ShadowySpirits commented on code in PR #5029:
URL: https://github.com/apache/rocketmq/pull/5029#discussion_r966640210
##########
remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyDecoder.java:
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@@ -45,6 +46,14 @@ public Object decode(ChannelHandlerContext ctx, ByteBuf in)
throws Exception {
}
return RemotingCommand.decode(frame);
} catch (Exception e) {
+ in.resetReaderIndex();
+ // user input may be HiRMQ, HiRMQ\n or HiRMQ\r\n
+ if (in.readableBytes() >= 5 || in.readableBytes() <= 7) {
+ String magicCode = in.readCharSequence(5,
StandardCharsets.UTF_8).toString();
+ if (magicCode.equalsIgnoreCase("HiRMQ")) {
Review Comment:
Good idea, I have added this feature to document.
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