OSError: [Errno 10] No child processes

[Dalius]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{'path': u'/BALTIC'}

User agent: Mozilla/4#0 #compatible; MSIE 7#0; Windows NT 6#1; Trident/5#0; SLCC2; #NET CLR 2#0#50727; #NET CLR 3#5#30729; #NET CLR 3#0#30729; Media Center PC 6#0; #NET4#0C; #NET4#0E#

System Information

Trac	0.12.2
Genshi	0.6
GIT	1.7.9
mod_python	3.3.1
MySQL	server: "5.0.51b-log", client: "5.0.51b", thread-safe: 0
MySQLdb	1.2.2
Python	2.5.2 (r252:60911, Mar 1 2008, 13:52:45) [GCC 4.2.3]
setuptools	0.6c11
Subversion	1.4.6 (r28521)
jQuery	1.4.2

Enabled Plugins

graphviz	0.7.6dev-r10975
timingandestimationplugin	1.2.4
TracAccountManager	0.2.1dev
TracGit	0.12.0.5dev
TracHoursPlugin	0.5.2
TracScreenshots	0.5
TracWysiwyg	0.12.0.4
worklog	0.1

Python Traceback

Traceback (most recent call last):
  File "build/bdist.linux-i686/egg/trac/web/main.py", line 511, in _dispatch_request
    dispatcher.dispatch(req)
  File "build/bdist.linux-i686/egg/trac/web/main.py", line 237, in dispatch
    resp = chosen_handler.process_request(req)
  File "build/bdist.linux-i686/egg/trac/versioncontrol/web_ui/browser.py", line 370, in process_request
    rev_or_latest = rev or repos.youngest_rev
  File "build/bdist.linux-i686/egg/trac/versioncontrol/api.py", line 849, in <lambda>
    youngest_rev = property(lambda x: x.get_youngest_rev())
  File "build/bdist.linux-i686/egg/tracext/git/git_fs.py", line 369, in get_youngest_rev
    return self.git.youngest_rev()
  File "build/bdist.linux-i686/egg/tracext/git/PyGIT.py", line 435, in youngest_rev
    return self.rev_cache.youngest_rev
  File "build/bdist.linux-i686/egg/tracext/git/PyGIT.py", line 323, in get_rev_cache
    new_tags = set(__rev_reuse(rev.strip()) for rev in self.repo.rev_parse("--tags").splitlines())
  File "build/bdist.linux-i686/egg/tracext/git/PyGIT.py", line 66, in __execute
    stdout_data, stderr_data = p.communicate()
  File "/usr/lib/python2.5/subprocess.py", line 668, in communicate
    return self._communicate(input)
  File "/usr/lib/python2.5/subprocess.py", line 1192, in _communicate
    self.wait()
  File "/usr/lib/python2.5/subprocess.py", line 1122, in wait
    pid, sts = os.waitpid(self.pid, 0)
OSError: [Errno 10] No child processes

[Ryan J Ollos]

GitPlugin is deprecated. Please upgrade to Trac 1.0 and use ​TracGit.