UnicodeEncodeError: 'decimal' codec can't encode character u'\u8b70' in position 2: invalid decimal Unicode string

[hirano]

How to Reproduce

While doing a GET operation on /wiki/3月4日　開発会議　議事録, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'page': u'3\u67084\u65e5\u3000\u958b\u767a\u4f1a\u8b70\u3000\u8b70\u4e8b\u9332',
 'version': u'1/\u8b70\u4e8b\u9332'}

User agent: Mozilla/5.0 (Windows NT 6.1; rv:27.0) Gecko/20100101 Firefox/27.0

System Information

Trac	0.12.4.ja1
Babel	0.9.5
CustomFieldAdmin	0.2.8
Docutils	0.7
Genshi	0.6 (without speedups)
mod_wsgi	3.3 (WSGIProcessGroup WSGIApplicationGroup %{GLOBAL})
Pygments	1.3.1
pysqlite	2.4.1
Python	2.6.6 (r266:84297, Aug 24 2010, 18:46:32) [MSC v.1500 32 bit (Intel)]
RPC	1.1.2-r9970
setuptools	0.6c11
SQLite	3.5.9
Subversion	1.6.17 (r1128011)
jQuery	1.4.4

Enabled Plugins

advancedticketworkflowplugin	0.11dev-r9962
batchmodify	0.8.0a1-trac0.12
blockdiagplugin	0.5.1
exceldownloadplugin	0.12.0.1
footnotemacro	1.03
hudsontracplus	0.4
iniadmin	0.2
lightningtheme	1.0
newwikipagebutton	1.01
privatewikis	1.0.0
reportincludeplugin	0.5-snapshot
svnauthzadminplugin	0.1.2.-moved.to.trac.0.11-
ticket-clone	Rev
ticketimport	0.8
trac-jsgantt	0.2.0-ja
tracaccountmanager	0.3
tracaddcommentmacro	0.3
tracautowikify	0.1
tracavatarplugin	0.3
traccompleteuserplugin	0.4
traccustomfieldadmin	0.2.8
tracdatefield	1.0.1
tracdiscussion	0.8-r9877
tracdragdrop	0.12.0.10
tracflashembedmacro	0.95rc1
tracganttcalendarplugin	0.5-r801
tracmacostheme	1.0.3
tracmacropost	0.2
tracnav	4.2.dev
tracquerychart	0.2.3
tracsectioneditplugin	0.1
tracsubticketsplugin	0.1.1.dev-20130429
tracthemeengine	2.0.1
tractocmacro	11.0.0.3
tracusermanagerplugin	0.4r5520
tracwysiwyg	0.12.0.4-r9676
tracxdocview	0.1
tracxmlrpc	1.1.2-r9970
workfloweditorplugin	1.1.5

Python Traceback

Traceback (most recent call last):
  File "C:\TracLight\python\lib\site-packages\trac-0.12.4.ja1-py2.6.egg\trac\web\main.py", line 522, in _dispatch_request
    dispatcher.dispatch(req)
  File "C:\TracLight\python\lib\site-packages\trac-0.12.4.ja1-py2.6.egg\trac\web\main.py", line 243, in dispatch
    resp = chosen_handler.process_request(req)
  File "C:\TracLight\python\lib\site-packages\trac-0.12.4.ja1-py2.6.egg\trac\wiki\web_ui.py", line 119, in process_request
    versioned_page = WikiPage(self.env, pagename, version=version)
  File "C:\TracLight\python\lib\site-packages\trac-0.12.4.ja1-py2.6.egg\trac\wiki\model.py", line 40, in __init__
    version = int(version) # must be a number or None
UnicodeEncodeError: 'decimal' codec can't encode character u'\u8b70' in position 2: invalid decimal Unicode string