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jsp与数据库连接有关问题

发布时间: 2013-09-11 18:34:25 作者: rapoo

jsp与数据库连接问题
指点下 这是什么原因造成的阿 总是没法编译类
运行环境是:
win2003r2企业版
sqlserver2000 sp4
tomcat6
jdk6

测试能telnet 1433 网页能连接数据库

出错信息如下

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
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:574)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


root cause

java.io.UTFDataFormatException: Invalid byte 1 of 1-byte UTF-8 sequence.
org.apache.jasper.xmlparser.UTF8Reader.invalidByte(UTF8Reader.java:621)
org.apache.jasper.xmlparser.UTF8Reader.read(UTF8Reader.java:492)
org.apache.jasper.xmlparser.XMLEncodingDetector.load(XMLEncodingDetector.java:1007)
org.apache.jasper.xmlparser.XMLEncodingDetector.skipString(XMLEncodingDetector.java:958)
org.apache.jasper.xmlparser.XMLEncodingDetector.scanXMLDecl(XMLEncodingDetector.java:1216)
org.apache.jasper.xmlparser.XMLEncodingDetector.getEncoding(XMLEncodingDetector.java:122)
org.apache.jasper.xmlparser.XMLEncodingDetector.getEncoding(XMLEncodingDetector.java:110)
org.apache.jasper.compiler.ParserController.determineSyntaxAndEncoding(ParserController.java:308)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:172)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:167)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.10 logs.


--------------------------------------------

Apache Tomcat/6.0.10


源代码如下

   <%@ page import= "java.lang.*, java.io.*, java.sql.*, java.util.* " contentType= "text/html;charset=gb2312 " %>
   <html>
   <body>
   <% Class.forName( "com.microsoft.jdbc.sqlserver.SQLServerDriver ").newInstance();
   String url= "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=pubs ";
    String user= "sa ";
   String password= "sa ";
   Connection conn= DriverManager.getConnection(url,user,password);
   Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
   String sql= "select job_id,job_desc from jobs ";


   ResultSet rs=stmt.executeQuery(sql);
   while(rs.next()) { %>
    第一个字段内容为: <%=rs.getString(1)%> <br>
    第二个字段内容为: <%=rs.getString(2)%> <br>
   <% } %>
   <% out.print( "数据库操作成功 "); %>
   <% rs.close();
   stmt.close();
   conn.close();
  %>
   </body>


请指教下 谢谢了,不知道这段小程序错在什么地方了,请大家一并指出

[解决办法]
看上去好像你用了全角的空格在第一行……sigh

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