#2309: ToscaWidgets / JSLink Thread Safety Issue
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Reporter: pedersen | Owner: Chris Arndt
Type: defect | Status: new
Priority: normal | Milestone:
Component: Widgets | Version: 2.0rc1
Severity: normal | Keywords:
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I've come across a truly unusual issue. I'm still working on finding the
root cause, but I finally have enough to report the issue. I'm not sure if
this is a TurboGears issue, or if it is a ToscaWidgets issue. I'm
reporting the bug in both projects.
The configuration in use when this problem occurs:
TurboGears 2.0rc1
ToscaWidgets-0.9.5dev_20081026
Running behind Apache (2.2.9-7ubuntu3) w/mod_wsgi (2.3-1), running on
Ubuntu 8.10.
The problem itself is intermittent, and seems to occur about once in every
four tries. It seems to be most easily reproduced with Opera.
I have packaged MochiKit as a widget for use with my app. I wanted
MochiKit 1.4, and 1.3 was the latest included. To do so, I used the
following code:
{{{
from tw.api import JSLink
mochikit = JSLink(filename="static/MochiKit.js",
modname="cardlist.widgets.jslibs")
}}}
I then inserted a reference to mochikit into my base controller, using
this line:
{{{
tmpl_context.mochikit = mochikit
}}}
Finally, I made sure to include the mochikit output in my master.html, so
it would be accessible everywhere, using this line:
{{{
${tmpl_context.mochikit()}
}}}
The problem, when it occurred, would be visible when someone clicked the
login link (going to /login ). The came_from would, sometimes, be set to
"/toscawidgets/resources". When I remove the "modname" parameter from the
JSLink above, the problem never occurs.
My entire codebase may be viewed by visiting http://svn.icelus.tzo.com/
I am attempting to dig deeper into this, but felt that the bug might be
able to benefit from more eyes. As such, I'm submitting finally, and
hoping you can help.
Thank you!
--
Ticket URL: <http://trac.turbogears.org/ticket/2309>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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