[BAEL-15319] - Check modules that don't use our standard parents

custom-pmd/pom.xml

@@ -7,6 +7,12 @@
     <name>custom-pmd</name>
     <packaging>jar</packaging>
     <url>http://maven.apache.org</url>
+    
+    <parent>
+        <artifactId>parent-modules</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
 
     <dependencies>
         <dependency>