ArrayIndexOutOfBounds Exception on OutputSteam write()

[Jason Ferguson]

This is probably a simple one, but the following chunk of code keeps throwing ArrayIndexOutOfBoundsException on the outputStream.write(buffer, 0, size) line.

        int length = byteArray.length;
        if (length > 0) {
            int size = 0;
            ServletOutputStream outputStream = httpServletResponse.getOutputStream();
            httpServletResponse.setContentLength(length);
            httpServletResponse.setContentType("application/vnd.ms-powerpoint");
            httpServletResponse.setHeader("Content-Disposition", "filename=cbt.ppt");
            InputStream is = new ByteArrayInputStream(byteArray);
 
            int bufferSize = 1024;
            byte[] buffer = new byte[bufferSize];
 
            while ((size = is.read(buffer)) != -1) {
                outputStream.write(buffer, 0, size);
            }
 
            is.close();
            outputStream.flush();
 
        }

Anyone see my error?

Jason

[Joe Ess]

I don't see anything obvious, but why aren't you writing the byte array to the output stream with a single write call?

outputStream.write(byteArray);

[Jason Ferguson]

Uh, because I really don't know what I'm doing and the code I stole this from used the buffer?

Seriously, thanks for pointing this out.

Jason

Originally posted by Joe Ess:
I don't see anything obvious, but why aren't you writing the byte array to the output stream with a single write call?

outputStream.write(byteArray);