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How To Check Spring Boot Version

9 min read Oct 15, 2024
How To Check Spring Boot Version

How to Check Spring Boot Version

Spring Boot is a popular framework for building Java applications. It provides a convenient and efficient way to develop and deploy applications. Knowing the version of Spring Boot you're using is crucial for debugging, troubleshooting, and ensuring compatibility with other libraries. Here are some ways to check the Spring Boot version:

1. Using mvn dependency:tree

This method works if you're using Maven to manage your project's dependencies.

  1. Open a terminal or command prompt and navigate to the root directory of your Spring Boot project.
  2. Run the command: mvn dependency:tree
  3. Locate the Spring Boot dependency in the output. The version will be displayed next to the dependency name (e.g., org.springframework.boot:spring-boot-starter-web).

Example Output:

[INFO] Scanning for projects...
[INFO] 
[INFO] ----------------------< com.example:demo >----------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-dependency-plugin:3.1.1:tree (default-cli) @ demo ---
[INFO] com.example:demo:jar:0.0.1-SNAPSHOT
[INFO] +- org.springframework.boot:spring-boot-starter-web:jar:2.6.4:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter:jar:2.6.4:compile
[INFO] |  |  +- org.springframework.boot:spring-boot:jar:2.6.4:compile
[INFO] |  |  +- org.springframework.boot:spring-boot-autoconfigure:jar:2.6.4:compile
[INFO] |  |  +- org.springframework.boot:spring-boot-starter-logging:jar:2.6.4:compile
[INFO] |  |  |  +- ch.qos.logback:logback-classic:jar:1.2.11:compile
[INFO] |  |  |  |  \- ch.qos.logback:logback-core:jar:1.2.11:compile
[INFO] |  |  |  +- org.apache.logging.log4j:log4j-to-slf4j:jar:2.17.1:compile
[INFO] |  |  |  |  \- org.apache.logging.log4j:log4j-api:jar:2.17.1:compile
[INFO] |  |  |  \- org.slf4j:jul-to-slf4j:jar:1.7.36:compile
[INFO] |  |  +- jakarta.annotation:jakarta.annotation-api:jar:1.3.5:compile
[INFO] |  |  +- org.yaml:snakeyaml:jar:1.30:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-tomcat:jar:2.6.4:compile
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-core:jar:9.0.60:compile
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-el:jar:9.0.60:compile
[INFO] |  |  \- org.apache.tomcat.embed:tomcat-embed-websocket:jar:9.0.60:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-json:jar:2.6.4:compile
[INFO] |  |  +- com.fasterxml.jackson.core:jackson-databind:jar:2.13.2.1:compile
[INFO] |  |  |  +- com.fasterxml.jackson.core:jackson-annotations:jar:2.13.2.1:compile
[INFO] |  |  |  \- com.fasterxml.jackson.core:jackson-core:jar:2.13.2.1:compile
[INFO] |  |  +- com.fasterxml.jackson.datatype:jackson-datatype-jdk8:jar:2.13.2.1:compile
[INFO] |  |  +- com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.13.2.1:compile
[INFO] |  |  \- com.fasterxml.jackson.module:jackson-module-parameter-names:jar:2.13.2.1:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-validation:jar:2.6.4:compile
[INFO] |  |  \- org.hibernate.validator:hibernate-validator:jar:6.2.3.Final:compile
[INFO] |  |     +- jakarta.validation:jakarta.validation-api:jar:2.0.2:compile
[INFO] |  |     \- org.jboss.logging:jboss-logging:jar:3.4.3.Final:compile
[INFO] |  \- org.springframework:spring-web:jar:5.3.18:compile
[INFO] |     \- org.springframework:spring-beans:jar:5.3.18:compile
[INFO] ...

In the example above, the Spring Boot version is 2.6.4.

2. Using spring-boot-starter-parent in your pom.xml

If you are using the Spring Boot parent pom in your pom.xml, the Spring Boot version is automatically inherited from the parent.

Example pom.xml:


  
    org.springframework.boot
    spring-boot-starter-parent
    2.6.4
  
  demo
  0.0.1-SNAPSHOT
  jar
  demo
  Demo project for Spring Boot

In this example, the Spring Boot version is 2.6.4 as specified in the parent pom.

3. Checking the Spring Boot Version in your Application

You can also access the Spring Boot version directly within your application code using the SpringApplication class.

Example Code:

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
        System.out.println("Spring Boot version: " + SpringApplication.getSpringApplication().getVersion());
    }
}

This code will print the Spring Boot version to the console when the application starts.

4. Using the spring-boot-version command (for Gradle projects)

If you are using Gradle to manage your project's dependencies, you can use the spring-boot-version command to check the Spring Boot version.

  1. Open a terminal or command prompt and navigate to the root directory of your Spring Boot project.
  2. Run the command: ./gradlew spring-boot-version
  3. The output will display the Spring Boot version.

5. Checking the Spring Boot version in the build.gradle file (for Gradle projects)

If you are using the Spring Boot dependency in your build.gradle file, the version is specified there.

Example build.gradle:

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-web:2.6.4'
}

In this example, the Spring Boot version is 2.6.4.

6. Checking the Spring Boot version in the Project Dependencies

You can also check the Spring Boot version in the project dependencies. The version will be listed next to the Spring Boot dependency.

7. Checking the Spring Boot version in the IDE

Most IDEs have a way to view project dependencies, including the Spring Boot version.

For example, in IntelliJ IDEA:

  1. Right-click on the project in the Project view.
  2. Select "Open Module Settings".
  3. Go to "Modules > Dependencies".
  4. Locate the Spring Boot dependency and its version.

8. Checking the Spring Boot version in the Spring Boot Documentation

You can also check the Spring Boot version in the official documentation. The documentation is available on the Spring website.

9. Checking the Spring Boot version in the Spring Boot Release Notes

The Spring Boot release notes list all the changes and bug fixes in each version. The release notes can be found on the Spring website.

Conclusion

Knowing the Spring Boot version you're using is essential for troubleshooting and ensuring compatibility with other libraries. You can check the Spring Boot version in various ways, including using Maven or Gradle commands, looking at your project dependencies, or checking the Spring Boot documentation. Choose the method that best suits your project setup and development environment.

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