sh-3 tail web_brains-error-fcg log Exception in thread Thread-1 Traceb

sh-3.2$ tail web_brains-error-fcgi.log
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python2.5/threading.py", line 486, in __bootstrap_inner
    self.run()
  File "/usr/src/superfcgi/superfcgi/server.py", line 42, in run
    self.error(request, e)
  File "/usr/src/superfcgi/superfcgi/server.py", line 101, in error
    req.stderr.flush()
IOError: Flush failed