id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
387	strange isolated backtrace originating in template.interpolation.lex	cboos	cmlenz	"Found in the trac.log from a few days ago:
{{{
[pid  1100343632] 2010-05-09 06:32:44,668 Trac[env] INFO: -------------------------------- environment startup [Trac 0.12dev-r9640] --------------------------------
[pid  1092462928] 2010-05-09 06:32:44,760 Trac[env] INFO: -------------------------------- environment startup [Trac 0.12dev-r9640] --------------------------------
[pid  1228458320] 2010-05-09 06:33:26,063 Trac[env] WARNING: base_url option not set in configuration, generated links may be incorrect
[pid  1209448784] 2010-05-09 06:33:26,114 Trac[env] WARNING: base_url option not set in configuration, generated links may be incorrect
[pid  1167485264] 2010-05-09 06:33:31,058 Trac[api] WARNING: Discarding duplicate repository ''
[pid  1125521744] 2010-05-09 06:33:41,200 Trac[main] ERROR: Internal Server Error:
Traceback (most recent call last):
  File ""build/bdist.linux-x86_64/egg/trac/web/main.py"", line 512, in _dispatch_request
    dispatcher.dispatch(req)
  File ""build/bdist.linux-x86_64/egg/trac/web/main.py"", line 255, in dispatch
    content_type)
  File ""build/bdist.linux-x86_64/egg/trac/web/chrome.py"", line 832, in render_template
    stream = template.generate(**data)
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 532, in generate
    stream = self.stream
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 442, in stream
    self._stream = list(self._prepare(self._stream))
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 478, in _prepare
    yield kind, (directives, list(substream)), pos
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 478, in _prepare
    yield kind, (directives, list(substream)), pos
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 478, in _prepare
    yield kind, (directives, list(substream)), pos
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 493, in _prepare
    for event in tmpl.stream:
  File ""build/bdist.linux-x86_64/egg/genshi/template/base.py"", line 442, in stream
    self._stream = list(self._prepare(self._stream))
  File ""build/bdist.linux-x86_64/egg/genshi/template/markup.py"", line 288, in _prepare
    self._extract_includes(self._interpolate_attrs(stream))
  File ""build/bdist.linux-x86_64/egg/genshi/template/markup.py"", line 210, in _extract_includes
    for kind, data, pos in stream:
  File ""build/bdist.linux-x86_64/egg/genshi/template/markup.py"", line 278, in _interpolate_attrs
    pos[2], lookup=self.lookup))
  File ""build/bdist.linux-x86_64/egg/genshi/template/interpolation.py"", line 69, in interpolate
    for is_expr, chunk in chain(lex(text, pos, filepath), [(True, '')]):
  File ""build/bdist.linux-x86_64/egg/genshi/template/interpolation.py"", line 106, in lex
    offset = text.find(PREFIX, pos)
AttributeError: 'list' object has no attribute 'find'
}}}
This was for a request to #T4824, but that page doesn't seem to have any problem now.

Note that this was right after a restart of the environment, so that could well be related to the !TemplateLoader not being fully initialized, a concurrency issue there.

(+ please add a 0.6 ''Version'')"	defect	new	minor	0.9	Template processing	0.6		weird	guillaume@…