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POPerl issue with DateTime::Format::ISO8601 tracked to issue with Params::Validate?
 

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  1. POPerl issue with DateTime::Format::ISO8601 tracked to issue with Params::Validate?
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    <p>Hope someone can shed some light on this...</p> <p>I, and many other developers in the team have a large scale in house perl app running. Despite this all working fine, across everyones laptops (linux and mac's), I can't for the life of me get this run on my big PC at home.</p> <p>I've installed all the dependencies via cpan, but i'm getting the following in the apache error logs when visiting the site:</p> <pre><code>The 'regex' parameter ("(?x-ism:^ (\d{4}) (\d\d) (\d\d) $)") to DateTime::Format::Builder::Parser::create_single_parser was an 'unknown', which is not one of the allowed types: scalarref at /usr/local/lib/perl/5.12.4/Params/ValidatePP.pm line 651 Params::Validate::__ANON__('The \'regex\' parameter ("(?x-ism:^ (\d{4}) (\d\d) (\d\d) $)"...') called at /usr/local/lib/perl/5.12.4/Params/ValidatePP.pm line 491 Params::Validate::_validate_one_param('Regexp=REGEXP(0x7f8a3aad06e8)', 'HASH(0x7f8a3aaea840)', 'HASH(0x7f8a3aa75aa8)', 'The \'regex\' parameter ("(?x-ism:^ (\d{4}) (\d\d) (\d\d) $)")') called at /usr/local/lib/perl/5.12.4/Params/ValidatePP.pm line 353 Params::Validate::validate('ARRAY(0x7f8a3aa33808)', 'HASH(0x7f8a3aa32db8)') called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder/Parser.pm line 312 DateTime::Format::Builder::Parser::create_single_parser(undef, 'params', 'ARRAY(0x7f8a3aad0640)', 'length', 8, 'regex', 'Regexp=REGEXP(0x7f8a3aad06e8)') called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder/Parser.pm line 504 DateTime::Format::Builder::Parser::sort_parsers('DateTime::Format::Builder::Parser', 'HASH(0x7f8a3aa4e2b8)', 'ARRAY(0x7f8a3aa3f148)') called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder/Parser.pm line 398 DateTime::Format::Builder::Parser::create_multiple_parsers('DateTime::Format::Builder::Parser', 'HASH(0x7f8a3aa4e2b8)', 'HASH(0x7f8a3aad06b8)', 'HASH(0x7f8a3aad0808)', 'HASH(0x7f8a3aad0910)', 'HASH(0x7f8a3aad0a00)', 'HASH(0x7f8a3aad0b08)', 'HASH(0x7f8a3aad0cb8)', 'HASH(0x7f8a3aad0e50)', ...) called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder/Parser.pm line 603 DateTime::Format::Builder::Parser::create_parser('DateTime::Format::Builder::Parser', 'ARRAY(0x7f8a3a72fc88)', 'HASH(0x7f8a3aad06b8)', 'HASH(0x7f8a3aad0808)', 'HASH(0x7f8a3aad0910)', 'HASH(0x7f8a3aad0a00)', 'HASH(0x7f8a3aad0b08)', 'HASH(0x7f8a3aad0cb8)', 'HASH(0x7f8a3aad0e50)', ...) called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder.pm line 158 DateTime::Format::Builder::create_parser('DateTime::Format::Builder', 'ARRAY(0x7f8a3aae5450)') called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder.pm line 177 DateTime::Format::Builder::create_end_parser('DateTime::Format::Builder', 'ARRAY(0x7f8a3aae5450)') called at /usr/local/share/perl/5.12.4/DateTime/Format/Builder.pm line 106 DateTime::Format::Builder::create_class(undef, 'parsers', 'HASH(0x7f8a3aae8f18)') called at /usr/local/share/perl/5.12.4/DateTime/Format/ISO8601.pm line 175 </code></pre> <p>I've stuck some noddy <code>print STDERR</code>'s directly in the <code>ValidatePP.pm</code> so if you are looking at the line numbers and they are slightly out, but basically in <code>ValidatePP.pm</code> it is getting to the following code block in <code>sub _get_type</code>:</p> <pre><code> # I really hope this never happens. return UNKNOWN; </code></pre> <p>If it helps, running a perl -v returns the following version on this PC</p> <blockquote> <p>This is perl 5, version 12, subversion 4 (v5.12.4) built for x86_64-linux-gnu-thread-multi</p> </blockquote> <p>Anybody?</p> <p>UPDATE:</p> <p>If it helps, the subroutine <code>_get_type</code> is basically deciding (using <code>UNIVERSAL::isa</code>) that <code>regex: !!perl/regexp (?x-ism:^ (\d{4}) (\d\d) (\d\d) $)</code> is not one if the following:</p> <pre><code>my %isas = ( 'ARRAY' =&gt; ARRAYREF, 'HASH' =&gt; HASHREF, 'CODE' =&gt; CODEREF, 'GLOB' =&gt; GLOBREF, 'SCALAR' =&gt; SCALARREF, ); </code></pre>
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    1. COIt would help if you provided code that produces the problem.
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    2. COThe code base is huge, but boils down to "USE DateTime::Format::ISO8601" which throws the error
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