belliottsmith commented on code in PR #4936:
URL: https://github.com/apache/cassandra/pull/4936#discussion_r3576797115
##########
src/java/org/apache/cassandra/transport/ExceptionHandlers.java:
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@@ -76,7 +76,9 @@ public void exceptionCaught(final ChannelHandlerContext ctx,
Throwable cause)
if (ctx.channel().isOpen())
{
Predicate<Throwable> handler =
getUnexpectedExceptionHandler(ctx.channel(), false);
- ErrorMessage errorMessage = ErrorMessage.fromException(cause,
handler);
+ // No request in scope at the channel level; a
WrappedException cause carries the frame's stream id
+ // and overrides this 0 fallback, otherwise the channel is
torn down for fatal errors.
+ ErrorMessage errorMessage = ErrorMessage.fromException(cause,
0, handler);
Review Comment:
I would probably not use a valid streamId as a placeholder you intend to
overwrite later
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