ja, so sah die URL aus, andere Adresse und gleicher Port.
In der Warteschlange wird "Filter failed" angezeigt.
tail -n 100 -f /var/log/cups/error_log
D [18/Jun/2026:10:21:49 +0200] [Client 9] Closing connection.
D [18/Jun/2026:10:21:49 +0200] cupsdSetBusyState: newbusy="Active clients, printing jobs, and dirty files", busy="Active clients, printing jobs, and dirty files"
D [18/Jun/2026:10:21:49 +0200] [Client 8] con->http=0x562168eba7e0
D [18/Jun/2026:10:21:49 +0200] [Client 8] cupsdWriteClient error=0, used=0, state=HTTP_STATE_GET_SEND, data_encoding=HTTP_ENCODING_CHUNKED, data_remaining=0, response=(nil)(), pipe_pid=18872, file=19
D [18/Jun/2026:10:21:49 +0200] [Client 8] Waiting for CGI data.
D [18/Jun/2026:10:21:49 +0200] [Client 8] con->http=0x562168eba7e0
D [18/Jun/2026:10:21:49 +0200] [Client 8] cupsdWriteClient error=0, used=0, state=HTTP_STATE_GET_SEND, data_encoding=HTTP_ENCODING_CHUNKED, data_remaining=0, response=(nil)(), pipe_pid=18872, file=19
D [18/Jun/2026:10:21:49 +0200] [Client 8] Waiting for CGI data.
D [18/Jun/2026:10:21:49 +0200] [Client 8] CGI data ready to be sent.
D [18/Jun/2026:10:21:49 +0200] [Client 8] con->http=0x562168eba7e0
D [18/Jun/2026:10:21:49 +0200] [Client 8] cupsdWriteClient error=0, used=0, state=HTTP_STATE_GET_SEND, data_encoding=HTTP_ENCODING_CHUNKED, data_remaining=0, response=(nil)(), pipe_pid=18872, file=19
D [18/Jun/2026:10:21:49 +0200] [Client 8] Waiting for CGI data.
D [18/Jun/2026:10:21:49 +0200] [Client 8] Sending 0-length chunk.
D [18/Jun/2026:10:21:49 +0200] [Client 8] Flushing write buffer.
D [18/Jun/2026:10:21:49 +0200] [Client 8] New state is HTTP_STATE_WAITING
D [18/Jun/2026:10:21:49 +0200] [Client 8] Waiting for request.
D [18/Jun/2026:10:21:49 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Active clients, printing jobs, and dirty files"
D [18/Jun/2026:10:21:49 +0200] PID 18872 (/usr/lib/cups/cgi-bin/printers.cgi) exited with no errors.
D [18/Jun/2026:10:21:50 +0200] Expiring subscriptions...
I [18/Jun/2026:10:21:52 +0200] Saving printers.conf...
I [18/Jun/2026:10:21:52 +0200] Saving job.cache...
I [18/Jun/2026:10:21:52 +0200] Saving subscriptions.conf...
D [18/Jun/2026:10:21:52 +0200] cupsdSetBusyState: newbusy="Printing jobs", busy="Printing jobs and dirty files"
D [18/Jun/2026:10:21:52 +0200] Expiring subscriptions...
D [18/Jun/2026:10:21:59 +0200] [Client 5] HTTP_STATE_WAITING Closing for error 32 (Broken pipe)
D [18/Jun/2026:10:21:59 +0200] [Client 5] Closing connection.
D [18/Jun/2026:10:21:59 +0200] cupsdSetBusyState: newbusy="Printing jobs", busy="Printing jobs"
D [18/Jun/2026:10:21:59 +0200] Expiring subscriptions...
D [18/Jun/2026:10:22:00 +0200] Expiring subscriptions...
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Active clients and printing jobs", busy="Printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] Server address is "/run/cups/cups.sock".
D [18/Jun/2026:10:22:01 +0200] [Client 10] Accepted from localhost (Domain)
D [18/Jun/2026:10:22:01 +0200] [Client 10] Waiting for request.
D [18/Jun/2026:10:22:01 +0200] Expiring subscriptions...
D [18/Jun/2026:10:22:01 +0200] [Client 10] POST / HTTP/1.1
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Active clients and printing jobs", busy="Active clients and printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] Read: status=200, state=6
D [18/Jun/2026:10:22:01 +0200] [Client 10] No authentication data provided.
D [18/Jun/2026:10:22:01 +0200] [Client 10] 2.0 CUPS-Get-Printers 1
D [18/Jun/2026:10:22:01 +0200] CUPS-Get-Printers
D [18/Jun/2026:10:22:01 +0200] [Client 10] Returning IPP successful-ok for CUPS-Get-Printers (no URI) from localhost.
D [18/Jun/2026:10:22:01 +0200] [Client 10] Content-Length: 1300
D [18/Jun/2026:10:22:01 +0200] [Client 10] cupsdSendHeader: code=200, type="application/ipp", auth_type=0
D [18/Jun/2026:10:22:01 +0200] [Client 10] con->http=0x562168ec5f40
D [18/Jun/2026:10:22:01 +0200] [Client 10] cupsdWriteClient error=0, used=0, state=HTTP_STATE_POST_SEND, data_encoding=HTTP_ENCODING_LENGTH, data_remaining=1300, response=0x562168ea7170(IPP_STATE_DATA), pipe_pid=0, file=-1
D [18/Jun/2026:10:22:01 +0200] [Client 10] Writing IPP response, ipp_state=IPP_STATE_DATA, old wused=0, new wused=0
D [18/Jun/2026:10:22:01 +0200] [Client 10] bytes=0, http_state=0, data_remaining=1300
D [18/Jun/2026:10:22:01 +0200] [Client 10] Flushing write buffer.
D [18/Jun/2026:10:22:01 +0200] [Client 10] New state is HTTP_STATE_WAITING
D [18/Jun/2026:10:22:01 +0200] [Client 10] Waiting for request.
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Printing jobs", busy="Active clients and printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] POST / HTTP/1.1
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Active clients and printing jobs", busy="Printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] Read: status=200, state=6
D [18/Jun/2026:10:22:01 +0200] [Client 10] No authentication data provided.
D [18/Jun/2026:10:22:01 +0200] [Client 10] 2.0 Get-Jobs 2
D [18/Jun/2026:10:22:01 +0200] Get-Jobs ipp://user@localhost:631/printers/
D [18/Jun/2026:10:22:01 +0200] [Client 10] Returning IPP successful-ok for Get-Jobs (ipp://user@localhost:631/printers/) from localhost.
D [18/Jun/2026:10:22:01 +0200] [Client 10] Content-Length: 427
D [18/Jun/2026:10:22:01 +0200] [Client 10] cupsdSendHeader: code=200, type="application/ipp", auth_type=0
D [18/Jun/2026:10:22:01 +0200] [Client 10] con->http=0x562168ec5f40
D [18/Jun/2026:10:22:01 +0200] [Client 10] cupsdWriteClient error=0, used=0, state=HTTP_STATE_POST_SEND, data_encoding=HTTP_ENCODING_LENGTH, data_remaining=427, response=0x562168e97710(IPP_STATE_DATA), pipe_pid=0, file=-1
D [18/Jun/2026:10:22:01 +0200] [Client 10] Writing IPP response, ipp_state=IPP_STATE_DATA, old wused=0, new wused=0
D [18/Jun/2026:10:22:01 +0200] [Client 10] bytes=0, http_state=0, data_remaining=427
D [18/Jun/2026:10:22:01 +0200] [Client 10] Flushing write buffer.
D [18/Jun/2026:10:22:01 +0200] [Client 10] New state is HTTP_STATE_WAITING
D [18/Jun/2026:10:22:01 +0200] [Client 10] Waiting for request.
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Printing jobs", busy="Active clients and printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] POST / HTTP/1.1
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Active clients and printing jobs", busy="Printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] Read: status=200, state=6
D [18/Jun/2026:10:22:01 +0200] [Client 10] No authentication data provided.
D [18/Jun/2026:10:22:01 +0200] [Client 10] 2.0 Create-Printer-Subscriptions 3
D [18/Jun/2026:10:22:01 +0200] Create-Printer-Subscriptions /
D [18/Jun/2026:10:22:01 +0200] create_subscriptions(con=0x562168e9ffe0(10), uri="/")
D [18/Jun/2026:10:22:01 +0200] recipient="dbus://"
D [18/Jun/2026:10:22:01 +0200] pullmethod="ippget"
D [18/Jun/2026:10:22:01 +0200] notify-lease-duration=3600
D [18/Jun/2026:10:22:01 +0200] notify-time-interval=0
D [18/Jun/2026:10:22:01 +0200] cupsdAddSubscription(mask=1ffb8f, dest=(nil)(), job=(nil)(0), uri="dbus://")
D [18/Jun/2026:10:22:01 +0200] Added subscription #837 for server.
D [18/Jun/2026:10:22:01 +0200] cupsdMarkDirty(----S)
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Active clients, printing jobs, and dirty files", busy="Active clients and printing jobs"
D [18/Jun/2026:10:22:01 +0200] [Client 10] Returning IPP successful-ok for Create-Printer-Subscriptions (/) from localhost.
D [18/Jun/2026:10:22:01 +0200] [Client 10] Content-Length: 583
D [18/Jun/2026:10:22:01 +0200] [Client 10] cupsdSendHeader: code=200, type="application/ipp", auth_type=0
D [18/Jun/2026:10:22:01 +0200] [Client 10] con->http=0x562168ec5f40
D [18/Jun/2026:10:22:01 +0200] [Client 10] cupsdWriteClient error=0, used=0, state=HTTP_STATE_POST_SEND, data_encoding=HTTP_ENCODING_LENGTH, data_remaining=583, response=0x562168d98480(IPP_STATE_DATA), pipe_pid=0, file=-1
D [18/Jun/2026:10:22:01 +0200] [Client 10] Writing IPP response, ipp_state=IPP_STATE_DATA, old wused=0, new wused=0
D [18/Jun/2026:10:22:01 +0200] [Client 10] bytes=0, http_state=0, data_remaining=583
D [18/Jun/2026:10:22:01 +0200] [Client 10] Flushing write buffer.
D [18/Jun/2026:10:22:01 +0200] [Client 10] New state is HTTP_STATE_WAITING
D [18/Jun/2026:10:22:01 +0200] [Client 10] Waiting for request.
D [18/Jun/2026:10:22:01 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Active clients, printing jobs, and dirty files"
D [18/Jun/2026:10:22:02 +0200] Expiring subscriptions...
D [18/Jun/2026:10:22:05 +0200] [Client 8] HTTP_STATE_WAITING Closing for error 32 (Broken pipe)
D [18/Jun/2026:10:22:05 +0200] [Client 8] Closing connection.
D [18/Jun/2026:10:22:05 +0200] cupsdSetBusyState: newbusy="Printing jobs and dirty files", busy="Printing jobs and dirty files"
D [18/Jun/2026:10:22:05 +0200] Expiring subscriptions...
D [18/Jun/2026:10:22:06 +0200] Expiring subscriptions...
I [18/Jun/2026:10:22:32 +0200] Saving subscriptions.conf...
D [18/Jun/2026:10:22:32 +0200] cupsdSetBusyState: newbusy="Printing jobs", busy="Printing jobs and dirty files"
D [18/Jun/2026:10:22:32 +0200] Expiring subscriptions...
D [18/Jun/2026:10:22:32 +0200] Report: clients=1
D [18/Jun/2026:10:22:32 +0200] Report: jobs=9
D [18/Jun/2026:10:22:32 +0200] Report: jobs-active=1
D [18/Jun/2026:10:22:32 +0200] Report: printers=2
D [18/Jun/2026:10:22:32 +0200] Report: stringpool-string-count=1622
D [18/Jun/2026:10:22:32 +0200] Report: stringpool-alloc-bytes=14576
D [18/Jun/2026:10:22:32 +0200] Report: stringpool-total-bytes=31968
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