For help on how to do this, see the example blog posts listed at the end of the tutorial. For anything beyond the scope of this tutorial, you’d need to implement a database backend of some kind. It uses an in-memory ArrayList as a data source, which is not synchronized (and thus would run into threading problems in a real web servlet). NOTE: this is a very naive implementation of a REST service. Stop the Jetty server by pressing Ctrl-C in the terminal window where it’s running. To deploy this, you would typically build the packaged WAR file using mvn package and deploy the WAR to your Jetty server. That’s how you can create a web service using Maven and Jetty. If your local Jetty server is still running, you can go ahead and test it. It demonstrates how to support POST and DELETE operations, as well as simple GETs and some simple error handling. This is a web app that tracks a list of hikes. 4.0.0 com.demo demo 1.0-SNAPSHOT war demo UTF-8 17 17 11.0.15 rvlet rvlet-api 6.0.0 provided jetty-maven-plugin $ It is designed to make the development and testing of Jetty servlets easy by adding Maven goals to run and test the app. Lastly, the Jetty Maven plugin has also been included. The packaging type for the project is war, not jar, and the Maven War plugin has been included in the build dependencies ( maven-war-plugin). As you’ll see in the servlet code, this package provides the standardized classes and annotations used to build the servlet. This happened when Java EE moved from Oracle to the Eclipse Foundation and became Jakarta EE. The Servlet API dependency used to be javax-servlet-api, but Java EE is no longer maintained and has been migrated into rvlet-api. It is scoped as provided because, in deployment, this package will be provided by the server container. The only project dependency is rvlet-api. Notice the Jetty version is set in the properties block. Open the folder maven-jetty in your favorite IDE.įirst, take a look at the pom.xml file (which is shown below). You should have the files from the GitHub repository. In the second half, you’ll see how to upgrade this to a Spring Boot-based web service, to which you’ll add JWT-based authentication and authorization using Okta and Auth0 as the OAuth 2.0 and OIDC providers. In the first part of this tutorial, you’re going to create a simple web service using Maven and then Gradle. spring-boot-jetty-maven-auth0: web service using Spring Boot and Maven secured with Auth0īuild a simple web service with Java and Jetty.spring-boot-jetty-maven-okta: web service using Spring Boot and Maven secured with Okta.spring-boot-jetty-maven-no-auth: web service using Spring Boot and Maven.Start by cloning this tutorial’s GitHub repo: But you can wait until later in the tutorial and use the Okta CLI to log in or register for a new account. You will need a free Okta Developer account if you don’t already have one. HTTPie: a simple tool for making HTTP requests from the command line.Auth0 CLI: the Auth0 command-line interface.Okta CLI: the Okta command-line interface.Java 17: or use SDKMAN! to manage and install multiple versions.Learn more about Java, Spring Boot, and Spring Securityīefore you start, please make sure you have the following prerequisites installed (or install them now).Use the Okta CLI to create an OIDC application.Build a web service with Spring Boot and Jetty.Build a web service with Gradle and Jetty.Build a simple web service with Java and Jetty.Finally, you’ll add JWT (JSON Web Token) authentication and authorization to the web service using method-level security with Okta as the OAuth/OIDC provider. After that, you will create the same web service in Spring Boot and Jetty. In this tutorial, you will build a simple web service with Jetty embedded. Spring also uses Tomcat by default, but you can easily change this, as you’ll see. However, with a little configuration, you can also publish a WAR file to a separate Jetty or Tomcat servlet container (old-school application server style). Like Tomcat, you can use Jetty both embedded and stand-alone.īy default, Spring Boot creates applications with embedded web servers, which means that the server is embedded within the application code itself, so you don’t have to run a separate web server to publish Java web applications. It is the main alternative to Tomcat when hosting Java applications. It is standards-compliant and open source, as well as commercially usable. Because it is an Eclipse project, its open source project is called Eclipse Jetty. It powers websites and frameworks, both large and small, such as Google AppEngine. It supports HTTP/2, WebSockets, and many other protocols. Jetty is a small, highly-scalable Java-based web server and servlet engine.
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