Date: Thu, 13 Oct 1994 23:31:09 +0100
Message-Id: <94Oct13.130509edt.4457@janus.border.com>
From: Steven Lamb <slamb@border.com>
To: Multiple recipients of list <www-proxy@www0.cern.ch>
Subject: Re: Truncated GIF on HTTP0 response.
I will look into upgrading the response from HTTP0 from HTTP1.
On Thu, 13 Oct 1994, Phil Trubey wrote:
> When the Cern v3.0 proxy retrieves a gif (probably same symptoms for other
> files too) from a server and the server returns an HTTP0 response
> code back, the resulting gif file gets truncated. Here is a verbose
> output from a Cern server when this happens. The file
> http://janus.netpart.com/janus-logo.gif is being grabbed from
> janus.netpart.com. You'll note that the cern proxy tries to cache the
> file and then gives up, complaining about an HTTP0 response code. I
> actually don't know if this is what is causing the gif truncation, but
> the reality is that the GIF is being truncated when the cern server tries
> to get the file.
>
> Here's the cern server verbose output:
>
> Daemon...... New incoming connection
> Daemon...... accepting connection...
> Accepted.... new socket 7
> StandAlone.. Doing fork()
> HTHandle.... fork() succeeded
> Next timeout after 2 hours 42 mins 44 secs
> Daemon...... Waiting for connection (Mask=40 hex, max=7 hex).
> Child....... I'm alive
> Linger...... no longer set by default
> TCP......... Peer name is `localhost'
> Reading..... socket 7 from host 127.0.0.1
> HTSimplify.. `http://janus.netpart.com/janus-logo.gif' into
> ............ `http://janus.netpart.com/janus-logo.gif'
> Pass........ rule matched "http://janus.netpart.com/janus-logo.gif" -> "http://janus.netpart.com/janus-logo.gif"
> Passing..... "http://janus.netpart.com/janus-logo.gif"
> AuthCheck... Translated path: "http://janus.netpart.com/janus-logo.gif" (method: GET)
> AccessOk.... No protect rule for proxy access
> Forwarding.. URL `http://janus.netpart.com/janus-logo.gif'
> AA.......... check returned 200
> Translated.. "http://janus.netpart.com/janus-logo.gif"
> SysInfo..... www means user (www:Phkb2qvKZkT2M:106:9:...)
> SysInfo..... www means group (www:*:9:...)
> Doing... setgid(9) and setuid(106)
> Caching..... 'cause didn't match NoCaching and no CacheOnly given
> Cache....... Looking up cache file for "http://janus.netpart.com/janus-logo.gif"
> Cache....... dir "/var/www/http" already exists
> Cache....... dir "/var/www/http/janus.netpart.com" already exists
> Lockfile.... created: /var/www/http/janus.netpart.com/janus-logo.gif.cache_lock
> Cache....... Writing to lockfile "/var/www/http/janus.netpart.com/janus-logo.gif.cache_lock"
> Need to..... find content-length for http:
> FindAnchor.. 0x79980 with hash 38 and address `http://janus.netpart.com/janus-logo.gif' created
> HTAccess.... Loading document http://janus.netpart.com/janus-logo.gif
> HTTP........ Looking for `http://janus.netpart.com/janus-logo.gif'
> Composing Authorization for janus.netpart.com:80/janus-logo.gif
> HTAASetup_lookup: No template matched `janus-logo.gif' (so probably not protected)
> HTTP........ Not sending authorization (yet)
> HTDoConnect. Looking up `janus.netpart.com'
> HostCache... Adding single-homed host `janus.netpart.com'
> ParseInet... Parsed address as port 80 on 199.35.49.66
> HTDoConnect. Created socket number 9
> HTTP........ Connected, socket 9
> HTTP Tx..... GET /janus-logo.gif HTTP/1.0
> User-Agent: Proxy gateway CERN-HTTPD/3.0 libwww/2.17
>
> Waiting..... for response
> DARN........ I got HTTP0 response back - how rude!
> Cache....... Canceling "http://janus.netpart.com/janus-logo.gif"
> Removing.... cache lock "/var/www/http/janus.netpart.com/janus-logo.gif.cache_lock"
> HTTP........ Closing socket 9
> HTAccess.... `http://janus.netpart.com/janus-logo.gif' has been accessed.
> Socket...... 7 disconnected by peer
> Child....... exiting with status 0
> Parent...... child pid 743 has finished
> Parent...... 0K taken up by child, total 610K used
> Next timeout after 2 hours 42 mins 8 secs
> Daemon...... Waiting for connection (Mask=40 hex, max=7 hex).
>