Question

http status 500 tomcat,tomcat测试页面没有问题。但是打开自己的JSP页面就出问题了。

HTTP Status 500 -

type Exception report

message

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

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

An error occurred at line: 1 in the generated java file
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files

Stacktrace:
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:331)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:469)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:378)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

note The full stack trace of the root cause is available in the
Apache Tomcat/7.0.27 logs.

Apache Tomcat/7.0.27

Answer 1

这就你的代码问题，考虑下服务器打页面跟自己打开页面有什么区别。

追问

不是同样的代码第一次运行没有错误，等我第二天开机所有的代码都不能运行了，没有一点改动。

追答

org.apache.jasper.JasperException: Unable to compile class for JSP: 无法编译你的java类，org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102)，这里出错了javacError（javac错误）无法通过java编译器。