Hi Mark,
Not all the bytes stored in a BytesWritable object are necessarily
valid. Use BytesWritable#getLength() to determine how much of the
buffer returned by BytesWritable#getBytes() to use.
Tom
On Fri, Feb 6, 2009 at 5:41 AM, Mark Kerzner <markkerz...@gmail.com> wrote:
> Hi,
>
> I have written binary files to a SequenceFile, seemeingly successfully, but
> when I read them back with the code below, after a first few reads I get the
> same number of bytes for the different files. What could go wrong?
>
> Thank you,
> Mark
>
> reader = new SequenceFile.Reader(fs, path, conf);
> Writable key = (Writable)
> ReflectionUtils.newInstance(reader.getKeyClass(), conf);
> Writable value = (Writable)
> ReflectionUtils.newInstance(reader.getValueClass(), conf);
> long position = reader.getPosition();
> while (reader.next(key, value)) {
> String syncSeen = reader.syncSeen() ? "*" : "";
> byte [] fileBytes = ((BytesWritable) value).getBytes();
> System.out.printf("[%s%s]\t%s\t%s\n", position, syncSeen,
> key, fileBytes.length);
> position = reader.getPosition(); // beginning of next record
> }
>
