The problem has been solved with Generic.pm Version 1.192.
Downloadable via OTRS CVS System: http://otrs.org/cvs/
 
Thx to Martin Edenhofer how has corrected this problem.
 
 
"Matthias Müller" <Matthias.Wegner@cimt-ag.de> schrieb im Newsbeitrag news:430C80C2.7010602@cimt-ag.de...
> Rainer Hasenzagl wrote:
>
>> 
>> If I switch the default charset from 'iso-8859-1' to 'UTF-8' in OTRS
>> config (Config.pm), I cannot open any attachment (sent by an
>> customer). (e.g. Adobe PDF- or Microsoft Word File or any other)
>> 
>> If I switch back to 'iso-8859-1' everything works fine.
>> So, I suggest that it is not an DB problem --> I save all attachments
>> in the DB (MySQL)
>> 
>
> There seems to be a problem in otrs or Perl to distinguis between utf-8
> strings and binary Data in special situations.
> Since utf-8 is expanding special chacters to 2 or 3 bytes, every binary
> data gets corrupted when th is is done accidentially.
> In the db the data is only a blob and character set are not relevant, so
> everything comes out as it went in.
> We had a similar problem. When using utf-8 encoding we could not
> foreward articels with binary attachments, since the base64 encoder did
> not accept the Data and failed with "Wide character found".
> We switched to iso-8859-1 and it works.
> Sorry this is only an explanation, but no solution, since debugging this
> problem is not easy.
>
>
>
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