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This commit introduces auto-configuration for the new Elasticsearch clients that are based upon their new Java client. The new Java client builds on top of their existing low-level REST client, replacing the high-level REST client which has been deprecated. As part of introducing support for the new Elasticsearch client, the auto-configuration for the templates (both imperative and reactive) provided by Spring Data has also been updated to use the new templates that build upon the new Java client. As part of these changes, support for the high-level REST client and the old Spring Data Elasticsearch templates has been removed. One significant change is that the new reactive template is no longer based on WebClient. As a result, the WebClient-specific configuration property has been removed. Closes gh-30647 Closes gh-28597 Closes gh-31755 |
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README.adoc |
= Spring Boot - Actuator Spring Boot Actuator includes a number of additional features to help you monitor and manage your application when it's pushed to production. You can choose to manage and monitor your application using HTTP or JMX endpoints. Auditing, health and metrics gathering can be automatically applied to your application. The https://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#production-ready[user guide] covers the features in more detail. == Enabling the Actuator The recommended way to enable the features is to add a dependency to the `spring-boot-starter-actuator` '`Starter`'. To add the actuator to a Maven-based project, add the following '`Starter`' dependency: [source,xml,indent=0] ---- <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> </dependencies> ---- For Gradle, use the following declaration: [indent=0] ---- dependencies { implementation 'org.springframework.boot:spring-boot-starter-actuator' } ---- == Features * **Endpoints** Actuator endpoints allow you to monitor and interact with your application. Spring Boot includes a number of built-in endpoints and you can also add your own. For example the `health` endpoint provides basic application health information. Run up a basic application and look at `/actuator/health`. * **Metrics** Spring Boot Actuator provides dimensional metrics by integrating with https://micrometer.io[Micrometer]. * **Audit** Spring Boot Actuator has a flexible audit framework that will publish events to an `AuditEventRepository`. Once Spring Security is in play it automatically publishes authentication events by default. This can be very useful for reporting, and also to implement a lock-out policy based on authentication failures.