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Description of problem:
When using cups-browsed, I get for every printer queue that is created the following error:
Feb 15 18:43:24 dhcp-64-74.muc.redhat.com cupsd[12399]: [Client 44] Returning IPP client-error-bad-request for CUPS-Add-Modify-Printer (ipp://localhost:631/printers/BRQ_brno2-3rd-floor) from localhost
Feb 15 18:43:24 dhcp-64-74.muc.redhat.com cupsd[12399]: REQUEST localhost - root "POST /admin/ HTTP/1.1" 200 192 CUPS-Add-Modify-Printer client-error-bad-request
Feb 15 18:43:25 dhcp-64-74.muc.redhat.com cupsd[12399]: REQUEST localhost - root "POST /admin/ HTTP/1.1" 200 246404 CUPS-Add-Modify-Printer successful-ok
Feb 15 18:43:25 dhcp-64-74.muc.redhat.com cupsd[12399]: [Client 44] Returning IPP client-error-bad-request for CUPS-Add-Modify-Printer (ipp://localhost:631/printers/BRQ_brno2-3rd-floor_color) from localhost
Feb 15 18:43:25 dhcp-64-74.muc.redhat.com cupsd[12399]: REQUEST localhost - root "POST /admin/ HTTP/1.1" 200 198 CUPS-Add-Modify-Printer client-error-bad-request
Feb 15 18:43:26 dhcp-64-74.muc.redhat.com cupsd[12399]: REQUEST localhost - root "POST /admin/ HTTP/1.1" 200 246392 CUPS-Add-Modify-Printer successful-ok
Feb 15 18:43:26 dhcp-64-74.muc.redhat.com cupsd[12399]: [Client 44] Returning IPP client-error-bad-request for CUPS-Add-Modify-Printer (ipp://localhost:631/printers/BRQ_brno2-4th-floor) from localhost
Feb 15 18:43:26 dhcp-64-74.muc.redhat.com cupsd[12399]: REQUEST localhost - root "POST /admin/ HTTP/1.1" 200 192 CUPS-Add-Modify-Printer client-error-bad-request
Version-Release number of selected component (if applicable):
RHEL 8
cups-2.2.6-25.el8.x86_64
cups-filters-1.20.0-14.el8.x86_64
How reproducible:
Always
Steps to Reproduce:
1. add a server to /etc/cups/cups-browsed.conf (via BrowsePoll)
2. journalctl -u cups -e -f
3. systemctl restart cups-browsed.service
Actual results:
The printers are showing up one by one rather slow
Expected results:
The printers from the cups server should show up quickly without an error
Additional info:
lpstat -v shows that all printer queues are created and printing works
This was working without errors on RHEL 7.x
Hi Oliver,
thank you for reporting the issue! I was able to reproduce the issue and the same error seems to be in Fedora as well and my suspicion is the cups-browsed is trying to set printer-is-shared option, which is not permitted for remote CUPS queues. I'll look into the code how I could fix it for remote CUPS queues.
About the 'print queues show up quickly' issue - I'm not sure about fixing it, since cups-browsed does a lots more stuff than it did in RHEL7, so IMO it is slower by design.
Since I do not have the patch yet, setting CondNack.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (cups-filters bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2020:4637