Solved. This missing point was "always_direct allow all" (or at least an explicit rule to allow direct access for forwarded requests). Is this a bug? Isn't the default setting for "always_direct" to allow all direct requests? Best regards -Stefan- On Wed, 2005-12-21 at 10:18 +0100, Stefan Palme wrote: > Hello, > > I have a very simple ESI configuration using squid in front of > a Zope server. Incoming client requests are rewritten using a > redirector. > > When I submit a client request from a browser I get an error message > from squid: > > > ------------------------------------------------------------------------ > While trying to retrieve the URL: > http://127.0.0.1:8080/VirtualHostBase/http/devel:80/plone/VirtualHostRoot/test.html > > The following error was encountered: > > * Unable to forward this request at this time. > > This request could not be forwarded to the origin server or to any > parent caches. The most likely cause for this error is that: > > * The cache administrator does not allow this cache to make direct > connections to origin servers, and > * All configured parent caches are currently unreachable. > ------------------------------------------------------------------------ > > > In the cache_log I see the following (after increasing the appropriate > debug level): > > > fwdStart: 'http://127.0.0.1:8080/VirtualHostBase/http/devel:80/plone/VirtualHostRoot/test.html' > fwdStartComplete: http://127.0.0.1:8080/VirtualHostBase/http/devel:80/plone/VirtualHostRoot/test.html > fwdStartFail: http://127.0.0.1:8080/VirtualHostBase/http/devel:80/plone/VirtualHostRoot/test.html > fwdFail: ERR_CANNOT_FORWARD "Service Unavailable" > http://127.0.0.1:8080/VirtualHostBase/http/devel:80/plone/VirtualHostRoot/test.html > fwdStateFree: 0x853c018 > > > The client, squid and Zope are all running on the same host. When > I enter the above URL, which causes the error in squid, directly in > the browser, it works - i.e. I don't get "Service Unavailable". > > When sniffing the network traffic between squid and Zope, there is > *NO* connection attempt from squid to Zope. So squid decides from its > own point of view, that the "Service is Unavailable". > > There seems to be a problem with request forwarding in squid. > Can anyone help? My squid configuration is attached below. > > Best regards > -Stefan- > > > -- ------------------------------------------------------------------- Dipl. Inf. (FH) Stefan Palme email: kleiner@xxxxxxxxxxxxxxx www: http://hbci4java.kapott.org icq: 36376278 phon: +49 341 3910484 fax: +49 1212 517956219 mobil: +49 178 3227887 key fingerprint: 1BA7 D217 36A1 534C A5AD F18A E2D1 488A E904 F9EC -------------------------------------------------------------------
