配置ant以运行单元测试。图书馆应该在哪里？应该如何配置classpath？避免ZipException

I'm trying to run my junit tests using ant. The tests are kicked off using a JUnit 4 test suite. If I run this direct from Eclipse the tests complete without error. However if I run it from ant then many of the tests fail with this error repeated over and over until the junit task crashes.I'm trying to run my junit tests using ant. The