Getting Started with the Spring Boot Actuator

What is the Spring Boot Actuator and how can we use it in our applications?

Spring Boot 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 a remote shell (SSH or Telnet). Auditing, health and metrics gathering can be automatically applied to your application.

Spring Boot Actuator

In this article, we will take a look at how to include the actuator in your next project and what endpoints are available. 

Actuator Dependencies

If you look all the way down the list you find the ops category and this is where our Spring Boot Actuator & Actuator Docs dependencies live. 

If you want to add the actuator and actuator docs to an existing project simply include the following dependencies. 

* Actuator HTTP endpoints are only available with a Spring MVC-based application.

Spring Boot Actuator 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. This means that if you run the application and go to http://localhost:8080/health you will get the health endpoint. 

Please create a simple application on your own and trying visiting some of the endpoints. 

ID Description Sensitive Default
actuator Provides a hypermedia-based “discovery page” for the other endpoints. Requires Spring HATEOAS to be on the classpath. true
auditevents Exposes audit events information for the current application. true
autoconfig Displays an auto-configuration report showing all auto-configuration candidates and the reason why they ‘were’ or ‘were not’ applied. true
beans Displays a complete list of all the Spring beans in your application. true
configprops Displays a collated list of all @ConfigurationProperties. true
dump Performs a thread dump. true
env Exposes properties from Spring’s ConfigurableEnvironment. true
flyway Shows any Flyway database migrations that have been applied. true
health Shows application health information (when the application is secure, a simple ‘status’ when accessed over an unauthenticated connection or full message details when authenticated). false
info Displays arbitrary application info. false
loggers Shows and modifies the configuration of loggers in the application. true
liquibase Shows any Liquibase database migrations that have been applied. true
metrics Shows ‘metrics’ information for the current application. true
mappings Displays a collated list of all @RequestMapping paths. true
shutdown Allows the application to be gracefully shutdown (not enabled by default). true
trace Displays trace information (by default the last 100 HTTP requests). true

If you are using Spring MVC, the following additional endpoints can also be used:

ID Description Sensitive Default
docs Displays documentation, including example requests and responses, for the Actuator’s endpoints. Requires spring-boot-actuator-docs to be on the classpath. false
heapdump Returns a GZip compressed hprof heap dump file. true
jolokia Exposes JMX beans over HTTP (when Jolokia is on the classpath). true
logfile Returns the contents of the logfile (if logging.file or logging.path properties have been set). Supports the use of the HTTP Range header to retrieve part of the log file’s content. true

Actuator Security

If you tried to visit some of the endpoints you might have received an error that looks like this. 

This is because by default the /beans endpoint is secured. It might have sensitive information and we wouldn’t want this information available to just anyone in production. If you look at the list of endpoints above you can see which ones are secured by default. 

If you want to disable the security of these endpoints in development you can do so by adding the following to your file.

Spring Boot Actuator Screencast

I created a short tutorial on everything we walked through in this article. 



Hi, I’m Dan Vega. I am a Software Engineer living just outside of one of my favorite places in the world, Cleveland Ohio. I am a self-taught programmer who firmly believes that you can accomplish anything in this life if you put your mind to it, roll up your sleeves and are willing to put in the work.

I have been writing software for over 17+ years now and I use my knowledge, passion, and influence to help other developers achieve their goals. I teach online and currently, have over 20,000 students.

When I am not writing software I have a number of things that really keep me busy. I love to read books, listen to podcasts and watch online courses. I have a real thirst for knowledge and it consumes me every single day of the week. I also love to run & lift heavy weights which keep me balanced throughout the week.

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