Index: openjpa-examples/src/main/java/build.xml
===================================================================
--- openjpa-examples/src/main/java/build.xml	(revision 523426)
+++ openjpa-examples/src/main/java/build.xml	(working copy)
@@ -19,6 +19,8 @@
     <property name="parent" value="${basedir}/.."/>
     <property name="root" value="${parent}/.."/>
 
+    <property name="build.compiler" value="extJavac"/>
+
     <target name="usagewarning">
         <fail>
 Please traverse to a sub-directory and run "ant" from there.