Java 8 compilation

ms-launcher/pom.xml

@@ -63,6 +63,16 @@
                     </excludes>
                 </configuration>
             </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+
         </plugins>
     </build>
 

pom.xml

@@ -21,7 +21,7 @@
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <properties>
-        <java.version>11</java.version>
+        <java.version>8</java.version>
     </properties>
 
 </project>