[tpm] why wouldn't violating "use warnings" always be fatal?

[J. Bobby Lopez]

Also, if you avoid the use of the system perl, and maybe use perlbrew to install 5.8.8 on both prod and dev, you may be able to avoid distro-specific inconsistencies (or rule out the system perl as the culprit).

On August 22, 2014 2:46:02 PM EDT, "J. Bobby Lopez" <jbl at jbldata.com> wrote:
>Compare the actual build number, since the base version number may be
>the same, but builds are most likely different, especially across
>distros. It may be that your dev environment has something like a 'no
>warnings q{uninitialized}' coded into some library on the dev side that
>doesn't exist in production. Just a guess.
>
>On August 22, 2014 2:32:48 PM EDT, Fulko Hew <fulko.hew at gmail.com>
>wrote:
>>I just got bitten by different behavior on different platforms,
>>and I can't justify it. Perhaps someone out there can?
>>
>>Platform #1: Perl 5.8.8 on Fedora    (development system)
>>Platform #2: Perl 5.8.8 on Debian    (production system)
>>
>>It turns out my application _did_ have a bug in it, but it wasn't
>>detected during my testing when run on the dev sys, but failed
>>when the same dataset was encountered on the production system.
>>
>>a) I have 'use strict' and 'use warnings' in my app.
>>b) I had an uninitialized variable used in a print statement.
>>
>>On the production machine... my app died with the error:
>>'Use of uninitialized value in concatenation'
>>just as you would expect.
>>
>>But on my dev sys, the app doesn't die, or even complain!
>>
>>Once I found out what was happening, I ran it under the debugger on my
>>dev
>>sys,
>>and when I stepped through the print statement... It bitches and dies.
>>But without the debugger,  all is (apparently) happy.
>>(That's why I didn't detect and fix the bug during testing.)
>>
>>So...
>>Why would my dev sys only flag and die under the debugger (and not
>with
>>a
>>normal run)?
>>And why does my prod system, work correctly (ie. flag and die) ?
>>
>>
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>>
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