I am impacted by this bug as well, as reported in my Tomcat 9-based
application logs:
[2022-04-18 21:45:44.764] ERROR [http-nio-9083-Acceptor ]
org.apache.tomcat.util.net.Acceptor Socket accept failed
java.io.IOException: Duplicate accept detected. This is a known OS bug.
Please consider reporting that you are affected:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298
This app runs on AWS ECS Fargate v1.4 in a Ubuntu 18.04 amd64 based
image using the BellSoft Liberica JRE 11. I get this log messages a
couple times a day on average.
The application continues running, seemingly without any problems. The
ERROR log trigger alerts which we will adapt to ignore, but I wanted to
add my experience with this issue here.
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https://bugs.launchpad.net/bugs/1924298
Title:
accept returns duplicate endpoints under load
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