When promoteTransitiveDependencies=true, some <exclusions> are stripped from the dependency-reduced-pom

        <dependency>
            <groupId>ch.imvs</groupId>
            <artifactId>sdes4j</artifactId>
            <version>1.1.3</version>
            <exclusions>
                <exclusion>
                    <groupId>commons-codec</groupId>
                    <artifactId>commons-codec</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.10</version>
        </dependency>

<execution>
<id>shade-for-obfuscate</id>
<phase>package</phase>
<goals>
    <goal>shade</goal>
</goals>
<configuration>
    <artifactSet>
        <includes>
            <include>${project.groupId}:firstModule</include>
        </includes>
    </artifactSet>
    <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
    <dependencyReducedPomLocation>${basedir}/target/dependency-reduced-pom.xml</dependencyReducedPomLocation>
</configuration>
</execution>

    <dependency>
      <groupId>ch.imvs</groupId>
      <artifactId>sdes4j</artifactId>
      <version>1.1.3</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>commons-codec</groupId>
      <artifactId>commons-codec</artifactId>
      <version>1.10</version>
      <scope>compile</scope>
    </dependency>