parent-plugin-management

<!-- Plugin management -->
<build>
  <pluginManagement>
     <plugins>
    <!-- compiler plugin -->
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <version>${compiler-plugin-version}</version>
          <configuration>
        <source>${java-version}</source>
        <target>${java-version}</target>
        <encoding>${project.build.sourceEncoding}</encoding>
     </configuration>
      </plugin>
   </plugins>
  </pluginManagement>
</build>