The issue has been reproduced on fully patched versions of Ubuntu 22.04 as well.
nov. 30 06:42:04 sd-170774 tomcat9[395629]: 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
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:548)
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:78)
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:129)
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at java.lang.Thread.run(Thread.java:750)
% uname -a
Linux sd-170774 5.15.0-53-generic #59-Ubuntu SMP Mon Oct 17 18:53:30 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
% cat /etc/issue
Ubuntu 22.04.1 LTS \n \l
The issue has been reproduced on fully patched versions of Ubuntu 22.04 as well.
nov. 30 06:42:04 sd-170774 tomcat9[395629]: 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 tomcat. util.net. NioEndpoint. serverSocketAcc ept(NioEndpoint .java:548) tomcat. util.net. NioEndpoint. serverSocketAcc ept(NioEndpoint .java:78) tomcat. util.net. Acceptor. run(Acceptor. java:129) Thread. run(Thread. java:750)
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at org.apache.
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at org.apache.
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at org.apache.
nov. 30 06:42:04 sd-170774 tomcat9[395629]: at java.lang.
% uname -a
Linux sd-170774 5.15.0-53-generic #59-Ubuntu SMP Mon Oct 17 18:53:30 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
% cat /etc/issue
Ubuntu 22.04.1 LTS \n \l