執行到 這一步的時候 ?，DefaultHttpClient httpClient = new DefaultHttpClient();?

報錯：

Exception in thread "main" sun.misc.InvalidJarIndexException: Invalid index

at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:939)

at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:848)

at sun.misc.URLClassPath.getResource(URLClassPath.java:199)

at java.net.URLClassLoader$1.run(URLClassLoader.java:358)

at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

at java.lang.ClassLoader.loadClass(ClassLoader.java:425)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

at org.apache.http.impl.client.AbstractHttpClient.<init>(AbstractHttpClient.java:187)

at org.apache.http.impl.client.DefaultHttpClient.<init>(DefaultHttpClient.java:146)

at com.minmate.likang.weixin.util.WeiXinUtil.doGetStr(WeiXinUtil.java:49)

at com.minmate.likang.weixin.util.WeiXinUtil.getToken(WeiXinUtil.java:123)

at com.minmate.likang.weixin.util.Test.main(Test.java:16)