哥们都帮忙看看,我这个代码为什么会有异常:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/collections/FastHashMap
at org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:959)
at org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1254)
at org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:790)
at org.apache.commons.beanutils.BeanUtilsBean.getNestedProperty(BeanUtilsBean.java:709)
at org.apache.commons.beanutils.BeanUtilsBean.getProperty(BeanUtilsBean.java:735)
at org.apache.commons.beanutils.BeanUtils.getProperty(BeanUtils.java:380)
at com.xy.test.InputSpectorTest.main(InputSpectorTest.java:66)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections.FastHashMap
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 7 more 作者: 榨菜 时间: 2014-5-1 18:51
你的包有导入吗?总共要导入两个包,一个日志包,一个BeanUtils包作者: eternallove 时间: 2014-5-1 19:18