Xiao Lou's Tech Notes

Apr 28, 2021 · Backend Development

Why Does Dubbo 2.7.3 Throw Duplicate Unregister Errors and How to Fix It

This article investigates the duplicate unregister bug in Dubbo 2.7.3, explains how the shutdown hook interaction causes the error, and shows how the issue was fixed in later versions and can be mitigated without upgrading the whole framework.