求救JSP错误

type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
    [javac] Compiling 1 source fileC:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:121: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 urlAn error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
String url="jdbc:oracle:thin:@localhost:1521:blog"; 
       ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:125: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 user
String user="system"; 
       ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:127: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 password
String password="system "; 
       ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:129: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 conn
Connection conn= DriverManager.getConnection(url,user,password); 
           ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:131: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 stmt
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); 
          ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:132: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 stmt1
Statement stmt1=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); 
          ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:133: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 stmt2
Statement stmt2=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); 
          ^An error occurred at line: 5 in the jsp file: /conn.jspGenerated servlet error:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java:135: 已在 _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 中定义 boardid
String boardid;
       ^
注意：C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java 使用或覆盖了已过时的 API。
注意：要了解详细信息，请使用 -Xlint:deprecation 重新编译。
注意：C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\blog9\org\apache\jsp\default_jsp.java 使用了未经检查或不安全的操作。
注意：要了解详细信息，请使用 -Xlint:unchecked 重新编译。
8 错误
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:127)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:351)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:415)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:458)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:552)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:291)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
note The full stack trace of the root cause is available in the Tomcat logs.这是哪出错引起的错误呀，高手帮帮忙！谢谢了~

解决方案 »

  1.   

    重复引用了conn.jsp？或者有交叉引用？
      

  2.   

    <%@ page contentType="text/html;charset=UTF-8"%> <%@ page language="Java" import="java.sql.*"%> <%Class.forName("oracle.jdbc.driver.OracleDriver").newInstance(); String url="jdbc:oracle:thin:@localhost:1521:blog"; //orcl为你的数据库的SID String user="system"; String password="system "; Connection conn= DriverManager.getConnection(url,user,password); Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); 
    Statement stmt1=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); 
    Statement stmt2=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); 
    request.setCharacterEncoding("UTF-8");
    String boardid;
    %>