ValueError: timestamp out of range for platform localtime()/gmtime() function

[ogueye]

How to Reproduce

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

(please provide additional details here)

User Agent was: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1045 Safari/532.5

System Information

Trac	0.12dev-r9576
Genshi	0.7dev-r1125
pysqlite	2.4.1
Python	2.6.5 (r265:79096, Mar 19 2010, 21:48:26) [MSC v.1500 32 bit (Intel)]
setuptools	0.6c11
SQLite	3.5.9
Subversion	1.6.6 (r40053)
jQuery	1.4.2

Enabled Plugins

announcerplugin	0.2
tracaccountmanager	0.2.1dev-r7737
tracganttcalendarplugin	0.1

Python Traceback

Traceback (most recent call last):
  File "build\bdist.win32\egg\trac\web\main.py", line 512, in _dispatch_request
    dispatcher.dispatch(req)
  File "build\bdist.win32\egg\trac\web\main.py", line 233, in dispatch
    resp = chosen_handler.process_request(req)
  File "build\bdist.win32\egg\ganttcalendar\ticketcalendar.py", line 122, in process_request
    due_time = to_datetime(due, utc)
  File "build\bdist.win32\egg\trac\util\datefmt.py", line 52, in to_datetime
    return datetime.fromtimestamp(t, tzinfo or localtz)
ValueError: timestamp out of range for platform localtime()/gmtime() function

[Christian Boos]

Duplicate of #9377. This is a good reason to upgrade to 0.12rc1 ;-)