print Dumper(@{$farmdetails->{FarmRoleSet}->{Item}}); #works as expected
print Dumper($farmdetails->{FarmRoleSet}->{Item}); #also works as expected
print Dumper($farmdetails->{FarmRoleSet}->{Item}->{ServerSet}); # fails - not a hashref
print Dumper(@{$farmdetails->{FarmRoleSet}->{Item}->{ServerSet}}); # also fails - not a hashref
print Dumper(@{$farmdetails->{FarmRoleSet}->{Item}->[0]->{ServerSet}}); # also fails - not an arrayref
print Dumper($farmdetails->{FarmRoleSet}->{Item}->[0]->{ServerSet}); # works, displaying the first 'Item' array