<version.net.sf.proguard>6.0.3</version.net.sf.proguard>
<proguard-maven-plugin.version>2.0.14</proguard-maven-plugin.version>

<plugin>
    <groupId>com.github.wvengen</groupId>
    <artifactId>proguard-maven-plugin</artifactId>
    <version>${proguard-maven-plugin.version}</version>
    <configuration>
        <includeDependency>false</includeDependency>
        <injar>${project.build.finalName}.${project.packaging}</injar>
        <outjar>${project.build.finalName}-proguard.${project.packaging}</outjar>
        <libs>
            <lib>${java.bootstrap.classes}</lib>
            <lib>${java.cryptographic.extension.classes}</lib>
            <lib>${java.secure.socket.extension.classes}</lib>
        </libs>
        <options>
            <option>-keepclasseswithmembers public class * { public static void main(java.lang.String[]); }</option>
            <option>-keepattributes Signature</option>
            <option>-keepattributes *Annotation*</option>
            <option>-keepattributes InnerClasses,EnclosingMethod</option>
        </options>
    </configuration>
    <dependencies>
        <dependency>
            <groupId>net.sf.proguard</groupId>
            <artifactId>proguard-base</artifactId>
            <version>${version.net.sf.proguard}</version>
            <scope>runtime</scope>
        </dependency>
    </dependencies>
    <executions>
        <execution>
            <id>proguard</id>
            <phase>package</phase>
            <goals>
                <goal>proguard</goal>
            </goals>
        </execution>
    </executions>
</plugin>

[INFO] execute ProGuard [-injars, 'D:DevelopmentProjectsexamplescanned-image-cleanuptargetscanned-image-cleanup-0.0.1-SNAPSHOT_proguard_base.jar
(!META-INF/maven/**), -outjars, 'D:DevelopmentProjectsexamplescanned-image-cleanuptargetscanned-image-cleanup-0.0.1-SNAPSHOT.jar', -libraryjars,
'null', -libraryjars, 'null', -libraryjars, 'null', -printmapping, 'D:DevelopmentProjectsexamplescanned-image-cleanuptargetproguard_map.txt', -p
intseeds, 'D:DevelopmentProjectsexamplescanned-image-cleanuptargetproguard_seed.txt', -keepclasseswithmembers public class * { public static voi
 main(java.lang.String[]); }, -keepattributes Signature, -keepattributes *Annotation*, -keepattributes InnerClasses,EnclosingMethod]
[INFO] proguard jar: C:Usersuser.m2repositorynetsfproguardproguard-base6.0.3proguard-base-6.0.3.jar
 [proguard] ProGuard, version 6.0.3
 [proguard] Error: The same input jar [D:DevelopmentProjectsexamplescanned-image-cleanupnull] is specified twice.