我在黑马上下的关于网上书店源码，只把src和webroot复制到myeclipse中，不过数据没有完全复制，因为有报错，运行之后可以进入首页和浏览图书，但是注册出现如下错误：HTTP Status 500 -

type Exception report

message

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

exception

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
        cn.itcast.servlet.BaseServlet.service(BaseServlet.java:60)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)
root cause

java.lang.reflect.InvocationTargetException
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        java.lang.reflect.Method.invoke(Method.java:597)
        cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)
root cause

java.lang.RuntimeException: javax.mail.AuthenticationFailedException: failed to connect
        cn.itcast.goods.user.service.UserService.regist(UserService.java:169)
        cn.itcast.goods.user.web.servlet.UserServlet.regist(UserServlet.java:134)
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        java.lang.reflect.Method.invoke(Method.java:597)
        cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)
root cause

javax.mail.AuthenticationFailedException: failed to connect
        javax.mail.Service.connect(Service.java:322)
        javax.mail.Service.connect(Service.java:172)
        javax.mail.Service.connect(Service.java:121)
        javax.mail.Transport.send0(Transport.java:190)
        javax.mail.Transport.send(Transport.java:120)
        cn.itcast.mail.MailUtils.send(MailUtils.java:91)
        cn.itcast.goods.user.service.UserService.regist(UserService.java:167)
        cn.itcast.goods.user.web.servlet.UserServlet.regist(UserServlet.java:134)
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        java.lang.reflect.Method.invoke(Method.java:597)
        cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        cn.itcast.filter.EncodingFilter.doFilter(EncodingFilter.java:30)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.13 logs.
求高手解决

数据库没有完全复制

网页显示HTTP Status 500 -错误