short keyLength = (short) msg.keyBytes().length;
ByteBuf content = ctx.alloc().buffer();
content.writeShort(msg.partition());
content.writeShort(keyLength);
content.writeBytes(key.getBytes(CHARSET));
<BUG>BinaryMemcacheRequest request = new DefaultFullBinaryMemcacheRequest("", Unpooled.EMPTY_BUFFER, content);
</BUG>
request.setOpcode(OP_OBSERVE);
request.setTotalBodyLength(content.readableBytes());
return request;

short keyLength = (short) msg.keyBytes().length;
ByteBuf content = ctx.alloc().buffer();
content.writeShort(msg.partition());
content.writeShort(keyLength);
content.writeBytes(key.getBytes(CHARSET));
BinaryMemcacheRequest request = new DefaultFullBinaryMemcacheRequest(EMPTY_BYTES, Unpooled.EMPTY_BUFFER, content);
request.setOpcode(OP_OBSERVE);
request.setTotalBodyLength(content.readableBytes());
return request;
