ant打包出错

用cmd在项目下输入ant后，出错


以下是XML文件：


<?xml version="1.0"?>
<project name="vega.build" default="all">

<property name="buildpack.version" value="06222011" />

<import file="build/ant/setup-targets.xml" />
<import file="build/ant/buildpack-targets.xml" />
<import file="build/ant/pde-build-targets.xml" />
<import file="build/ant/unpack-targets.xml" />

<target name="one">
    <property name="build.one" value="true" />
    <antcall target="dobuild" />
</target>

  <target name="dobuild">
<antcall target="buildpack-setup" />
<antcall target="clean" />
<antcall target="setup" />
<antcall target="pde-build" />
<antcall target="unpack-archive" />
  </target>

<target name="all">
<property name="build.all" value="true" />
<antcall target="dobuild" />
</target>

  <target name="dist">
<property name="build.all" value="true" />
<antcall target="dobuild" />
    <exec executable="build/dist-tools/osx/osx-dist.sh"></exec>
    <exec executable="build/dist-tools/nsis/windows-dist.sh"></exec>
  </target>
</project>
Ant XML 命令提示符 --------------------编程问答-------------------- 把  antlib导入到   eclipse里，把  build.xml建好，建好任务， <javac> 标签编译，然后再打包就没有问题了。先从简单的开始。

补充：Java ,  Java相关