Issue #20: remove references and workarounds for PerlEx

Windows is not supported.

Custom/README

@@ -12,5 +12,5 @@ and they will be used if the theme is selected.
 
 It also works for unit test files. Just place them in Custom/scripts/test.
 
-If you use Apache + mod_perl or PerlEx, any Perl module files placed in this directory
+If you use Apache + mod_perl or PSGI, any Perl module files placed in this directory
 will only be loaded by your web server after you restarted it.

Kernel/Modules/Installer.pm

@@ -698,15 +698,6 @@ sub Run {
             Name => 'DatabaseResultItemDone',
         );
 
-        # If running under PerlEx, reload the application (and thus the configuration).
-        if (
-            exists $ENV{'GATEWAY_INTERFACE'}
-            && $ENV{'GATEWAY_INTERFACE'} eq "CGI-PerlEx"
-            )
-        {
-            PerlEx::ReloadAll();
-        }
-
         $LayoutObject->Block(
             Name => 'DatabaseResultSuccess',
         );
@@ -947,15 +938,6 @@ sub Run {
             UserID      => 1,
         );
 
-        # If running under PerlEx, reload the application (and thus the configuration).
-        if (
-            exists $ENV{'GATEWAY_INTERFACE'}
-            && $ENV{'GATEWAY_INTERFACE'} eq "CGI-PerlEx"
-            )
-        {
-            PerlEx::ReloadAll();
-        }
-
         # Set a generated password for the 'root@localhost' account.
         my $UserObject = $Kernel::OM->Get('Kernel::System::User');
         my $Password   = $UserObject->GenerateRandomPassword( Size => 16 );

Kernel/Modules/MigrateFromOTRS.pm

@@ -561,15 +561,6 @@ sub _Finish {
         UserID      => 1,
     );
 
-    # If running under PerlEx, reload the application (and thus the configuration).
-    if (
-        exists $ENV{'GATEWAY_INTERFACE'}
-        && $ENV{'GATEWAY_INTERFACE'} eq "CGI-PerlEx"
-        )
-    {
-        PerlEx::ReloadAll();
-    }
-
     # check web server - is a restart needed?
     my $Webserver;
 

Kernel/System/JSON.pm

@@ -20,14 +20,6 @@ package Kernel::System::JSON;
 use strict;
 use warnings;
 
-# on PerlEx JSON::XS causes problems so force JSON::PP as backend
-# see http://bugs.otobo.org/show_bug.cgi?id=7337
-BEGIN {
-    if ( $ENV{GATEWAY_INTERFACE} && $ENV{GATEWAY_INTERFACE} =~ m{\A CGI-PerlEx}xmsi ) {
-        $ENV{PERL_JSON_BACKEND} = 'JSON::PP';    ## no critic
-    }
-}
-
 use JSON;
 
 our @ObjectDependencies = (

Kernel/System/Web/Request.pm

@@ -101,13 +101,8 @@ to get the error back
 sub Error {
     my ( $Self, %Param ) = @_;
 
-    # Workaround, do not check cgi_error() with perlex, CGI module is not
-    # working with perlex.
-    if ( $ENV{'GATEWAY_INTERFACE'} && $ENV{'GATEWAY_INTERFACE'} =~ /^CGI-PerlEx/ ) {
-        return;
-    }
-
     return if !$Self->{Query}->cgi_error();
+
     ## no critic
     return $Self->{Query}->cgi_error() . ' - POST_MAX=' . ( $CGI::POST_MAX / 1024 ) . 'KB';
     ## use critic