[Rt-devel] modperl2: Scope problem or perl 5.8.0?

[Jesse Vincent]

So, this is one of the issues that was fixed in 5.8.3?


On Tue, Apr 27, 2004 at 08:13:47PM +0100, Paulo Matos wrote:
> On Mon, 26 Apr 2004, Paulo Matos wrote:
> 
> > On Mon, 26 Apr 2004, Paulo Matos wrote:
> > 
> > > Everything goes fine... if I don't then I get an:
> > > 
> > > Unrecognised line: Jesse Vincent <joedoe at domain.com> at /usr/lib/rt/RT/EmailParser.pm line 406
> > > 
> > > I've gone deep until Mail::Address code itself and the parameter value 
> > > seems to be correct all the way. I test the perl code inside a script and 
> > > it runs ok. 
> > 
> > I found the same problem with an entire different setup at:
> > http://www.nntp.perl.org/group/perl.qpsmtpd/1226
> > 
> > I tested it with Mail::Address 1.58 and 1.62 same behavior. The most 
> > weired thing it that it works running a script from command-line calling 
> > directly and indirectly (through RT::EmailParser::ParseAddressFromHeader), 
> > hardcoding the $email variable...
> > 
> > It does not work even reimplementing the ParseAddressFromHeader locally at 
> > User_Overlay.pm....
> > 
> > Any hints? I'm getting mad with this one...
> 
> Just for the record, the cause and solution:
> 
> Mail::Address->parse($email) caused an the error (croaks):
> 
> Unrecognised line: 'foo at mydomain.com'
> 
> Well it seems that perl 5.8.0-5.8.X has a problem with utf8/regexps.
> 
> The internal representation of perl strings has an UTF-8 flag associated 
> that can be turned off via Encode::_utf8_off($string), so a way to solve 
> some issues like this are to use this workaround. (see Encode 
> documentation for more details).
> 
> I saw postings refering that the problem may be cause by using perl with 
> thread support, which is not the case I tested it under perl with and 
> without thread support with the same results. (The stock perl shipped with 
> some distros are threaded enabled: e.g. RedHat 9, RHEL, WBEL...)
> 
> A generic workaround to cases like this would be to use: 
> 
> Encode:_utf8_off($parameter_variable);
> 
> before calling the problematic function, which in this case is 
> Mail::Address->parse().
> 
> This has to be used with caution since it messes with perl internals, so 
> sometimes you'll have to switch the flag on after calling the function.
> 
> 
> If there's something incorrect above please let me know!!!
> 
> 
> Cheers,
> 
> --
> 	Paulo Matos
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