Programmer DD
Feb 18, 2020 · Backend Development
How to Hot‑Update Java Code in Production Using Arthas
This tutorial demonstrates how to use Alibaba's open‑source Java diagnostic tool Arthas to decompile, modify, and hot‑replace a running class in a production environment, covering the jad, mc, and redefine commands, practical steps, and common pitfalls.
ArthasDebuggingHot Update
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