So I know the whole UTF-16 surrogate warning issue has been brought up a
few times on this list, but I don't think anyone has posted a reliable
test case, so I thought I would take a stab at it. We have over 2700 of
these warnings in todays error logs, so it'd be nice to get rid of them.
All that's really necessary is to reproduce the problem is to output a
body of the necessary length:
# 56338 = 0xdc12
$c->response->body(1 x 56338);
And to run your application under FastCGI. It will produce the
following warning every time:
UTF-16 surrogate 0xdc12 at /usr/lib/perl/5.8/IO/Handle.pm line 199.
I've created a minimal Catalyst application to demonstrate the problem
which can be downloaded here:
http://www.filedropper.com/utf16tar
No plugins are used and binmode is not set.
Anyways, hopefully this makes it easier for people to figure out what is
going on.
- Jim
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