I've been using servlet 3.0 async processing using Jetty 9.0.6.v20130930 quite
nicely- able to handle 7k+ concurrent connections on commodity hardware.
Now that Jetty 9.1 is GA, I'm trying to use async IO on top of async
processing.

Essentially, in my worker thread which processes async context, instead of
directly writing to output stream, I've set WriteListener which in turn
writes to output stream. The problem is that after processing few requests,
Jetty is not accepting new connections- it kind of hangs. Existing client
connections eventually time out.

Is there a sample code available somewhere which shows how to use async
processing with async IO?

If we take this code as an example- https://gist.github.com/keesun/1621658,
I'm modifying line #42 -
asyncContext.getResponse().getWriter().printf("ticker: %s, price: %.2f",
ticker, price);

and replacing it with

ServletOutputStream out = response.getOutputStream();
out.setWriteListener(new StandardDataStream(content,async,out));

(as mentioned in this example-
https://webtide.intalio.com/2013/07/servlet-3-1-async-io-and-jetty/)

but as I mentioned, after processing few requests, Jetty becomes
unresponsive.

Any pointers on how to resolve this issue?
Thanks in advance,
Gaurav
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