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<%-- ************** TestIso.jsp ***************** --%>
<%@
    page contentType="text/html; charset=ISO8859_1"
         import="myutil.Conv" %>
<%
String s="張三A3";
out.println("<PRE>String s   ： " + s + "<BR>");
out.println("ISO-8859-1 ： " + Conv.toHexString( s ));
%>

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package myutil;
import java.io.*;
public class Conv
  {
  public static String toHexString(String s)
    {
    String str="";
    for (int i=0; i<s.length(); i++)
      {
      int ch=(int)s.charAt( i );
      str=str+Integer.toHexString(ch)+" ";
      }
    return str;
    }
  }

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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: 4 in the jsp file: /TestIso.jsp
 
Generated servlet error:
    [javac] Compiling 1 source file
 
C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\howjsp\TestIso_jsp.java:7: package myutil does not exist
import myutil.Conv;
              ^
C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\howjsp\TestIso_jsp.java:47: cannot resolve symbol
symbol  : variable Conv 
location: class org.apache.jsp.TestIso_jsp
out.println("ISO-8859-1 癒G " + Conv.toHexString( s ));
                               ^
2 errors
 
  at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:130)
  at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:293)
  at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:353)
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:370)
  at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:473)
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
  at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
  at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
  at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
  at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
  at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
  at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2416)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
  at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
  at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
  at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
  at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
  at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
  at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
  at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
  at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
  at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
  at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:601)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
  at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
  at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
  at java.lang.Thread.run(Thread.java:536)