From 6b6b4c8a00b72c9a293e4e8e189d96b54255b33b Mon Sep 17 00:00:00 2001
From: CrawfordCurrie <CrawfordCurrie@0b4bb1d4-4e5a-0410-9cc4-b2b747904278>
Date: Mon, 6 Sep 2010 13:38:10 +0000
Subject: [PATCH] Item9629: After validation, a multi-valued param that has no
 value can end up with an undef value. Also committing a debugging enhancement
 that helps you track down the source of oops exceptions

git-svn-id: http://svn.foswiki.org/trunk@8933 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
---
 core/lib/Foswiki/Form/FieldDefinition.pm | 2 +-
 core/lib/Foswiki/OopsException.pm        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/lib/Foswiki/Form/FieldDefinition.pm b/core/lib/Foswiki/Form/FieldDefinition.pm
index a203ec6835..13e6e20c21 100644
--- a/core/lib/Foswiki/Form/FieldDefinition.pm
+++ b/core/lib/Foswiki/Form/FieldDefinition.pm
@@ -239,7 +239,7 @@ sub populateMetaFromQueryData {
         if ( $this->isMultiValued() ) {
             my @values = $query->param( $this->{name} );
 
-            if ( scalar(@values) == 1 ) {
+            if ( scalar(@values) == 1 && defined $values[0] ) {
                 @values = split( /,|%2C/, $values[0] );
             }
             my %vset = ();
diff --git a/core/lib/Foswiki/OopsException.pm b/core/lib/Foswiki/OopsException.pm
index be8ce031ae..6a1ee2b208 100644
--- a/core/lib/Foswiki/OopsException.pm
+++ b/core/lib/Foswiki/OopsException.pm
@@ -181,7 +181,7 @@ sub stringify {
         if ( defined $this->{params} ) {
             $s .= ' params=>[' . join( ',', @{ $this->{params} } ) . ']';
         }
-        return $s . ')';
+        return $s . ')'.((DEBUG)?$this->stacktrace:'');
     }
 }