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SoPra RESTful Service Template FS24

Getting started with Spring Boot

Setup this Template with your IDE of choice

Download your IDE of choice (e.g., IntelliJ, Visual Studio Code, or Eclipse). Make sure Java 17 is installed on your system (for Windows, please make sure your JAVA_HOME environment variable is set to the correct version of Java).

IntelliJ

If you consider to use IntelliJ as your IDE of choice, you can make use of your free educational license here.

  1. File -> Open... -> SoPra server template
  2. Accept to import the project as a gradle project
  3. To build right click the build.gradle file and choose Run Build

VS Code

The following extensions can help you get started more easily:

  • vmware.vscode-spring-boot
  • vscjava.vscode-spring-initializr
  • vscjava.vscode-spring-boot-dashboard
  • vscjava.vscode-java-pack

Note: You'll need to build the project first with Gradle, just click on the build command in the Gradle Tasks extension. Then check the Spring Boot Dashboard extension if it already shows soprafs24 and hit the play button to start the server. If it doesn't show up, restart VS Code and check again.

Building with Gradle

You can use the local Gradle Wrapper to build the application.

  • macOS: ./gradlew
  • Linux: ./gradlew
  • Windows: ./gradlew.bat

More Information about Gradle Wrapper and Gradle.

Build

./gradlew build

Run

./gradlew bootRun

You can verify that the server is running by visiting localhost:8080 in your browser.

Test

./gradlew test

Development Mode

You can start the backend in development mode, this will automatically trigger a new build and reload the application once the content of a file has been changed.

Start two terminal windows and run:

./gradlew build --continuous

and in the other one:

./gradlew bootRun

If you want to avoid running all tests with every change, use the following command instead:

./gradlew build --continuous -xtest

API Endpoint Testing with Postman

We recommend using Postman to test your API Endpoints.

Debugging

If something is not working and/or you don't know what is going on. We recommend using a debugger and step-through the process step-by-step.

To configure a debugger for SpringBoot's Tomcat servlet (i.e. the process you start with ./gradlew bootRun command), do the following:

  1. Open Tab: Run/Edit Configurations
  2. Add a new Remote Configuration and name it properly
  3. Start the Server in Debug mode: ./gradlew bootRun --debug-jvm
  4. Press Shift + F9 or the use Run/Debug "Name of your task"
  5. Set breakpoints in the application where you need it
  6. Step through the process one step at a time

Testing

Have a look here: https://www.baeldung.com/spring-boot-testing