error:Premature end of script headers: trac.fcgi

[zhaohu0829@…]

i start the trac with the fcgi, the error will be occure when view a ticket with a big description.but not occure start with standalone!

my trac.fcgi is: try:

import os import pkg_resources if 'TRAC_ENV' not in os.environ and \

'TRAC_ENV_PARENT_DIR' not in os.environ:

os.environTRAC_ENV = '/home/trac'

if 'PYTHON_EGG_CACHE' not in os.environ:

if 'TRAC_ENV' in os.environ:

egg_cache = os.path.join(os.environTRAC_ENV, '.egg-cache')

elif 'TRAC_ENV_PARENT_DIR' in os.environ:

egg_cache = os.path.join(os.environTRAC_ENV_PARENT_DIR,

'.egg-cache')

pkg_resources.set_extraction_path(egg_cache)

from trac.web import fcgi_frontend fcgi_frontend.run()

except SystemExit:

raise

except Exception, e:

print 'Content-Type: text/plain\r\n\r\n', print 'Oops…' print print 'Trac detected an internal error:' print print e print import traceback import StringIO tb = StringIO.StringIO()