funky-eyes commented on code in PR #7451:
URL: https://github.com/apache/incubator-seata/pull/7451#discussion_r2157256565
##########
core/src/main/java/org/apache/seata/core/protocol/detector/HttpDetector.java:
##########
@@ -52,10 +67,59 @@ private boolean startsWith(ByteBuf buffer, String prefix) {
@Override
public ChannelHandler[] getHandlers() {
+ HttpServerCodec sourceCodec = new HttpServerCodec();
+ HttpServerUpgradeHandler upgradeHandler =
getHttpServerUpgradeHandler(sourceCodec);
+
+ ChannelInboundHandlerAdapter upgradeCleanupHandler = new
ChannelInboundHandlerAdapter() {
+ @Override
+ public void userEventTriggered(ChannelHandlerContext ctx, Object
evt) throws Exception {
+ if (evt instanceof HttpServerUpgradeHandler.UpgradeEvent) {
+ ChannelPipeline p = ctx.pipeline();
+ p.remove(HttpObjectAggregator.class);
+ p.remove(HttpDispatchHandler.class);
+ }
+ super.userEventTriggered(ctx, evt);
+ }
+ };
+
+ ChannelInboundHandlerAdapter finalExceptionHandler = new
ChannelInboundHandlerAdapter() {
+ @Override
+ public void exceptionCaught(ChannelHandlerContext ctx, Throwable
cause) {
+ if (cause instanceof java.io.IOException) {
+ LOGGER.trace("Connection closed by client: {}",
cause.getMessage());
+ } else {
+ LOGGER.error("Exception caught in HTTP pipeline: ", cause);
+ }
+ ctx.close();
+ }
+ };
Review Comment:
> Is it okay not to override methods like `channelInactive` and
`channelUnregistered`?
Since most HTTP connections are short-lived, if you do not override the
exceptionCaught method, a large number of unexpected connection closed
exceptions will be output. For example, if you use the curl command to simulate
a request, you will encounter such exceptions.
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