Unable to queue from stdin-unknown

[Jen Roidt]

We are having the exact same issue using cups 1.4.2. We just switched from a SCO Unix box to RHEL 6 and didnt have any issue with printing in SCO but we did not use cups.



> Sue,
>
> "cupsctl --debug-logging" is the command that changes the LogLevel directive in the cupsd.conf file. If you'd prefer editing cupsd.conf, make sure the LogLevel line reads:
>
> 	LogLevel debug
>
> (you'll need to restart cupsd if you change the file by hand)
>
> On Sep 2, 2011, at 9:52 AM, Sue Toeppler wrote:
>
> > Does this go in the cupsd.conf?
> >
> >
> >
> >> If you enable debug logging you might see more details in the error_log:
> >>
> >> 	cupsctl --debug-logging
> >>
> >> I suspect the failed print requests are empty files...
> >>
> >> On Aug 26, 2011, at 7:12 AM, Sue Toeppler wrote:
> >>
> >>> We're running Cups 1.4.6.
> >>>
> >>> We periodically receive this message when sending a print request to a network printer from a Cobol program "ERROR - unable to queue from stdin - Unknown".  The user tries again and it works ok.
> >>>
> >>> This message in the error_log file appears to coincide with the error:
> >>>
> >>> E [26/Aug/2011:07:42:09 -0500] Returning IPP client-error-bad-request for Send-Document (ipp://localhost:631/printers/Trailer1025) from local
> >>> host
> >>>
> >>> Any ideas as to why this happens?
> >>> _______________________________________________
> >>> cups mailing list
> >>> cups at easysw.com
> >>> http://lists.easysw.com/mailman/listinfo/cups
> >>
> >> ________________________________________________________________________
> >> Michael Sweet, Senior Printing System Engineer, PWG Chair
> >>
> >
> > _______________________________________________
> > cups mailing list
> > cups at easysw.com
> > http://lists.easysw.com/mailman/listinfo/cups
>
> ________________________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>
>
>
>
>