[Bug 506160] [NEW] xstartup apps not run when starting vnc server

[Tpugliese]

Public bug reported:

After I start vnc using vncserver, when I connect, the screen is empty.
No window manager or apps have started.  In past releases, the gnome-
session would start.  Here is my system info.


Description:    Ubuntu 9.10
Release:        9.10

tightvncserver:
  Installed: 1.3.9-4
  Candidate: 1.3.9-4
  Version table:
 *** 1.3.9-4 0
        500 http://mirrors.xmission.com karmic/universe Packages
        100 /var/lib/dpkg/status

This is the command line output:

thomas at bitbucket:~$ vncserver
Found /usr/share/tightvnc-java for http connections.

New 'X' desktop is bitbucket:1

Starting applications specified in /home/thomas/.vnc/xstartup
Log file is /home/thomas/.vnc/bitbucket:1.log

Here are the contents of the log file:

thomas at bitbucket:~$ cat .vnc/bitbucket\:1.log
11/01/10 15:35:26 Xvnc version TightVNC-1.3.9
11/01/10 15:35:26 Copyright (C) 2000-2007 TightVNC Group
11/01/10 15:35:26 Copyright (C) 1999 AT&T Laboratories Cambridge
11/01/10 15:35:26 All Rights Reserved.
11/01/10 15:35:26 See http://www.tightvnc.com/ for information on TightVNC
11/01/10 15:35:26 Desktop name 'X' (bitbucket:1)
11/01/10 15:35:26 Protocol versions supported: 3.3, 3.7, 3.8, 3.7t, 3.8t
11/01/10 15:35:26 Listening for VNC connections on TCP port 5901
11/01/10 15:35:26 Listening for HTTP connections on TCP port 5801
11/01/10 15:35:26   URL http://bitbucket:5801
Invalid MIT-MAGIC-COOKIE-1 keyxrdb: Can't open display ':1'
Invalid MIT-MAGIC-COOKIE-1 keyxsetroot:  unable to open display ':1'


The "Invalid MIT-MAGIC-COOKIE-1" messages led me to believe that the xauth authorities were not being set correctly.  The problem appears to be caused by the fact that /usr/bin/vncserver calls xauth to add $host:$displayNumber and $host/unix:$displayNumber as display entries that can connect to the server but further down the file, the DISPLAY environment variable is set to :1 when using unix domain sockets (which it does).  Because DISPLAY is set to :1 but only $host:1 is allowed to connect, the apps in ~/.vnc/xstartup cannot run.  I worked around this problem by changing this line in /usr/bin/vncserver

$ENV{DISPLAY}= ":$displayNumber";

to

$ENV{DISPLAY}= "$host:$displayNumber";

Now the startup apps run and I get my gnome session. Unforntunately, all
the keys are mapped incorrectly so it is unusable.  This already appears
to be a known issue
https://bugs.launchpad.net/ubuntu/+source/tightvnc/+bug/237362

** Affects: tightvnc (Ubuntu)
     Importance: Undecided
         Status: New

-- 
xstartup apps not run when starting vnc server
https://bugs.launchpad.net/bugs/506160
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