private Metadata writeRead(Metadata meta) {
Metadata readed = new Metadata();
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
meta.write(new DataOutputStream(out));
readed.readFields(new DataInputStream(new ByteArrayInputStream(out.toByteArray())));
} catch (IOException ioe) {
fail(ioe.toString());
}
return readed;
}