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JSP頁面500錯誤

<%@ page language="java" import="java.util.*"contentType="text/html; charset=utf-8"%>

<!DOCTYPE html>

<html>

<head>

<title>Insert title here</title>

</head>

<body>

<%!

//返回九九乘法表對應(yīng)的HTML代碼，通過表達(dá)式來調(diào)用，在頁面上顯示

String printMultiTable1()

{

String s="";

for(int i=1;i<=9;i++)

{

for(int j=1;j<=i;j++)

{

s+=i+"*"+j+"="+(i*j)+"    ";

}

s+="<br>";//追加換行標(biāo)簽

}

return s;

}

//JSP內(nèi)置對象out對象，使用腳本方式調(diào)用，打印九九乘法表

void printMultiTable2(JspWriter out) throws Exception

{

for(int i=1;i<=9;i++)

{

for(int j=1;j<=i;j++)

{

out.println(i+"*"+j+"="+(i*j)+"    ");

}

out.println("<br>");//追加換行標(biāo)簽

}

%>

<h1>九九乘法表</h1>

<hr>

<%=printMultiTable1() %>

<br>

<% printMultiTable2(out);%>

</body>

</html>

錯誤頁面

HTTP Status 500 – Internal Server Error

Type Exception Report

Message /exercise.jsp (line: 1, column: 84) The JSP specification requires that an attribute name is preceded by whitespace

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException:?/exercise.jsp?(line:?1,?column:?84)?The?JSP?specification?requires?that?an?attribute?name?is?preceded?by?whitespace
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:89)
	org.apache.jasper.compiler.Parser.parseAttributes(Parser.java:164)
	org.apache.jasper.compiler.Parser.parseAttributes(Parser.java:183)
	org.apache.jasper.compiler.ParserController.getPageEncodingForJspSyntax(ParserController.java:479)
	org.apache.jasper.compiler.ParserController.determineSyntaxAndEncoding(ParserController.java:420)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:190)
	org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:119)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:194)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:364)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Note The full stack trace of the root cause is available in the server logs.