Re: Jpeg encoder exception: Trying to make a thumbail from a jpeg
image in a b
Please don't multi-post. If you must post to two newsgroups, specify
both newsgroups in your news client /at the same time/.
I have a web application in asp.net wich I am rewriting to Java. Is
about uploading pictures online. Web system upload perfectly
pictures, but in original size. I would like to upload too a thumbail
version of the big picture. For that, I am using Jpegencoder from
sun, and seems I am doing something bad, coz when I am trying to do
that I get a exception: "nof a jpeg file: start " and so on...
If it's not a JPEG, using a JPEG to decode won't work.
I get the file data from a fileupload (apache commons fileupload), and
since I get the byte array of each picture I save it into a bussiness
The complete code is in here, just in case someone of you could help
me. I am getting extressed coz dont know what coulb be wrong, if
somone of you could help it will be more than great!. Thank you for
This is Usenet, not an instant-messaging forum or a text-message. Take
time and care to ensure that your words are spelled correctly and that
proper capitalization is used (especially where class names are involved).
I would also note that the code you have given us is obviously not
complete; it is generally more important to give relevant portions of
code and highlighting where the error is.
[ ... ]
JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(in);
Are you sure that the input stream is actually a JPEG? Print it out
somewhere and see if it really is a JPEG.
Beware of bugs in the above code; I have only proved it correct, not
tried it. -- Donald E. Knuth