数据连接池的一个小问题。在线等！！！！多谢！！！

代码如下: 
<%@ page contentType="text/html; charset=gb2312" %>
 <%@ page import="javax.naming.*" %>
 <%@ page import="javax.sql.*" %>
 <%@ page import="java.sql.*" %>
<html>
<body>
<%Context ctx=null;
Connection conn=null;
ctx=new InitialContext();
DataSource ds=(DataSource)ctx.lookup("java:comp/env/jdbc/quickstart");
conn=ds.getConnection();
Statement stmt=conn.createStatement();
String sql="select * from user";
ResultSet rs=stmt.executeQuery(sql);
    while(rs.next())
{
out.println("rs.getString(1)");
}%>
</body></html>错误提示如下：description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Exception in JSP: /test.jsp:1411:  conn=ds.getConnection();
12:  Statement stmt=conn.createStatement();
13:  String sql="Select * from user";
14:  ResultSet rs=stmt.executeQuery(sql);
15:     while(rs.next())
16:  {
17:  out.println("rs.getString(1)");
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:506)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause javax.servlet.ServletException: [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]在关键字 'user' 附近有语法错误。
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:843)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:776)
org.apache.jsp.test_jsp._jspService(test_jsp.java:72)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]在关键字 'user' 附近有语法错误。
com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
com.microsoft.jdbc.sqlserver.tds.TDSRequest.processErrorToken(Unknown Source)
com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReplyToken(Unknown Source)
com.microsoft.jdbc.sqlserver.tds.TDSExecuteRequest.processReplyToken(Unknown Source)
com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReply(Unknown Source)
com.microsoft.jdbc.sqlserver.SQLServerImplStatement.getNextResultType(Unknown Source)
com.microsoft.jdbc.base.BaseStatement.commonTransitionToState(Unknown Source)
com.microsoft.jdbc.base.BaseStatement.postImplExecute(Unknown Source)
com.microsoft.jdbc.base.BaseStatement.commonExecute(Unknown Source)
com.microsoft.jdbc.base.BaseStatement.executeQueryInternal(Unknown Source)
com.microsoft.jdbc.base.BaseStatement.executeQuery(Unknown Source)
org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:205)
org.apache.jsp.test_jsp._jspService(test_jsp.java:58)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
多谢！！！！！！！！！！！！！！！！！！！！！