HTTP Status 500 - javax.servlet.ServletException: Servlet.init() for servlet dispatcher threw exception

type Exception report

message javax.servlet.ServletException: Servlet.init() for servlet dispatcher threw exception

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

exception

org.apache.jasper.JasperException: javax.servlet.ServletException: Servlet.init() for servlet dispatcher threw exception
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:502)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:412)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
root cause

javax.servlet.ServletException: Servlet.init() for servlet dispatcher threw exception
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:712)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:683)
org.apache.jsp.index_jsp._jspService(index_jsp.java:56)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
root cause

org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.lzw.dao.Dao] for bean with name 'dao' defined in ServletContext resource [/WEB-INF/config/dao-config.xml]; nested exception is java.lang.ClassNotFoundException: com.lzw.dao.Dao
org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:915)
org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:165)
org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:687)
org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:397)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:330)
org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:156)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:308)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:252)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:221)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:115)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:712)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:683)
org.apache.jsp.index_jsp._jspService(index_jsp.java:56)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
root cause

java.lang.ClassNotFoundException: com.lzw.dao.Dao
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
org.springframework.util.ClassUtils.forName(ClassUtils.java:177)
org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:313)
org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:912)
org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:165)
org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:687)
org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:397)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:330)
org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:156)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:308)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:252)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:221)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:115)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:712)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:683)
org.apache.jsp.index_jsp._jspService(index_jsp.java:56)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.43 logs.

Apache Tomcat/6.0.43