spring 菜鸟问题。

Question

我下载了 spring 的源码。但是ANT的时候出现下面的问题。这是怎么回事。谢谢！
test.do:
    [mkdir] Created dir: E:\studyWorkSpace\spring-framework\org.springframework.
expression\target\test-classes
  [s:javac] Compiling 37 source files to E:\studyWorkSpace\spring-framework\org.
springframework.expression\target\test-classes
   [subant] Leaving directory: E:\studyWorkSpace\spring-framework\org.springfram
ework.expressionBUILD FAILED
E:\studyWorkSpace\spring-framework\spring-build\multi-bundle\quality.xml:23: The
 following error occurred while executing this line:
E:\studyWorkSpace\spring-framework\spring-build\multi-bundle\common.xml:71: The
following error occurred while executing this line:
E:\studyWorkSpace\spring-framework\spring-build\common\quality.xml:27: The follo
wing error occurred while executing this line:
E:\studyWorkSpace\spring-framework\spring-build\common\common.xml:163: The follo
wing error occurred while executing this line:
E:\studyWorkSpace\spring-framework\spring-build\standard\common.xml:14: java.lan
g.reflect.InvocationTargetExceptionTotal time: 2 minutes 41 seconds
E:\studyWorkSpace\spring-framework\build-spring-framework>ant -version
Apache Ant version 1.7.1 compiled on June 27 2008
E:\studyWorkSpace\spring-framework\build-spring-framework>java -version
java version "1.6.0_14"
Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
Java HotSpot(TM) Client VM (build 14.0-b16, mixed mode)