Malformed UTF-8 char when publishing in Net::AMQP::RabbitMQ

[perl_help26]

Hello,
In the below code, when i use Net::RabbitMQ, the recieved result is correct BUT when I use Net::AMQP::RabbitMQ, I get this error:
"Malformed UTF-8 character (overflow at 0xfff0d3f5f0d3f5c2, byte 0x00, after start byte 0xff) in unpack" and the result is all mixed up! Do these modules have different encodings? Any idea on what is happening there? Thanks

my $type=2;
my $key=85170777777;
my $bin = pack('Cx7Q',$type,$key);
my $res = $me->{mq}->publish(1, "nc.look", $bin, {exchange=>'nc'}, {re
+ply_to => $me->{replyQ},});
$res = $me->{mq}->recv();
print Dumper $res;

[ikegami]

I'll take a look at it. Please provide the version of Net::AMQP::RabbitMQ, and the output of use Devel::Peek; Dump($bin); Dump($res->{body});

[perl_help26]

The version of the Net::AMQP::RabbitMQ is 2.200000. The output of the lines you provided are:

SV = NULL(0x0) at 0xd9b5f0
  REFCNT = 1
  FLAGS = ()
SV = PVLV(0xda5d30) at 0xd7efd0
  REFCNT = 1
  FLAGS = (TEMP,GMG,SMG)
  IV = 0
  NV = 0
  PV = 0
  MAGIC = 0xdab340
    MG_VIRTUAL = &PL_vtbl_defelem
    MG_TYPE = PERL_MAGIC_defelem(y)
    MG_FLAGS = 0x02
      REFCOUNTED
    MG_OBJ = 0xd7eb98
    SV = PV(0xd7cb78) at 0xd7eb98
      REFCNT = 1
      FLAGS = (POK,pPOK)
      PV = 0xdab730 "body"\0
      CUR = 4
      LEN = 8
  TYPE = y
  TARGOFF = 0
  TARGLEN = 1
  TARG = 0xd7ed48
  SV = PVHV(0xd84f90) at 0xd7ed48
    REFCNT = 2
    FLAGS = (SHAREKEYS)
    ARRAY = 0x0
    KEYS = 0
    FILL = 0
    MAX = 7
    RITER = -1
    EITER = 0x0

I also noticed that the publish method takes in props : content_type => $string and content_encoding => $string. Could it be that Net::RabbitMQ has default encoding UTF8 but Net::AMQP::RabbitMQ doesnt? And if so how can I specify so that it uses UTF8? What do you think?