adjust activation

Author: mpeddada1

pom.xml

@@ -613,7 +613,7 @@
     <profile>
       <id>java21</id>
       <activation>
-        <jdk>21</jdk>
+        <jdk>[21,)</jdk>
       </activation>
       <build>
         <plugins>
@@ -631,7 +631,7 @@
             <artifactId>maven-javadoc-plugin</artifactId>
             <version>3.8.0</version>
             <configuration>
-              <source>8</source>
+              <source>1.8</source>
               <failOnError>false</failOnError>
             </configuration>
             <executions>