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Spring 4.2 has a @TestPropertySource which has some of the features of @IntegrationTest. This change adds @TestPropertySource to the @IntegrationTest annotation, so that (for instance) the cache key for the context includes properties for the test. Since @IntegrationTest has slightly different semantics I do not propose to deprecate it. Users can use it or @TestPropertySource, the main difference being that with @IntegrationTest the Spring Boot context loader is aware of the annotation and it will set sensible defaults for server.port and spring.jmx.enabled. There are some reflection hacks to overcome the usual fortifications of Spring Test. Fixes gh-1697 |
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= 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 endpoints, with JMX or even by remote shell (SSH or Telnet). Auditing, health and metrics gathering can be automatically applied to your application. The http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#production-ready[user guide] covers the features in more detail. == Enabling the Actuator The simplest way to enable the features is to add a dependency to the `spring-boot-starter-actuator` ``Starter POM''. 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 declaration: [indent=0] ---- dependencies { compile("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 `/health` (and see `/mappings` for a list of other HTTP endpoints). * **Metrics** Spring Boot Actuator includes a metrics service with ``gauge'' and ``counter'' support. A ``gauge'' records a single value; and a ``counter'' records a delta (an increment or decrement). Metrics for all HTTP requests are automatically recorded, so if you hit the `metrics` endpoint should should see a sensible response. * **Audit** Spring Boot Actuator has a flexible audit framework that will publish events to an `AuditService`. 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. * **Process Monitoring** In Spring Boot Actuator you can find `ApplicationPidListener` which creates a file containing the application PID (by default in the application directory with a file name of `application.pid`).