Maven – Display project dependency

In Maven, you can use mvn dependency:tree to display the project dependencies in tree format.

1. Maven Project

Review a simple Maven project, declared Spring and logback dependencies.

	<properties>
		<spring.version>4.1.6.RELEASE</spring.version>
		<logback.version>1.1.3</logback.version>
		<jcl.slf4j.version>1.7.12</jcl.slf4j.version>
	</properties>

	<dependencies>

	  <dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-core</artifactId>
		<version>${spring.version}</version>
		<exclusions>
		  <exclusion>
			<groupId>commons-logging</groupId>
			<artifactId>commons-logging</artifactId>
		  </exclusion>
		</exclusions>
	  </dependency>

	  <dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-webmvc</artifactId>
		<version>${spring.version}</version>
	  </dependency>

	  <dependency>
		<groupId>org.slf4j</groupId>
		<artifactId>jcl-over-slf4j</artifactId>
		<version>${jcl.slf4j.version}</version>
	  </dependency>

	  <dependency>
		<groupId>ch.qos.logback</groupId>
		<artifactId>logback-classic</artifactId>
		<version>${logback.version}</version>
	  </dependency>

	</dependencies>

2. mvn dependency:tree

Example to display above project dependencies.

$ mvn dependency:tree

[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building {Project Name}
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ spring-mvc-logback ---
[INFO] com.mkyong.common:spring-mvc-logback:war:1.0-SNAPSHOT
[INFO] +- org.springframework:spring-core:jar:4.1.6.RELEASE:compile
[INFO] +- org.springframework:spring-webmvc:jar:4.1.6.RELEASE:compile
[INFO] |  +- org.springframework:spring-beans:jar:4.1.6.RELEASE:compile
[INFO] |  +- org.springframework:spring-context:jar:4.1.6.RELEASE:compile
[INFO] |  |  \- org.springframework:spring-aop:jar:4.1.6.RELEASE:compile
[INFO] |  |     \- aopalliance:aopalliance:jar:1.0:compile
[INFO] |  +- org.springframework:spring-expression:jar:4.1.6.RELEASE:compile
[INFO] |  \- org.springframework:spring-web:jar:4.1.6.RELEASE:compile
[INFO] +- org.slf4j:jcl-over-slf4j:jar:1.7.12:compile
[INFO] |  \- org.slf4j:slf4j-api:jar:1.7.12:compile
[INFO] +- ch.qos.logback:logback-classic:jar:1.1.3:compile
[INFO] |  \- ch.qos.logback:logback-core:jar:1.1.3:compile
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.937 s
[INFO] Finished at: 2015-06-19T19:17:54+08:00
[INFO] Final Memory: 13M/308M
[INFO] ------------------------------------------------------------------------

Done.