Closed xiaqingweb closed 7 years ago
你好,是不是JOptionPane弹出框没有点确定?或者,断点调试下 @xiaqingweb
我点击链接的时候出现500错误
点击链接出现500错误的具体报错信息贴下 @kevinblue
HTTP Status 500 - Error instantiating servlet class test.ReadExcelServlet type Exception report message Error instantiating servlet class test.ReadExcelServlet
description The server encountered an internal error that prevented it from fulfilling this request. exception javax.servlet.ServletException: Error instantiating servlet class test.ReadExcelServlet org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Unknown Source) root cause
我启动后点击超链接就报这种错误
有没有类似java.lang.ClassNotFoundException这样的异常?可以从配置web.xml,项目代码结构着手调试;或者参考最新代码
最新代码在哪里,还有build文件夹 在webcontent上面,我移动到下面的时候,上面还是删除不掉
都是classnot found exception
你最新的代码在哪里?还有下载下来的额时候,缺少了httpservlet的包,我自己在网上找了一个包,javax.serlvet.jar包,也不知道是不是最初的要的包
thank you
You're welcome
如题。一直转圈,没有异常