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Tom,
On 4/8/2011 4:19 AM, Tomislav Brkljačić wrote:
> Ok, this is what i did.
>
> 1. updated the java runtime so they match on both machines
Not a bad idea, but probably didn't affect anything.
> Tried to run the examples, but still the same result.
>
> 2. installed livehttpheaders for firefox and ran the examples upload.
> This is the output from livehttp from my local machine (the same is on the
> server machine) :
So... is the local machine the one that does or does not work? Comparing
the two that DO work would be a good idea.
> Content-Type: multipart/form-data;
> boundary=---------------------------55652821543
Note the lack of a character encoding (in the main request header). This
is appropriate for multipart/form-data content.
> Content-Disposition: form-data; name="attach_file"; filename="priÄuva.txt"
> Content-Type: text/plain
>
> asdasdasd
> -----------------------------55652821543--
A couple of things:
1. I'm surprised that no Content-Length was sent along with the file.
2. Note that the filename has non-US-ASCII characters shown there.
I wonder if that's LiveHttpHeaders's interpretation of the header
(and in what encoding) or if that's what's on the wire.
I suspect that ff is just using utf-8 to send the filename. Tomcat may
interpret it as US-ASCII and give you an odd result. Actually... for
multipart, Tomcat shouldn't be involved: this may be a problem with the
library you are using for file uploads. You should definitely ask on the
BPM mailing list.
Here's one thing you can do:
String brokenString = part.getFilename(); // or whatever
String fixedString
= new String(brokenString.getBytes("US-ASCII"), "UTF-8"));
That will re-encode the bytes sent from the client UTF-8. This wil only
work if:
1. The client actually sent the data in UTF-8
2. Your multipart handler actually assumed that US-ASCII was correct
3. No alteration of the bytes has occurred by the interpretation
as US-ASCII
If any of the above are NOT true, you are basically stuck.
It would be worth it to look at the bytes are they are traversing the
network -- say, with Wireshark -- to determine whether the filename is
actually encoded in UTF-8 or some other encoding.
Hope that helps,
- -chris
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