Re: [tlug] Printer Not Responding

[Dave M G <martin@example.com>]

I just discovered a new error message in the CUPS web interface. I got 
the error by doing this:

First I tried to print a test page. It shows the job as complete. The 
printer does nothing. I then click to reprint the job, and CUPS displays 
a page which says only this:

Error
client-error-not-possible

By searching on the net, I found a page that suggested the problem was a 
missing package called gs-esp. However, I used apt-get, and it turned 
out that I already had it, so that was a dead end. But the same page 
reminded me of the CUPS error log. Here's what a tail of that log reveals:

dave@example.com:/etc/cups$ tail /var/log/cups/error_log
D [10/Apr/2006:17:31:20 +0900] cupsdReadClient: 5 POST / HTTP/1.1
D [10/Apr/2006:17:31:20 +0900] cupsdAuthorize: No authentication data 
provided.
D [10/Apr/2006:17:31:20 +0900] cupsdProcessIPPRequest: 5 status_code=0 
(successful-ok)
D [10/Apr/2006:17:31:20 +0900] cupsdReadClient: 5 POST / HTTP/1.1
D [10/Apr/2006:17:31:20 +0900] cupsdAuthorize: No authentication data 
provided.
D [10/Apr/2006:17:31:20 +0900] cupsdProcessIPPRequest: 5 status_code=1 
(successful-ok-ignored-or-substituted-attributes)
D [10/Apr/2006:17:31:25 +0900] cupsdReadClient: 5 POST / HTTP/1.1
D [10/Apr/2006:17:31:25 +0900] cupsdAuthorize: No authentication data 
provided.
E [10/Apr/2006:17:39:48 +0900] LoadAllSubscriptions: Unable to open 
/etc/cups/subscriptions.conf - No such file or directory
E [10/Apr/2006:22:25:45 +0900] LoadAllSubscriptions: Unable to open 
/etc/cups/subscriptions.conf - No such file or directory

I then tried looking up the error "No authentication data provided", but 
hit a wall. On the cups.org web site, it had a list of twelve possible 
problems, but I'm a little lost as to narrow them down:
http://www.cups.org/articles.php?L291+I0+TFAQ+P1+Q

Is there anything here which may help shed light on the problem?

--
Dave M G