Just dropping by because I found the following in our server logs. [2024-12-18 10:30:39] [crit] Socket accept failed [2024-12-18 10:30:39] [crit] 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 [2024-12-18 10:30:39] [crit] at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:548) [2024-12-18 10:30:39] [crit] at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:78) [2024-12-18 10:30:39] [crit] at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:129) [2024-12-18 10:30:39] [crit] at java.base/java.lang.Thread.run(Thread.java:829)
Ubuntu 22.04, kernel 5.15.0-126-generic It happens relatively rarely, only once every few weeks. Here are the other occurrences: /var/log/tomcat9/catalina.out.27.gz:[2024-06-09 07:58:56] [crit] 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 /var/log/tomcat9/catalina.out.8.gz:[2024-10-22 11:26:38] [crit] 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1924298 Title: accept returns duplicate endpoints under load To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1924298/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
