请问tomcat 配置的问题，谢了！_Java Web开发

请问tomcat 配置的问题，谢了！

我测试一个程序出现了这个提示：
程序是
　<html><body><center>
　　Now time is: <%=new java.util.Date()%>
　　</center></body></html>
问题是：

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
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:565)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:296)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

java.io.UTFDataFormatException: Invalid byte 1 of 1-byte UTF-8 sequence.
	org.apache.jasper.xmlparser.UTF8Reader.invalidByte(UTF8Reader.java:620)
	org.apache.jasper.xmlparser.UTF8Reader.read(UTF8Reader.java:491)
	org.apache.jasper.xmlparser.XMLEncodingDetector.load(XMLEncodingDetector.java:999)
	org.apache.jasper.xmlparser.XMLEncodingDetector.skipString(XMLEncodingDetector.java:950)
	org.apache.jasper.xmlparser.XMLEncodingDetector.scanXMLDecl(XMLEncodingDetector.java:1208)
	org.apache.jasper.xmlparser.XMLEncodingDetector.getEncoding(XMLEncodingDetector.java:120)
	org.apache.jasper.xmlparser.XMLEncodingDetector.getEncoding(XMLEncodingDetector.java:108)
	org.apache.jasper.compiler.ParserController.determineSyntaxAndEncoding(ParserController.java:304)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:169)
	org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:146)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:296)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.4 logs.

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----------------解决方案--------------------------------------------------------
jsp是需要导入包的……看情况你是没有import进来……
就是你要用Date类就要import java.util.Date包。
----------------解决方案--------------------------------------------------------
恩。对。就是。谢谢。
----------------解决方案--------------------------------------------------------