java.lang.ClassNotFoundException: org.apache.commons.collections.FastHashMap

来源：互联网发布：火辣健身软件编辑：程序博客网时间：2024/05/29 15:10

异常如下：

type Exception report

messageServlet execution threw an exception

descriptionThe server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception

root cause

java.lang.NoClassDefFoundError: org/apache/commons/collections/FastHashMaporg.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:959)org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:929)org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:454)cn.itcast.utils.WebUtils.request2bean(WebUtils.java:27)cn.itcast.web.servlet.control.AddCustomerServlet.doGet(AddCustomerServlet.java:27)cn.itcast.web.servlet.control.AddCustomerServlet.doPost(AddCustomerServlet.java:42)javax.servlet.http.HttpServlet.service(HttpServlet.java:647)javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

root cause

java.lang.ClassNotFoundException: org.apache.commons.collections.FastHashMaporg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:959)org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:929)org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:454)cn.itcast.utils.WebUtils.request2bean(WebUtils.java:27)cn.itcast.web.servlet.control.AddCustomerServlet.doGet(AddCustomerServlet.java:27)cn.itcast.web.servlet.control.AddCustomerServlet.doPost(AddCustomerServlet.java:42)javax.servlet.http.HttpServlet.service(HttpServlet.java:647)javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

noteThe full stack trace of the root cause is available in the Apache Tomcat/7.0.42 logs.

在lib目录下加上commons-collections-3.2.1.jar这个包就可以了

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