deployment - Deploy my javafx 2 application on eclipse-SDK-4.2.1-win32-efx-0.8.0 -

i install eclipse-sdk-4.2.1-win32-efx-0.8.0 javafx developpement. make soe test , want deploy applicattion. firstly export ant , got ant file in projet

<?xml version="1.0" encoding="utf-8" standalone="no"?> <!-- warning: eclipse auto-generated file.               modifications overwritten.               include user specific buildfile here, create 1 in same               directory processing instruction <?eclipse.ant.import?>               first entry , export buildfile again. --><project basedir="." default="build" name="newtest">     <property environment="env"/>     <property name="eclipse_home" value="../../"/>     <property name="debuglevel" value="source,lines,vars"/>     <property name="target" value="1.7"/>     <property name="source" value="1.7"/>     <path id="javafx sdk.libraryclasspath">         <pathelement location="c:/program files/java/jre7/lib/jfxrt.jar"/>     </path>     <path id="newtest.classpath">         <pathelement location="bin"/>         <path refid="javafx sdk.libraryclasspath"/>         <pathelement location="lib/jfxtras-labs-2.2-r4.jar"/>     </path>     <target name="init">         <mkdir dir="bin"/>         <copy includeemptydirs="false" todir="bin">             <fileset dir="src">                 <exclude name="**/*.java"/>             </fileset>         </copy>     </target>     <target name="clean">         <delete dir="bin"/>     </target>     <target depends="clean" name="cleanall"/>     <target depends="build-subprojects,build-project" name="build"/>     <target name="build-subprojects"/>     <target depends="init" name="build-project">         <echo message="${ant.project.name}: ${ant.file}"/>         <javac debug="true" debuglevel="${debuglevel}" destdir="bin" includeantruntime="false" source="${source}" target="${target}">             <src path="src"/>             <classpath refid="newtest.classpath"/>         </javac>     </target>     <target description="build projects reference project. useful propagate changes." name="build-refprojects"/>     <target description="copy eclipse compiler jars ant lib directory" name="init-eclipse-compiler">         <copy todir="${ant.library.dir}">             <fileset dir="${eclipse_home}/plugins" includes="org.eclipse.jdt.core_*.jar"/>         </copy>         <unzip dest="${ant.library.dir}">             <patternset includes="jdtcompileradapter.jar"/>             <fileset dir="${eclipse_home}/plugins" includes="org.eclipse.jdt.core_*.jar"/>         </unzip>     </target>     <target description="compile project eclipse compiler" name="build-eclipse-compiler">         <property name="build.compiler" value="org.eclipse.jdt.core.jdtcompileradapter"/>         <antcall target="build"/>     </target>     <target name="test">         <java classname="app.test" failonerror="true" fork="yes">             <classpath refid="newtest.classpath"/>         </java>     </target> </project> 

and click on " generate ant build.xml , run" have error on console:

buildfile: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build.xml setup-staging-area:    [delete] deleting directory d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\externallibs    [delete] deleting directory d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\project    [delete] deleting directory d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\projectrefs     [mkdir] created dir: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\externallibs      [copy] copying 1 file d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\externallibs     [mkdir] created dir: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\project      [copy] copying 2 files d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\project     [mkdir] created dir: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\projectrefs do-compile:    [delete] deleting directory d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build     [mkdir] created dir: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build\src     [mkdir] created dir: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build\libs     [mkdir] created dir: d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build\classes      [copy] copying 1 file d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build\libs      [copy] copying 2 files d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build\src     [javac] compiling 2 source files d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build\classes init-fx-tasks:   [taskdef] not load definitions resource com/sun/javafx/tools/ant/antlib.xml. not found. do-deploy:      [copy] copying 1 file d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\dist\libs  build failed d:\eclipse-sdk-4.2.1-win32-efx-0.8.0\eclipse\myworkplace\newtest\build\build.xml:93: problem: failed create task or type javafx:com.sun.javafx.tools.ant:resources cause: name undefined. action: check spelling. action: check custom tasks/types have been declared. action: check <presetdef>/<macrodef> declarations have taken place. no types or tasks have been defined in namespace yet   total time: 14 seconds 

i don't know in ant please what's problem? thanks

so tells can't load javafx ant extensions

could not load definitions resource com/sun/javafx/tools/ant/antlib.xml. not found. do-deploy:

why didn't use build.fxbuild file generate ant file?