From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Bharucha, Nikhil
Sent: 08 March 2007 00:18
To: [EMAIL PROTECTED]
Subject: Win32::OLE
> Hi All,
>
> I have code that has been in Production for almost 2 years running
many times per day flawlessly. I am
> interacting with a 3rd party DLL (WS_FTP Secure Dev Kit) which acts as
a COM server. About 1.5 months ago and > yesterday the DLL caused my
Perl exe to crash; the crash should have been trapped by eval blocks,
but wasn't...
Which begs the question, what do you mean by crash. An eval block could
be used to trap a die, but not a crash as I understand the term. Also, I
see no eval in the code you provide.
>
> Here is the sub (OO Method) where I execute the new method:
>
> # Create a new WSFTP API object #
>
> sub createWSFTPComObject
> {
> my $self = shift;
> my $objRef = Win32::OLE->new('WsftpSDK.WsftpApi') || die
"\nWSFTP.pm - Unable to instantiate WS_FTP > API object, error: $!";
The following if statement is redundant as the statement above already
tests for undef. Also, it is more usual to use the function 'defined'.
Also, consider using Win32::OLE->LastError, which may give more relevant
info than $!.
> if ($objRef == undef)
> {
> print "\nWSFTP.pm - Unable to create WS_FTP
API Object!";
> die "\nWSFTP.pm - $!";
Are you aware that the above two statements direct their output to
different streams (STDOUT and STDERR), which may well end up in
different places?
> }
>
> if ($self->{_displayMode} == 3)
> {
> print "\nWSFTP.pm - Created WS_FTP API Object
" . $objRef;
> }
>
> return $objRef;
> }
>
> I am using ActivePerl 5.8.4.810 packaged to an exe using PDK 5.3. The
code is running on a Windows 2003
> server.
I suspect that this problem could be a little difficult to track down
unless you can reproduce it with a better frequency that 1.5 months. If
you could create a script that reproduces the problem more reliably it
would help a lot. It may even lead to you discovering the problem for
yourself.
As a small aside, you seem to have your line end character (i.e. "\n")
at the wrong end of your lines ( :-) )
HTH
--
Brian Raven
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