Spring Boot 2.0 Actuator Examples

Spring Actuator with Spring Boot 2.0 examples.

• Example of a Spring Boot 2.0 custom Actuator endpoint

Build

Execute the following command from the parent directory to build the jar file:

mvn clean install

Run

From the parent directory, executte the following coommand to start the application:

java -jar target/spring-actuator-example-1.0.0.jar

You should notice the application starting up,

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.0.0.RELEASE)

...
completed in 1799 ms
...
2018-03-16 19:42:53.256  INFO 61043 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-03-16 19:42:53.346  INFO 61043 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/myhealth],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)
...
43 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2018-03-16 19:42:53.967  INFO 61043 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 2147483647
2018-03-16 19:42:53.968  INFO 61043 --- [           main] d.s.w.p.DocumentationPluginsBootstrapper : Context refreshed
2018-03-16 19:42:53.982  INFO 61043 --- [           main] d.s.w.p.DocumentationPluginsBootstrapper : Found 1 custom documentation plugin(s)
2018-03-16 19:42:54.010  INFO 61043 --- [           main] s.d.s.w.s.ApiListingReferenceScanner     : Scanning for api listing references
2018-03-16 19:42:54.127  INFO 61043 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2018-03-16 19:42:54.132  INFO 61043 --- [           main] com.basaki.Application                   : Started Application in 4.452 seconds (JVM running for 5.266)

Once the application starts up, navigate to http://localhost:8080/myhealth in a browser, e.g., Chrome. You should notice myhealth information as shown below,