[mapserver-dev] WMS GetCapabilities response truncated to 4096 bytes on windows 2008 Server

[Frank Warmerdam]

Tamas,

I'm surprised this hasn't come up before.  I think doing it in
msCleanup() would be fine.  In theory it would be nice for the
mapio.h concept to be extended with something for flushing
and we could do it strategically at the end of operations but
I can't (off hand) think of situations where that is likely to be
better than just flushing in msCleanup().

Best regards,
Frank

On Thu, Jan 19, 2012 at 1:51 PM, Tamas Szekeres <szekerest at gmail.com> wrote:
> Hi Devs,
>
> We have experienced strange behaviour of the WMS GetCapabilities response of
> MapServer CGI on Windows 2008 and Windows 7 which is truncated to 4k in
> size. The same thing happens when invoking mapserv from the command line and
> the output is redirected to a file.
>
> After a bit of investigation, I came to the conclusion that the process
> termination doesn't necessarily flush the file buffers (incl. stdout and
> stderr) on Win 2008 and Win 7. This is primarily an OS behaviour which works
> correctly on Win2003/XP, but it should probably be fixed in MapServer by
> calling fflush(NULL) at the right place. It could probably be done in the
> mapserv application or we could also do such things in msCleanup as well.
> What would be the most reasonable place to invoke fflush or do you have a
> more reasonable approach?
>
>
> Best regards,
>
> Tamas
>
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