Fix javadoc with java 11

diff --git a/pom.xml b/pom.xml
index 8bac0a2bbcf8b7a88e68bcf1a07e802a4a435014..6953e48455d08460fb65dca3002c8a4c4f2e2f29 100644 (file)
--- a/pom.xml
+++ b/pom.xml
@@ -184,6 +184,13 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+         <source>8</source>
+        </configuration>
+      </plugin>      
     </plugins>
   </build>