美国外长:500 Servlet Exception怎么解决？

来源：百度文库 编辑：高校问答 时间：2024/05/03 16:41:01
500 Servlet Exception
java.lang.NoClassDefFoundError
at _includes._folder._html__jsp._jspService(/includes/folder/init.jsp:67)
at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
at com.caucho.jsp.Page.subservice(Page.java:506)
at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:182)
at com.caucho.server.http.Invocation.service(Invocation.java:315)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
at com.caucho.server.http.QRequestDispatcher.forward(QRequestDispatcher.java:223)
at com.caucho.server.http.QRequestDispatcher.forward(QRequestDispatcher.java:103)
at com.caucho.server.http.QRequestDispatcher.forward(QRequestDispatcher.java:80)
at com.verycd.search.folder.DispatcherServlet.doGet(DispatcherServlet.java:32)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
at com.caucho.server.http.Invocation.service(Invocation.java:315)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:253)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:170)
at com.caucho.server.TcpConnection.run(TcpConnection.java:139)
at java.lang.Thread.run(Thread.java:595)

500 Servlet Exception
java.lang.NoClassDefFoundError

状态码500是服务器内部出错，一般由程序错误引起。
NoClassDefFoundError
是说类找不到，一般是由路径问题引起的

500表示的是内部错误（internal error），就是表示Servlet程序本身的错误，比如是被0除之类的。建议在仔细检查一下源代码的逻辑是否正确。

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