In the vast universe of Java frameworks, Spring Boot emerges like a superhero, facilitating the rapid development of stand-alone, production-grade Spring applications. This blog will guide you through the essentials of utilizing Spring Boot, complete with a troubleshooting section to alleviate any hurdles you may face along the way.

Contents

• Tutorials
• DevOps
• Spring Boot Features

Tutorials

The easiest way to grasp Spring Boot is by hands-on examples. Here are a few projects you can start with:

Project	Build Tool	Description
spring-boot-jdbc-example	Gradle	Integrating Spring Boot with JDBC
spring-boot-jpa-example	Gradle	Integrating Spring Boot with JPA
spring-boot-mybatis-example	Gradle	Integrating Spring Boot with MyBatis
spring-boot-mybatis-multi-example	Gradle	Integrating Spring Boot with multiple datasources
spring-boot-mvc-example	Gradle	Integrating Spring Boot with Spring MVC

DevOps

Prerequisite

Your operating system must have the JDK installed, and it’s recommended to install an IDE to easily look up the source code.

Testing Your Setup

You can check if everything is running smoothly by validating your test cases. Use the following command:

$ gradlew test

Building the Project

Next, to build your project and create executable JAR or WAR files, run:

$ gradlew assemble

If you encounter any issues, check the execution permissions with:

$ chmod +x gradlew

Running Your Application

Finally, you can run your application with:

$ gradlew :spring-boot-mvc-example:bootRun

Once your application is running, you can access it by visiting http://localhost:8080/users in your web browser.

Spring Boot Features

Spring Boot offers a plethora of features to streamline your development process:

Feature Highlights

• CLI Installation: Install Spring Boot CLI easily.
• Dependencies Management: Automatically manage your project dependencies.
• Actuator: Monitor and manage your application in production.
• Profiles: Different settings for different environments.

Example of Command-Line Installation

To install the Spring Boot CLI, you can run:

$ brew tap pivotal/tap

$ brew install springboot

Check the installation version with:

$ spring --version

Troubleshooting

Should you encounter issues during your Spring Boot journey, consider the following troubleshooting steps:

• Ensure that the JDK is correctly installed.
• Check if you have granted execution permission to gradlew.
• If the application fails to run, revisit your configurations and dependencies.

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Now you have a structured introduction to Spring Boot and its capabilities. Dive into the world of Spring Boot and harness the power of this excellent framework for your next project!