Re: Problem with long http request generation time - process restarting

- Perrin
On Jan 13, 2012 6:47 PM, "Andrew Merton (subscriptions)" <
[email protected]> wrote:

>  On 17/12/2011 7:20 a.m., Randolf Richardson wrote:
>
>  Thanks for the responses :)
>
> However - I just read another thread somewhere that made me think of
> looking in the Event log.
>
> It appears that the culprit is Oracle - there are errors
> naming OraOCIEI11.dll as the "Faulting Module name".
>
>
> 	That's very interesting.  Windows Event Viewer is a good place to
> look (I keep forgetting about it as I'm used to /var/log/messages in
> Unix/Linux and similar environments).
>
>  Well.  It turns out that in this case the event log was actually a red
> herring. By creating another Apache instance (to avoid breaking the
> "production" server :)) and stripping out all references to Oracle, DBI,
> DBD etc from both httpd.conf and the Perl, I have determined that the
> problem has nothing to do with Oracle.
>
> After doing that, I was getting exception code 0xC00000FD (Stack overflow)
> in Classify.dll (Params::Classify?) so I tried setting the ThreadStackSize
> to 2MB, and now I get 0xC0000005 and the module is unknown according to the
> Event log.
>
> I think I'm going mad.
>
> Is there a way to make Apache/mod_perl (on Windows 7) give me a stack dump
> when the child process exits?  Al I get in the log is the "Parent: child
> process exited ..." message, which is not very helpful.  I have downloaded
> the -symbols.zip files from ActiveState and installed them in the proper
> directories (alongside their .dlls), but then realised that I'm not getting
> the equivalent of a core dump file to analyze.  The Event log points to a
> directory containing only a text file (*.wer) which doesn't have anything
> useful AFAICS...
>
> Andrew
>