When using the NetBeans IDE to build and debug javadoc by selecting the javadoc tool the ant target
does not build doclets.

Here is a short fix to rectify this.
diff --git a/make/build.xml b/make/build.xml
--- a/make/build.xml
+++ b/make/build.xml
@@ -559,7 +559,7 @@
         <build-classes includes="${javadoc.includes}"/>
     </target>

- <target name="build-javadoc" depends="build-javac,build-classes-javadoc">
+ <target name="build-javadoc" depends="build-javac, build-classes-javadoc, build-classes-doclets">
         <build-jar name="javadoc" includes="${javadoc.includes}"
                     jarclasspath="javac.jar doclets.jar"/>
         <build-tool name="javadoc"/>