AttributeError: 'NoneType' object has no attribute 'get_node'

[jerryli@…]

How to Reproduce

While doing a GET operation on /search, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'changeset': u'on',
 'docs': u'on',
 'milestone': u'on',
 'noquickjump': u'1',
 'q': u'test',
 'ticket': u'on',
 'wiki': u'on'}

User agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3

System Information

Trac	0.12
Genshi	0.6
mod_python	3.3.1
MySQL	server: "5.1.48-log", client: "5.1.48", thread-safe: 1
MySQLdb	1.2.3
Python	2.6.5 (r265:79063, Jul 14 2010, 17:39:10) [GCC 3.4.6 20060404 (Red Hat 3.4.6-10)]
RPC	1.1.0
setuptools	0.6c11
Subversion	1.6.12 (r955767)
jQuery	1.4.2

Enabled Plugins

AdvancedTicketWorkflowPlugin	0.10dev
HudsonTrac	0.3
IniAdmin	0.2
PageToDoc	0.2
siteupload	0.11dev
TracDocs	0.3
tracreposearch	0.2
TracXMLRPC	1.1.0

Python Traceback

Traceback (most recent call last):
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 513, in _dispatch_request
    dispatcher.dispatch(req)
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 235, in dispatch
    resp = chosen_handler.process_request(req)
  File "build/bdist.linux-x86_64/egg/trac/search/web_ui.py", line 96, in process_request
    results = self._do_search(req, terms, filters)
  File "build/bdist.linux-x86_64/egg/trac/search/web_ui.py", line 201, in _do_search
    or [])
  File "build/bdist.linux-x86_64/egg/tracdocs/web_ui.py", line 38, in get_search_results
    node = repos.get_node(root, None)
AttributeError: 'NoneType' object has no attribute 'get_node'

[Remy Blank]

PluginIssue (TracDocs).