RotatingFileHandler - ShouldRollover error

Gabriel Genellina gagsl-py2 at
Sun Apr 20 07:17:12 CEST 2008

En Wed, 16 Apr 2008 10:50:44 -0300, <tpatch at> escribió:

> I am using the RotatingFileHandler logger with Python 2.5 on Windows and  
> I am getting an error on the rollover.  When the log file gets close to  
> the size where it needs to rollover, I start getting the following error  
> for every log message.  Does anyone have a solution to this problem?
> Traceback (most recent call last):
>   File "C:\Python25\Lib\logging\", line 73, in emit
>     if self.shouldRollover(record):
>   File "C:\Python25\Lib\logging\", line 147, in shouldRollover
>, 2)  #due to non-posix-compliant Windows feature
> ValueError: I/O operation on closed file

There are some fixes in svn - you may try using the current sources from

Gabriel Genellina

More information about the Python-list mailing list