRAV said the following: >The error you are referring to is generated during the processing of the >backend server response. It may be due to the backend server closing the >connection, or the connection timing out. > >The timeout is 5 minutes by default, so unless the request really takes that >long to process, I think it is more likely that this is due to the remote >server having closed the connection. > >The timeout value can be changed. ProxyTimeout surely applies, but you may >also have to change Timeout. > >-ascs > > >-----Original Message----- >From: Matthew Claridge [mailto:[EMAIL PROTECTED] >Sent: Thursday, May 11, 2006 1:55 PM >To: users@httpd.apache.org >Subject: [EMAIL PROTECTED] Proxy errors > >Hi, > >I'm seeing the following in my apache error log: > >proxy: Error reading from remote server > >But I'm having trouble tying it up to a request in the access log and also >having problem diagnosing the exact fault. Can I therefore ask a few questions? > >1. We use mod_proxy as part of a whole pile of URL rewriting we do. I >*think* the proxy is timing out during the rewriting process, possibly because >Apache gets busy. We also limit the bandwidth on this site so that might be >causing the timeout. Does this seem a reasonable explanation? Or does anyone >else have any other ideas? > >2. Another possibility is that a lot of our pages make http requests to >external services behind the scenes, before returning to the user. If these >external services fail to respond, this may also cause the proxy timeout. >Comments? > >3. I have ProxyErrorOverride turned on, but does this error have an associated >HTTP 1.1 status code that I can trap and then give a better error? I don't see >anything in the access logs, but that might be because its trapped inside >mod_rewrite. > >4. When this error occurs, it doesn't seem to be either <Timeout> or ><ProxyTimeout> after the request is made. My understanding is that this error >occurs because the proxy times out, but which timeout value is it supposed to >use? > >Thanks in advance for any help you can give. > >cheers >Matt >-- >Matthew Claridge >Product Support Engineer >RWA Limited > >Tel: 02920 815 054 >Email: [EMAIL PROTECTED] >Web: www.rwa-net.co.uk > > >--------------------------------------------------------------------- >The official User-To-User support forum of the Apache HTTP Server Project. >See <URL:http://httpd.apache.org/userslist.html> for more info. >To unsubscribe, e-mail: [EMAIL PROTECTED] > " from the digest: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > >--------------------------------------------------------------------- >The official User-To-User support forum of the Apache HTTP Server Project. >See <URL:http://httpd.apache.org/userslist.html> for more info. >To unsubscribe, e-mail: [EMAIL PROTECTED] > " from the digest: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > >_____________________________________________________________________ >This e-mail has been scanned for viruses by Verizon Business Internet >Managed Scanning Services - powered by MessageLabs. For further >information visit http://www.mci.com > > -- Matthew Claridge Product Support Engineer RWA Limited Tel: 02920 815 054 Email: [EMAIL PROTECTED] Web: www.rwa-net.co.uk --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: [EMAIL PROTECTED] " from the digest: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: [EMAIL PROTECTED] " from the digest: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
