Maven : Creating jar with dependencies

While working with the maven, it is a case that all the dependent jars will not be packed into the jar, whereas in case of war, all the dependent jars wil be packed into web/lib folder. If you want to create a simple jar with all its dependency jars then you need to create uber jar.(Uber means Super, extreme or outstanding). Here are the steps to create uber jar using maven.

• Step 1 : Create an assembly xml and put it into your resources folder.

	<assembly>
	<id>uberjar</id>
	<formats>
	<format>jar</format>
	</formats>
	<includeBaseDirectory>false</includeBaseDirectory>
	<dependencySets>
	<dependencySet>
	<unpack>false</unpack>
	<scope>runtime</scope>
	<useProjectArtifact>false</useProjectArtifact>
	</dependencySet>
	</dependencySets>
	<fileSets>
	<fileSet>
	<directory>${project.build.outputDirectory}</directory>
	<outputDirectory>/</outputDirectory>
	</fileSet>
	</fileSets>
	</assembly>

view raw assembly.xml hosted with ❤ by GitHub
• Step 2 : Include assembly.xml in your pom in the plugin-configuration node along with the manifest-mainclass.

	<build>
	<pluginManagement>
	<plugins>
	<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-assembly-plugin</artifactId>
	<configuration>
	<descriptors>
	<descriptor>src/main/resources/assembly.xml</descriptor>
	</descriptors>
	<archive>
	<manifest>
	<mainClass>com.bala.MyMainClass</mainClass>
	<addClasspath>true</addClasspath>
	</manifest>
	</archive>
	</configuration>
	</plugin>
	</plugins>
	</pluginManagement>
	</build>

view raw partial-pom.xml hosted with ❤ by GitHub
• Step 3 : Fire mvn assembly:assembly, it will create simple and uber jar in your target folder.