Re: [Visualpython-users] Mac 10.4: _tkinter.TclError: this isn't a Tk application couldn't connect to display ":0.0"

[Martin C. <cos...@wa...>]

Jon Schull wrote:
> Vpython has stopped working.  What to do?

What you show has nothing to do with vpython nor with tkinter. You need 
to run X11 which you don't seem to be able to.

> I'm suddenly having problems I remember from 3 years ago and gather it has
> something to do with the upgrade of x11.  But I can't figure out how to get
> it going again.
> 
> When I run vpython I get
> 
> Xlib: connection to ":0.0" refused by server
> Xlib: No protocol specified

The X server is not starting up completely.

> Traceback (most recent call last):
>   File "/sw/bin/idle2.4", line 5, in ?
>     main()
>   File "/sw/lib/python2.4/idlelib/PyShell.py", line 1350, in main
>     root = Tk(className="Idle")
>   File "/sw/lib/python2.4/lib-tk/Tkinter.py", line 1569, in __init__
>     self.tk = _tkinter.create(screenName, baseName, className, interactive,
> wantobjects, useTk, sync, use)
> _tkinter.TclError: this isn't a Tk applicationcouldn't connect to display
> ":0.0"
> [apples-powerbook-g4-99:/] apple%

You get this when you try to run vpython without running X11.

> x11 is running

Actually no. It tries to start, but doesn't manage.

> But if I try running startX from a non-x11 terminal I get this:

Using startx on MacOSX is always a bad idea. Why don't you just 
double-click on X11.app?

> /usr/X11R6/bin/startx: line 33: [: /Users/apple: binary operator expected
> /usr/X11R6/bin/startx: line 42: [: /Users/apple: binary operator expected

This looks like you have a user name with a space inside, like "apple 
user". Dont't do this, it will break all kinds of things.

-- 
Martin