On 09.12.2009 03:43, Amos Jeffries wrote: > On Tue, 08 Dec 2009 20:40:12 +0200, Arthur Titeica > <arthur.titeica@xxxxxxxxx> wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 06.12.2009 16:20, Arthur Titeica wrote: >>> Hi, >>> >>> Recently I see lots of the following in my squid logs >>> >>> 1259130624.131 0 89.42.191.44 NONE/400 3172 GET >>> > (null)://example.com/Contab/Rapoarte/Rapoarte_obisnuite.asp?strCategorie=ContPart >>> - NONE/- text/html >>> >>> 1259141404.195 0 89.122.203.185 NONE/400 3200 POST >>> > (null)://example.com/Contab/NoteContabile/NoteContabUpd.asp?op=MODPOZ&NotaContabId=185 >>> - NONE /- text/html >>> >>> >>> Squid is: Squid Cache: Version 3.1.0.14-20091120 on Ubuntu Server 9.04 >>> x86 and the clients are Windows mostly with IE8 but also with older IE, >>> Opera and Firefox. >>> >>> Squid is acting as a reverse proxy in this case and it has worked like >>> that for at least an year now. Only recently I started seeing these > kind >>> of errors. The client receives the usual squid error and a client >>> refresh solves it in general. >>> >> >> And here bellow is the full error text: >> >> ERROR >> The requested URL could not be retrieved >> >> - >> > -------------------------------------------------------------------------------- >> >> The following error was encountered while trying to retrieve the URL: >> (null)://example.com/test/ >> >> Invalid URL >> >> Some aspect of the requested URL is incorrect. >> >> Some possible problems are: >> >> •Missing or incorrect access protocol (should be “http://”; or similar) >> >> •Missing hostname >> >> •Illegal double-escape in the URL-Path >> >> •Illegal character in hostname; underscores are not allowed. >> >> Your cache administrator is email@xxxxxxxxxxxx >> > > Usually spotted when Squid is sent a request for: > > GET example.com/somepage HTTP/1.0 > > Instead of the correct: > GET http://example.com/somepage HTTP/1.0 > > May also appear for other custom or unknown protocol namespace URIs such > as: > GET randomjoes://example.com/somepage HTTP/1.0 > > Amos > > [Once again for the list. Sorry Amos.] For further reference this was caused by resolvconf on debian which triggered a 'squid -k reconfigure' every hour or so (hourly reconnection of a VPN). During the time of the reconfigure (10 secs or so) squid displayed the above message which, I have to say, is way too misleading.
