zrlw opened a new pull request, #15529:
URL: https://github.com/apache/dubbo/pull/15529
## What is the purpose of the change?
```
private void pingAck(ChannelHandlerContext ctx) {
ChannelPipeline pipeline = ctx.channel().parent().pipeline();
pipeline.fireChannelRead(new DefaultHttp2PingFrame(0, true));
pipeline.fireChannelReadComplete();
```
will break Netty event handling process.
```pipeline.fireChannelRead(new DefaultHttp2PingFrame(0, true));``` will set
reading status of IdleStateHandler to true,
```pipeline.fireChannelReadComplete()``` will set read completed status no
matter whether current channel handler context finish reading or not.
## Checklist
- [x] Make sure there is a
[GitHub_issue](https://github.com/apache/dubbo/issues) field for the change.
- [x] Write a pull request description that is detailed enough to understand
what the pull request does, how, and why.
- [x] Write necessary unit-test to verify your logic correction. If the new
feature or significant change is committed, please remember to add sample in
[dubbo samples](https://github.com/apache/dubbo-samples) project.
- [x] Make sure gitHub actions can pass. [Why the workflow is failing and
how to fix it?](../CONTRIBUTING.md)
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