[Chimera-users] Error running chimera

Eric Pettersen pett at cgl.ucsf.edu
Mon Jun 21 10:17:57 PDT 2010

On Jun 21, 2010, at 9:32 AM, Christian Hesketh wrote:

> Hi there,
> I have been able to use Chimera many times in the past, but now when I
> try to run it, a dialog box pops up and I get get any further. In
> fact, it seems to be spawned infinitely and I cannot close it. Here is
> the message: "Class DBPuppet.AC_KEY_ERROR'> Can't open web info file
> for reading". I don't know what has changed on my system to cause
> this, it was working fine a week ago. Does anyone have any ideas? I am
> using the most stable production version right now.  My operating
> system is Windows Vista.

Hi Christian,
	We have an open ticket (#8515) in our bug-tracking system for this,  
but I don't see any activity for it since it was opened.  The  
developer that works on that code is gone for a week and I don't see  
any simple fix for the problem myself.  If you feel comfortable  
editing the Chimera Python source code, you could make a small change  
to <your Chimera installation>/share/DNPuppet/__init__.py that might  
allow you to get work done.  Lines 450 and 451 should look like this:

           keyfile = self.getWebFile('w')

If you edit them to put a 'return' statement between them, like this:

           keyfile = self.getWebFile('w')

then I think Chimera will work, though it might have trouble opening  
Chimera scripts from web pages if you do any of that.
	I will add you to the recipient list for the open ticket so you get a  
notification when a real fix occurs.


                         Eric Pettersen
                         UCSF Computer Graphics Lab

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