si immaginavo, ed ho modificato il mio pom.xml così:
codice:
     <build> 
        <plugins> 
            <plugin> 
                <groupId>org.apache.maven.plugins</groupId> 
                <artifactId>maven-compiler-plugin</artifactId> 
                <version>2.5.1</version> 
                <inherited>true</inherited> 
                <configuration> 
                    <source>1.8</source> 
                    <target>1.8</target> 
                </configuration> 
            </plugin> 
            <plugin> 
                <groupId>org.apache.maven.plugins</groupId> 
                <artifactId>maven-dependency-plugin</artifactId> 
                <executions> 
                    <execution> 
                        <id>copy-dependencies</id> 
                        <phase>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> 
                <version>2.6</version> 
                <configuration> 
                    <archive> 
                        <manifest> 
                            <mainClass>com.cimoda.rest.Main</mainClass> 
                            <addClasspath>true</addClasspath> 
                            <classpathPrefix>lib/</classpathPrefix> 
                        </manifest> 
                    </archive> 
                </configuration> 
            </plugin> 
        </plugins> 
    </build>
poi ho compilato il progetto, ma nella cartella del progetto non c'è traccia di nulla.