private static byte[] buildDataBuffer(final int size) {
        final StringBuilder builder = new StringBuilder();
        while (builder.length() < size) {
            builder.append(((short) (RandomUtils.nextInt(0, 20))) + 'a');
        }
        return builder.toString().getBytes(StreamUtil.DEFAULT_CHARSET);

    }
<p>
Runnable Java Program that can act as a test client to the data feed.
</p>
<p>
<p>
Duplicate class with no reuse to allow copy to be placed in documentation.
</p>
stroom-core/src/main/java/stroom/core/tools/ErrorDataFeedClient.java