maven-assembly-plugin descriptor for a simple tarball with dependencies

Today I was trying to make a simple tarball of a project + its dependent jar using the maven-assembly-plugin. I know this is a terrible way to do anything, but hey, just in case someone else wants to do something just as terrible, here are my pom.xml and assembly.xml (the assembly descriptor):

$ tree
.
├── assembly.xml
├── pom.xml
└── src
   └── main
       └── java
           └── AssemblyExample.java

$ cat pom.xml
<project
   xmlns="http://maven.apache.org/POM/4.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
>
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.example</groupId>
   <artifactId>myproject</artifactId>
   <name>My Projects</name>
   <version>0.1</version>
   <build><plugins><plugin>
       <artifactId>maven-assembly-plugin</artifactId>
       <version>2.2.1</version>
       <configuration><descriptors>
           <descriptor>assembly.xml</descriptor>
       </descriptors></configuration>
       <executions> <execution>
           <phase>package</phase>
           <goals><goal>attached</goal></goals>
       </execution></executions>
   </plugin></plugins></build>
   <dependencies>
       <dependency>
           <groupId>org.slf4j</groupId>
           <artifactId>slf4j-log4j12</artifactId>
           <version>1.7.2</version>
       </dependency>
   </dependencies>
</project>

$ cat assembly.xml
<?xml version="1.0" encoding="UTF-8"?>
<assembly>
   <id>ap3</id>

   <formats>
       <format>tar.gz</format>
   </formats>

   <includeBaseDirectory>true</includeBaseDirectory>

   <dependencySets>
       <dependencySet>
           <outputDirectory>jars</outputDirectory>
           <scope>runtime</scope>
       </dependencySet>
   </dependencySets>

</assembly>

$ mvn package
...
[INFO] Compiling 1 source file to /home/andrebal/Desktop/assemblyexample/target/classes
[INFO]
...
[INFO] Building jar: /home/andrebal/Desktop/assemblyexample/target/myproject-0.1.jar
...
[INFO] --- maven-assembly-plugin:2.2.1:attached (default) @ myproject ---
[INFO] Reading assembly descriptor: assembly.xml
[INFO] Building tar : /home/andrebal/Desktop/assemblyexample/target/myproject-0.1-ap3.tar.gz
...
[INFO] BUILD SUCCESS

$ tar -tzf target/myproject-0.1-ap3.tar.gz
myproject-0.1/jars/slf4j-log4j12-1.7.2.jar
myproject-0.1/jars/slf4j-api-1.7.2.jar
myproject-0.1/jars/log4j-1.2.17.jar
myproject-0.1/jars/myproject-0.1.jar

Originally posted at 2017-09-14 12:06:36+00:00. Automatically generated from the original post : apologies for the errors introduced.

original post

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