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Understanding Dubbo SPI: Core Mechanisms and Implementation Principles What is SPI? Service Provider Interface (SPI) represents a service discovery mechanism that combines interfaces, configuration files, and implementation classes. During runtime, the program dynamically loads implementation classes for interfaces, enabling modular, pluggabl ...

The Service Provider Interface (SPI) is a powerful service discovery mechanism built into Java. It enables frameworks to discover and load service implemantations dynamically by scanning configuration files in the META-INF/services directory on the classpath. Many popular frameworks including Dubbo and JDBC leverage SPI to provide extensible ar ...