ProgrammingError: Cannot operate on a closed cursor.

[faun@…]

How to Reproduce

While doing a POST operation on /admin/ganttcalendar/holiday, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'__FORM_TOKEN': u'c49fb8d0906d4747338932d1',
 'cat_id': u'ganttcalendar',
 'create_table': u'\u521b\u5efa\u8868\u5e76\u63d2\u5165\u4e00\u4e9b\u5047\u65e5\u3002',
 'panel_id': u'holiday',
 'path_info': None}

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36

System Information

Trac	1.0
Trac	1.0
Babel	0.9.6
Docutils	0.8.1
Genshi	0.6 (with speedups)
Pygments	1.6
pysqlite	2.6.0
Python	2.7.3 (default, Mar 18 2014, 05:13:23) [GCC 4.6.3]
Python	2.7.3 (default, Mar 18 2014, 05:13:23) [GCC 4.6.3]
pytz	2012c
pytz	2012c
setuptools	0.6
setuptools	0.6
SQLite	3.7.13
jQuery	1.7.2

Enabled Plugins

IniAdmin	0.3-r0
TracAccountManager	0.5dev-r0
TracAcronyms	0.2dev
TracAutoWikify	0.2dev
TracDragDrop	0.12.0.12
TracExtractUrl	0.3
TracGanttCalendarPlugin	0.6.2-r0
TracMindMapMacro	0.4
TracStats	0.5
TracTags	0.7dev
TracTocMacro	11.0.0.4

Python Traceback

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/web/main.py", line 497, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/web/main.py", line 214, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/admin/web_ui.py", line 125, in process_request
    path_info)
  File "/usr/local/lib/python2.7/dist-packages/TracGanttCalendarPlugin-0.6.2_r0-py2.7.egg/ganttcalendar/admin.py", line 88, in render_admin_panel
    cursor.execute(sql)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/db/util.py", line 66, in execute
    return self.cursor.execute(sql)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/db/sqlite_backend.py", line 78, in execute
    result = PyFormatCursor.execute(self, *args)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/db/sqlite_backend.py", line 56, in execute
    args or [])
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/db/sqlite_backend.py", line 48, in _rollback_on_error
    return function(self, *args, **kwargs)
ProgrammingError: Cannot operate on a closed cursor.

[Jun Omae]

PluginIssue (​th:GanttCalendarPlugin).