szetszwo commented on a change in pull request #278:
URL: https://github.com/apache/incubator-ratis/pull/278#discussion_r523703693
##########
File path:
ratis-netty/src/main/java/org/apache/ratis/netty/server/NettyServerStreamRpc.java
##########
@@ -151,11 +152,23 @@ public void addRaftPeers(Collection<RaftPeer> newPeers) {
private ChannelInboundHandler newChannelInboundHandlerAdapter(){
return new ChannelInboundHandlerAdapter(){
+ private final AtomicReference<DataStreamRequestByteBuf> currentRef = new
AtomicReference<>();
+
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
- if (msg instanceof DataStreamRequestByteBuf) {
- requests.read((DataStreamRequestByteBuf)msg, ctx,
proxies::getDataStreamOutput);
+ if (!(msg instanceof DataStreamRequestByteBuf)) {
+ LOG.error("Unexpected message class {}, ignoring ...",
msg.getClass().getName());
+ return;
}
+
+ final DataStreamRequestByteBuf current = (DataStreamRequestByteBuf)
msg;
+ currentRef.set(current);
+ requests.read(current, ctx, proxies::getDataStreamOutput);
+ }
+
+ @Override
+ public void exceptionCaught(ChannelHandlerContext ctx, Throwable
throwable) {
+ DataStreamManagement.sendException(currentRef.get(), throwable, ctx);
Review comment:
It seems won't happen in Netty. Let's test it.
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