我用eclipse来写的但是一直有错

Question

org.apache.jasper.JasperException: Unable to compile class for JSP:  

An error occurred at line: 1 in the generated java file

The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files

Stacktrace:

at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)

at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)

at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)

at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589)

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)

at java.lang.Thread.run(Unknown Source)

Answer 1

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Answer 2

好像线程有问题

Answer 3

这些代码果然好厉害 学了半个月了的我 尽然一句也看不懂

Answer 4

你只发错误，不发代码，鬼知道怎么跟你修改