jsp页面展示MySQL表数据时出现问题！

Question

HTTP Status 500 - Unable to compile class for JSP:

---

type Exception report

message Unable to compile class for JSP:

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: 13 in the jsp file: /index.jsp
goodsVO cannot be resolved to a type
10:

商品展示
11:
12: <%
13: List lists = (List) request.getAttribute("lists");
14: %>
15:
16:

An error occurred at line: 13 in the jsp file: /index.jsp
goodsVO cannot be resolved to a type
10:

商品展示
11:
12: <%
13: List lists = (List) request.getAttribute("lists");
14: %>
15:
16:

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:468)
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:728)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.35 logs.

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Apache Tomcat/7.0.35

Answer 1

你要看一下从后台传送来的数据类型是否是list类型；
你试一下用ArrayList定义。