https://bz.apache.org/bugzilla/show_bug.cgi?id=65776
Bug ID: 65776
Summary: "Duplicate accept detected" error from a subsequent
request with the same local port
Product: Tomcat 9
Version: 9.0.56
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Connectors
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: -----
"Duplicate accept detected" error might happen if a client reuses its local
port somehow.
This is a synthetic test to demonstrate it:
https://github.com/izeye/spring-boot-throwaway-branches/blob/tomcat-duplicate-accept-detected/src/test/java/com/izeye/throwaway/DuplicateAcceptDetectedTests.java
This is happening in my production environment that is running on CentOS in a
Kubernetes cluster. Although I didn't get to the bottom of the reason why the
same local port is being used yet, it seems that it might prevent from
accepting valid requests from a client.
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