Citygml4j didn't seem to work in jar-with-dependencies

enrich-citygml-with-greenarea/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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.hft.stuttgart</groupId>
 	<artifactId>enrich-citygml-with-osm</artifactId>
@@ -32,33 +34,45 @@
 				<artifactId>maven-surefire-plugin</artifactId>
 				<version>3.0.0-M5</version>
 			</plugin>
+
 			<plugin>
-			<artifactId>maven-assembly-plugin</artifactId>
-			<executions>
-				<execution>
-				<phase>package</phase>
-				<goals>
-					<goal>single</goal>
-				</goals>
-				</execution>
-			</executions>
-			<configuration>
-				<archive>
-				<manifest>
-					<addClasspath>true</addClasspath>
-					<mainClass>de.hft.stuttgart.citygml.green.osm.GreenEnricher</mainClass>
-				</manifest>
-				</archive>
-				<descriptorRefs>
-				<descriptorRef>jar-with-dependencies</descriptorRef>
-				</descriptorRefs>
-			</configuration>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-dependency-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>copy-dependencies</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>copy-dependencies</goal>
+						</goals>
+						<configuration>
+							<outputDirectory>${project.build.directory}/lib</outputDirectory>
+							<overWriteReleases>false</overWriteReleases>
+							<overWriteSnapshots>false</overWriteSnapshots>
+							<overWriteIfNewer>true</overWriteIfNewer>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<configuration>
+					<archive>
+						<manifest>
+							<addClasspath>true</addClasspath>
+							<classpathPrefix>lib/</classpathPrefix>
+							<mainClass>de.hft.stuttgart.citygml.green.osm.GreenEnricher</mainClass>
+						</manifest>
+					</archive>
+				</configuration>
 			</plugin>
 		</plugins>
 	</build>
 
 	<dependencies>
-		<!-- https://mvnrepository.com/artifact/jakarta.xml.bind/jakarta.xml.bind-api -->
+		<!--
+		https://mvnrepository.com/artifact/jakarta.xml.bind/jakarta.xml.bind-api -->
 		<dependency>
 			<groupId>jakarta.xml.bind</groupId>
 			<artifactId>jakarta.xml.bind-api</artifactId>
@@ -77,7 +91,8 @@
 			<artifactId>gt-shapefile</artifactId>
 			<version>24.5</version>
 		</dependency>
-		<!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
+		<!--
+		https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
 			<artifactId>junit-jupiter-api</artifactId>