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: 37 in the jsp file: /cart.jsp
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files
34:
Stacktrace:
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.35 logs.
Apache Tomcat/6.0.35
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files
缺少jar包或者编译好的类。
不能编译这个jsp文件，在cart.jsp的37行。应该这里除了什么错了，jsp编译都没通过
就这点代码 啥也看不出来
Unable to compile class for JSP 应该是程序出了编译错误 请仔细检查java代码部分（比如 括号、拼写啥的）
你是不是在页面上面写了代码，包含MAP对象的，把页面贴出来看看就知道了
应该是打开某个页面的时候报的错， 后台程序有错。而且是直接报的明显的错，检查一下。