[erlang-questions] Jinterface OtpErlangBinary utf-8 double encoding

[Carl-Johan Kjellander]

Ok, it is just a display thing in R15B.

(moose@REDACTED)67> <<"Föö"/utf8>>.
<<"Föö">>
(moose@REDACTED)68> <<"Föö">>.
<<"Föö">>

I thought the latter was utf-8 but probably not then, but the crazy
unicode-list-thingee.

/cjk



On Wed, Dec 4, 2013 at 3:10 PM, Carl-Johan Kjellander <
carljohan.kjellander@REDACTED> wrote:

> (moose@REDACTED)58> <<_:8, A1/utf8, A2/utf8>> = <<"Föö">>.
> ** exception error: no match of right hand side value <<"Föö">>
>
> So what is the correct way of seeing it in the shell? Should I see it as
> the correct character or the utf-8 encoded ones?
>
> /cjk
>
>
> On Wed, Dec 4, 2013 at 2:57 PM, Dmitry Kolesnikov <dmkolesnikov@REDACTED>wrote:
>
>> Hello,
>>
>> This is correct UTF8 binary.
>>
>> unicode:characters_to_list(B).
>> "Föö"
>>
>> <<_:8, A1/utf8, A2/utf8>> = <<"Föö">>.
>> A1 = 246
>>
>> - Dmitry
>>
>> On Dec 4, 2013, at 3:15 PM, Carl-Johan Kjellander <
>> carljohan.kjellander@REDACTED> wrote:
>>
>> I’m having utf-8 double encoding issues when sending binaries between
>> Java and Erlang.
>>
>>         java.lang.String foo = new java.lang.String("Föö");
>>         record[2] = new OtpErlangBinary(foo.getBytes());
>>
>> But of course that comes back as <<"Föö">> to my erlang node.
>>
>> Anyone have an idea why? Or how to fix? I'm compiling the java code with
>> -encoding UTF-8 and using Erlang R15B (erts-5.9).
>>
>> /cjk
>>
>>
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>>
>>
>>
>
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