handle_unicode_exception makes the devel server die

[melmothx]

AmuseWikiFarm::Exception=HASH(0xb92bc20) at /usr/share/perl/5.20/Carp.pm line 169.
Can't locate object method "close" via package "1" (perhaps you forgot to load "1"?) at /usr/share/perl5/Plack/Middleware/HTTPExceptions.pm line 36.

[melmothx]

plackup psgi/amusewiki.psgi
HTTP::Server::PSGI: Accepting connections at http://0:5000/
2016/07/15 00:31:43 INFO - AmuseWikiFarm - AmuseWikiFarm.pm:175 - Handled unicode exception [
{
encoding_step => "params",
error_msg => "utf8 "\xE9" does not map to Unicode at /usr/share/perl5/Catalyst.pm line 3098.\n",
param_value => "library\351"
},
"http://blog.amusewiki.org:5000/library%E9"
]
127.0.0.1 - - [15/Jul/2016:00:31:43 +0200] "GET /library%e9 HTTP/1.1" 400 11 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0"
AmuseWikiFarm::Exception=HASH(0xb51bbc0) at /usr/share/perl/5.20/Carp.pm line 169.
Can't locate object method "close" via package "1" (perhaps you forgot to load "1"?) at /usr/share/perl5/Plack/Middleware/HTTPExceptions.pm line 36.