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Document that Actuator endpoint may have at most one extension of each type #47740

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Document that Actuator endpoint may have at most one extension of each type #47740

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2 changes: 1 addition & 1 deletion ...pring-boot-docs/src/docs/antora/modules/reference/pages/actuator/endpoints.adoc
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Expand Up @@ -399,7 +399,7 @@ These endpoints are restricted to their respective technologies.
For example, javadoc:org.springframework.boot.actuate.endpoint.web.annotation.WebEndpoint[format=annotation] is exposed only over HTTP and not over JMX.

You can write technology-specific extensions by using javadoc:org.springframework.boot.actuate.endpoint.web.annotation.EndpointWebExtension[format=annotation] and javadoc:org.springframework.boot.actuate.endpoint.jmx.annotation.EndpointJmxExtension[format=annotation].
These annotations let you provide technology-specific operations to augment an existing endpoint.
These annotations let you provide technology-specific operations to augment an existing endpoint. An endpoint may have at most one extension of each type.

Finally, if you need access to web-framework-specific functionality, you can implement servlet or Spring javadoc:org.springframework.stereotype.Controller[format=annotation] and javadoc:org.springframework.web.bind.annotation.RestController[format=annotation] endpoints at the cost of them not being available over JMX or when using a different web framework.

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