1. 没有找到类的异常(NoClassDefFoundError) 异常如下: Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/base/Function at com.yy.baidu.testBaidu.main(testBaidu.java:12) Caused by: java.lang.ClassNotFoundException: com.google.common.base.Function at java.net.URLClassLoader$1.run(Un