This practice's main advantage is that it avoids coderedundancy in every Action class that handles ActionErrors.
这一实践主要的优势是：避免了每个处理 ActionErrors 的 Action 类中的代码冗余。
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The method can reduce the coderedundancy, enhance the reuse of common services among federates and federation, and compensate OOP insufficiency in solving the crosscutting problems.
No matter how well Ajax applications are optimized, what hardware accelerators have been used, or how coderedundancy has been reduced or eliminated, you need to resolve interoperability issues.