--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -10,2 +10,2 @@ 
-<project name="YourProject" default="default" basedir=".">
---
+<project name="YourProject" default="default" basedir="." xmlns:webproject2="http://www.netbeans.org/ns/web-project/2">
@@ -13,0 +13,15 @@ 
+
+    <target name="-pre-compile" depends="-copy-persistence-xml">
+        <property name="jpa.metamodel" location="${build.generated.sources.dir}/jpa-metamodel"/>
+        <mkdir dir="${jpa.metamodel}"/>
+        <copy todir="${jpa.metamodel}/META-INF">
+            <fileset dir="${persistence.xml.dir}" includes="persistence.xml"/>
+        </copy>
+        <webproject2:javac destdir="${jpa.metamodel}" gensrcdir="${build.generated.sources.dir}">
+            <customize>
+                <compilerarg line="-processor org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor -proc:only"/>
+            </customize>
+        </webproject2:javac>
+        <delete dir="${jpa.metamodel}/META-INF"/>
+    </target>
+