if (buffer1.recordType == ODocument.RECORD_TYPE) {
// DOCUMENT: TRY TO INSTANTIATE AND COMPARE
doc1.reset();
doc1.fromStream(buffer1.buffer);
doc2.reset();
doc2.fromStream(buffer2.buffer);
if (!doc1.hasSameContentOf(doc2)) {
listener.onMessage("\n- KO: RID=" + clusterId + ":" + i + " document content is different");
listener.onMessage("\n--- REC1: " + new String(buffer1.buffer));
listener.onMessage("\n--- REC2: " + new String(buffer2.buffer));