+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <version>3.0.2</version>
+ <configuration>
+ <archive>
+ <manifest>
+ <mainClass>
+ jexer.demos.Demo1
+ </mainClass>
+
+ </manifest>
+ <manifestEntries>
+ <Implementation-Version>${project.version}</Implementation-Version>
+ </manifestEntries>
+ </archive>
+ </configuration>
+ </plugin>