[Catalyst] Bug with POSTs using cat 5.7007, and parse_on_demand = 1

[Mark Zealey]

Hi,

I have found a bug with catalyst, when Catalyst::Engine::HTTP is used with 
parse_on_demand set to true, and POST content. when I post, the 
connection 'hangs'. if i hit esc in the browser, I get the following cat 
output:

Can't call FIRSTKEY method on handle DBI::db=HASH(0x9858670) after 
take_imp_data() at /usr/lib/perl5/site_perl/5.8.8/Data/Dump.pm line 251.
Can't call FIRSTKEY method on handle DBI::db=HASH(0x984a6ec) after 
take_imp_data() at /usr/lib/perl5/site_perl/5.8.8/Data/Dump.pm line 251.
[info] *** Request 1 (0.200/s) [17010] [Fri May 18 21:59:01 2007] ***
[debug] "POST" request for "wedding/invite/add" from "127.0.0.1"
[debug] Path is "wedding/invite/add"
[debug] Found sessionid "6b7b217cfca6320d5f6579dbe7b4087ce8102acb" in cookie
[debug] Restored session "6b7b217cfca6320d5f6579dbe7b4087ce8102acb"
[debug] Body Parameters are:
.-------------------------------------+--------------------------------------.
| Parameter                           | Value                                |
+-------------------------------------+--------------------------------------+
| _submit                             | Add new invite                       |
| _submitted_invite                   | 1                                    |
| address                             |                                      |
| email                               |                                      |
| invited                             | 0                                    |
| known_by                            | 639359                               |
| name                                | blah                                 |
| type                                | service                              |
'-------------------------------------+--------------------------------------'
[error] Caught exception in Wedding::Controller::Root->end "Wrong 
Content-Length value: 107 at /usr/lib/perl5/site_perl/5.8.8/Catalyst.pm line 
1611"
[debug] Found sessionid "6b7b217cfca6320d5f6579dbe7b4087ce8102acb" in cookie
[debug] Restored session "6b7b217cfca6320d5f6579dbe7b4087ce8102acb"
[debug] Redirecting to "http://localhost:3000/wedding/invite/view"
[info] Request took 5.621478s (0.178/s)
.----------------------------------------------------------------+-----------.
| Action                                                         | Time      |
+----------------------------------------------------------------+-----------+
| /auto                                                          | 0.263820s |
| /wedding/auto                                                  | 0.000924s |
| /wedding/invite/add                                            | 0.171354s |
| /end                                                           | 4.483848s |
'----------------------------------------------------------------+-----------'

The FIRSTKEY stuff is some tied hash access to DBI (keys or something), and 
I'm not sure why it is saying 'Wrong content-length value' - this is perhaps 
the key to the error? When I run the server under perl -d, and hit ^C when 
it's hanging, it shows it being this:

Catalyst::Engine::HTTP::read_chunk(/usr/lib/perl5/site_perl/5.8.8/Catalyst/Engine/HTTP.pm:131):
131:            my $rc = *STDIN->sysread(@_);

I guess cat is mis-parsing the amount of data that it expects from the POST 
command? When i turn parse_on_demand off, it all works fine...

Mark