Launched a 4.0-r24425 Fedora 30 server with the command-
xpra start :13 --no-daemon --bind-tcp=0.0.0.0:1234 --bind-ws=0.0.0.0:1237 --bind-wss=0.0.0.0:1239 --ssl-cert=/etc/xpra/148-ssl.pem --start-child=xterm --start-child=xterm --exit-with-children -d clipboard
Connected with a Firefox html5 client with client-side debugging enabled.
Launched gedit
from one of the xterms, and then went slowly through the now familiar clipboard tests (type & copy 'one' in gedit application, shift focus to a local text editor, Word in this case, and pasted with control-v, then typed and copied 'two', then shifted focus back to gedit server-side by clicking at the end of the still highlighted 'one' text, used arrow key to get to next line and tried to paste with right-click menu, then used keyboard to add a space, then pasted with control-v, successfully pasting 'two'... then shifted focus to a new putty window to check the exact xpra version).
Before I could do anything to sort through putty window server logs - the session disconnected with the following errors in the server logs.
2019-11-18 14:01:55,892 Handshake complete; enabling connection 2019-11-18 14:01:55,894 Disconnecting client 10.0.4.54:54818: 2019-11-18 14:01:55,894 new client (the new client does not wish to share) 2019-11-18 14:01:55,894 client None is the clipboard peer, helper=X11Clipboard 2019-11-18 14:01:55,894 enabling selections: 2019-11-18 14:01:55,894 X11ClipboardProxy(CLIPBOARD).set_enabled(False) 2019-11-18 14:01:55,895 X11ClipboardProxy(PRIMARY).set_enabled(False) 2019-11-18 14:01:55,895 X11ClipboardProxy(SECONDARY).set_enabled(False) 2019-11-18 14:01:55,896 xpra client 1 disconnected. 2019-11-18 14:01:55,907 client clipboard: enabled=True, notifications=False 2019-11-18 14:01:55,907 client clipboard: greedy=True, want_targets=True, client_selections=['CLIPBOARD', 'PRIMARY'], contents_slice_fix=True 2019-11-18 14:01:55,908 HTML5 Microsoft Windows Firefox client version 3.0 2019-11-18 14:01:55,914 client ClientConnection(2 : WebSocket(wss socket: 10.0.3.148:1239 <- 10.0.4.54:54989)) is the clipboard peer, helper=X11Clipboard 2019-11-18 14:01:55,914 greedy=True 2019-11-18 14:01:55,914 want targets=True 2019-11-18 14:01:55,914 server has selections: CLIPBOARD, PRIMARY, SECONDARY 2019-11-18 14:01:55,914 client initial selections: CLIPBOARD, PRIMARY 2019-11-18 14:01:55,914 X11ClipboardProxy(CLIPBOARD).set_greedy_client(True) 2019-11-18 14:01:55,914 X11ClipboardProxy(PRIMARY).set_greedy_client(True) 2019-11-18 14:01:55,914 X11ClipboardProxy(SECONDARY).set_greedy_client(True) 2019-11-18 14:01:55,914 set_want_targets_client(True) 2019-11-18 14:01:55,914 enabling selections: CLIPBOARD, PRIMARY 2019-11-18 14:01:55,915 X11ClipboardProxy(CLIPBOARD).set_enabled(True) 2019-11-18 14:01:55,915 X11ClipboardProxy(PRIMARY).set_enabled(True) 2019-11-18 14:01:55,915 X11ClipboardProxy(SECONDARY).set_enabled(False) 2019-11-18 14:01:55,915 keyboard mapping already configured (skipped) 2019-11-18 14:01:55,916 client root window size is 1024x576 with 1 display: 2019-11-18 14:01:55,916 HTML (271x152 mm - DPI: 95x96) 2019-11-18 14:01:55,916 Canvas 2019-11-18 14:01:55,966 server virtual display now set to 1024x576 2019-11-18 14:01:55,973 clipboard_helper=X11Clipboard, clipboard_client=ClientConnection(2 : WebSocket(wss socket: 10.0.3.148:1239 <- 10.0.4.54:54989)), source=ClientConnection(2 : WebSocket(wss socket: 10.0.3.148:1239 <- 10.0.4.54:54989)), clipboard=True 2019-11-18 14:01:55,973 get_loop_uuids()={'CLIPBOARD': 'Xpra-Clipboard-Loop-Detection:740370c6c9244ce599ee66f77bcd9ba1', 'PRIMARY': 'Xpra-Clipboard-Loop-Detection:d67265c836834f92b9b51a5c9982d1a6', 'SECONDARY': 'Xpra-Clipboard-Loop-Detection:2d7acd2a663a4564b98a3330c2989db2'} 2019-11-18 14:01:55,973 automatic picture encoding enabled, also available: 2019-11-18 14:01:55,974 jpeg, png, rgb32, h264, mpeg1 2019-11-18 14:01:56,004 DPI set to 96 x 96 2019-11-18 14:01:56,018 Warning: failed to add virtual printer 'HTML5 client' 2019-11-18 14:01:56,018 failed to connect to server 2019-11-18 14:01:56,075 client 2 received xdg start menu data 2019-11-18 14:01:56,119 Error: wss request failure 2019-11-18 14:01:56,119 errno=0 2019-11-18 14:01:56,119 for client 10.0.4.54:55022: 2019-11-18 14:01:56,119 request as hex: '160301021501000211030385ab1a8761223364d84d6bf1' 2019-11-18 14:01:56,119 [Errno 0] Error 2019-11-18 14:01:56,149 set_session_driver(ClientConnection(2 : WebSocket(wss socket: 10.0.3.148:1239 <- 10.0.4.54:54989))) clipboard_enabled=True, clipboard helper=X11Clipboard 2019-11-18 14:01:56,149 selections: ['CLIPBOARD', 'PRIMARY'] 2019-11-18 14:01:56,150 client 2 startup complete 2019-11-18 14:01:56,153 client 2 connection-established 2019-11-18 14:01:56,154 client 2 update encodings: [object Object] 2019-11-18 14:01:56,634 client 2 XpraWindow.prototype.do_paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:30651 2019-11-18 14:01:56,634 client 2 XpraWindow.prototype.may_paint_now@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25552 2019-11-18 14:01:56,634 client 2 XpraWindow.prototype.paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25179 2019-11-18 14:01:56,634 client 2 XpraClient.prototype._process_draw_queue@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:26605 2019-11-18 14:01:56,634 client 2 XpraClient.prototype._process_draw@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:24984 2019-11-18 14:01:56,635 client 2 XpraClient.prototype._route_packet@https://xpra-bob.mycyberinc.com:1239/js/Client.js:1:10733 2019-11-18 14:01:56,635 client 2 XpraProtocolWorkerHost.prototype.open/<@https://xpra-bob.mycyberinc.com:1239/js/Protocol.js:1:707 2019-11-18 14:01:56,659 client 2 error painting scroll TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:01:56,660 Warning: client decoding error: 2019-11-18 14:01:56,660 TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:01:57,824 client 2 XpraWindow.prototype.do_paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:30651 2019-11-18 14:01:57,824 client 2 XpraWindow.prototype.may_paint_now@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25552 2019-11-18 14:01:57,825 client 2 XpraWindow.prototype.paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25179 2019-11-18 14:01:57,825 client 2 XpraClient.prototype._process_draw_queue@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:26605 2019-11-18 14:01:57,825 client 2 XpraClient.prototype._process_draw@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:24984 2019-11-18 14:01:57,825 client 2 XpraClient.prototype._route_packet@https://xpra-bob.mycyberinc.com:1239/js/Client.js:1:10733 2019-11-18 14:01:57,826 client 2 XpraProtocolWorkerHost.prototype.open/<@https://xpra-bob.mycyberinc.com:1239/js/Protocol.js:1:707 2019-11-18 14:01:57,842 client 2 error painting scroll TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:01:57,843 Warning: client decoding error: 2019-11-18 14:01:57,843 TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:01:59,034 client 2 XpraWindow.prototype.do_paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:30651 2019-11-18 14:01:59,035 client 2 XpraWindow.prototype.may_paint_now@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25552 2019-11-18 14:01:59,035 client 2 XpraWindow.prototype.paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25179 2019-11-18 14:01:59,035 client 2 XpraClient.prototype._process_draw_queue@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:26605 2019-11-18 14:01:59,036 client 2 XpraClient.prototype._process_draw@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:24984 2019-11-18 14:01:59,036 client 2 XpraClient.prototype._route_packet@https://xpra-bob.mycyberinc.com:1239/js/Client.js:1:10733 2019-11-18 14:01:59,036 client 2 XpraProtocolWorkerHost.prototype.open/<@https://xpra-bob.mycyberinc.com:1239/js/Protocol.js:1:707 2019-11-18 14:01:59,037 client 2 error painting scroll TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:01:59,037 Warning: client decoding error: 2019-11-18 14:01:59,037 TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:02:00,218 client 2 XpraWindow.prototype.do_paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:30651 2019-11-18 14:02:00,218 client 2 XpraWindow.prototype.may_paint_now@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25552 2019-11-18 14:02:00,219 client 2 XpraWindow.prototype.paint@https://xpra-bob.mycyberinc.com:1239/js/Window.js:1:25179 2019-11-18 14:02:00,219 client 2 XpraClient.prototype._process_draw_queue@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:26605 2019-11-18 14:02:00,219 client 2 XpraClient.prototype._process_draw@https://xpra-bob.mycyberinc.com:1239/js/Client.js:2:24984 2019-11-18 14:02:00,219 client 2 XpraClient.prototype._route_packet@https://xpra-bob.mycyberinc.com:1239/js/Client.js:1:10733 2019-11-18 14:02:00,220 client 2 XpraProtocolWorkerHost.prototype.open/<@https://xpra-bob.mycyberinc.com:1239/js/Protocol.js:1:707 2019-11-18 14:02:00,235 client 2 error painting scroll TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:02:00,236 Warning: client decoding error: 2019-11-18 14:02:00,236 TypeError: Argument 1 of CanvasRenderingContext2D.drawImage could not be converted to any of: HTMLImageElement, SVGImageElement, HTMLCanvasElement, HTMLVideoElement, ImageBitmap. 2019-11-18 14:02:01,043 client None is the clipboard peer, helper=X11Clipboard 2019-11-18 14:02:01,044 enabling selections: 2019-11-18 14:02:01,044 X11ClipboardProxy(CLIPBOARD).set_enabled(False) 2019-11-18 14:02:01,044 X11ClipboardProxy(PRIMARY).set_enabled(False) 2019-11-18 14:02:01,044 X11ClipboardProxy(SECONDARY).set_enabled(False) 2019-11-18 14:02:01,045 xpra client 2 disconnected.
Not sure why it dosconnected like that, perhaps wss error because I had to click through a cert error (no SAN in cert causing a problem, as a guess?)... which is leading to wss errors (which I'll add below as well)?
The apparent attempt to configure the HTML5 client as a printer seems likely to be part of the problem - 2019-11-18 14:01:56,018 Warning: failed to add virtual printer 'HTML5 client'
?
The wss error which I was trying to ignore- which I saw on initial connection, and also saw just prior to the new round of clipboard tests.
2019-11-18 13:58:34,620 Error: wss request failure 2019-11-18 13:58:34,620 errno=0 2019-11-18 13:58:34,620 for client 10.0.4.54:54833: 2019-11-18 13:58:34,620 request as hex: '1603010215010002110303c7e46ddb61ac4b1cec65d97fba7ef2db662a4e20a36999fbd19e77db5948cf40200bea8b495e59be203f35a8aed7455fc5286b45598861d306f331bf1dd06303130024130113031302c02bc02fcca9cca8c02cc030c0' 2019-11-18 13:58:34,620 setting response 'None' to property GDK_SELECTION of window 'gedit' as None 2019-11-18 13:58:34,620 set_selection_response(<GdkX11.X11Window object at 0x7f23a12ddb40 (GdkX11Window at 0x557ede8a72a0)>, TARGETS, GDK_SELECTION, None, None, "'None'", 2634287383) 2019-11-18 13:58:34,620 [Errno 0] Error
... it looks like this error was triggered on the connection that seemed to work, as well as the spontaneous reconnection attempt. Seems unlikely to be the trigger, but perhaps contributing?
(I'll attach the parsed clipboard test logs that preceded this in #2452, in case those might also be contributing factors... though the timing seems wrong.)
perhaps wss error because I had to click through a cert error
I don't think so, I believe that I have reproduced this without ssl: #2483
The apparent attempt to configure the HTML5 client as a printer seems likely to be part of the problem
Warning: failed to add virtual printer 'HTML5 client'?
No, this is just a warning.
You may want to run your server with -d printing
to figure out what is wrong with your system.
The wss error which I was trying to ignore
Xpra does the same. Those are harmless and in v4 we silence them: r24420, r24383.
I'm closing this as a duplicate of #2483.
With -d printer
, using 4.0-r24461 Fedora 30 server and Firefox HTML5 client on Windows 7... I'm seeing the following traceback & logs.
2019-11-19 15:30:38,797 set_printers({b'HTML5 client': {b'printer-info': b'Print to PDF in client browser', b'printer-make-and-model': b'HTML5 client version', b'mimetypes': [b'application/pdf']}}, [], None, , ) for ClientConnection(1 : WebSocket(wss socket: 10.0.3.148:1239 <- 10.0.4.54:64732)) 2019-11-19 15:30:38,797 printer attributes: {'display': ':13', 'source': '2c34d10b-55a4-fb45-3a1c-c9403887e813', 'socket-path': '/run/user/1000/xpra/xpra-lib-fed30-2-13'} 2019-11-19 15:30:38,797 add_printer('HTML5 client', {b'printer-info': b'Print to PDF in client browser', b'printer-make-and-model': b'HTML5 client version', b'mimetypes': [b'application/pdf']}, 'Print to PDF in client browser', 'via xpra', {'display': ':13', 'source': '2c34d10b-55a4-fb45-3a1c-c9403887e813', 'socket-path': '/run/user/1000/xpra/xpra-lib-fed30-2-13', 'remote-printer': b'HTML5 client', 'remote-device-uri': None}, <function FilePrintMixin.setup_printer.<locals>.printer_added at 0x7fe44c1a5200>) 2019-11-19 15:30:38,799 Warning: failed to add virtual printer 'HTML5 client' 2019-11-19 15:30:38,799 failed to connect to server 2019-11-19 15:30:38,799 setup_printer(b'HTML5 client', {b'printer-info': b'Print to PDF in client browser', b'printer-make-and-model': b'HTML5 client version', b'mimetypes': [b'application/pdf']}, {'display': ':13', 'source': '2c34d10b-55a4-fb45-3a1c-c9403887e813', 'socket-path': '/run/user/1000/xpra/xpra-lib-fed30-2-13'}) Traceback (most recent call last): File "/usr/lib64/python3.7/site-packages/xpra/server/source/fileprint_mixin.py", line 147, in setup_printer add_printer(printer, props, info, location, attrs, success_cb=printer_added) File "/usr/lib64/python3.7/site-packages/xpra/platform/pycups_printing.py", line 280, in add_printer if xpra_printer_name in get_all_printers(): File "/usr/lib64/python3.7/site-packages/xpra/platform/pycups_printing.py", line 408, in get_all_printers conn = cups.Connection() RuntimeError: failed to connect to server
Is this just a cups install/configuration error on my part? (I'll leave this closed... since it probably is.)
RuntimeError: failed to connect to server
The cupsd service is either not installed or not running.
Huh.
systemctl start cups
Then launched server with same command... and get
2019-11-20 15:11:44,800 client 1 update encodings: [object Object] 2019-11-20 15:11:44,925 returncode(['/usr/sbin/lpadmin', '-p', 'HTML5-client', '-v', 'xpraforwarder:/tmp?display=%3A13&source=7d4d75e5-f7ae-e370-20b0-4907586ba6c5&socket-path=%2Frun%2Fuser%2F1000%2Fxpra%2Fxpra-lib-fed30-2-13&remote-printer=HTML5+client&remote-device-uri=None&mimetype=application%2Fpdf', '-D', 'Print to PDF in client browser', '-L', 'via xpra', '-E', '-o', 'printer-is-shared=false', '-u', 'allow:maint', '-P', '/usr/share/ppd/cupsfilters/Generic-PDF_Printer-PDF.ppd'])=0 2019-11-20 15:11:44,925 the remote printer 'HTML5 client' has been configured
... not sure what stopped the service, but that was a pretty simple fix.
Thanks.
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2487