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: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
	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]Error establishing socket.
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
	org.apache.jsp.testMssql_jsp._jspService(testMssql_jsp.java:99)
	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:332)
	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]Error establishing socket.
	com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
	com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
	com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
	com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source)
	com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source)
	com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown Source)
	com.microsoft.jdbc.base.BaseConnection.open(Unknown Source)
	com.microsoft.jdbc.base.BaseDriver.connect(Unknown Source)
	java.sql.DriverManager.getConnection(Unknown Source)
	java.sql.DriverManager.getConnection(Unknown Source)
	org.apache.jsp.testMssql_jsp._jspService(testMssql_jsp.java:71)
	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:332)
	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)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.16 logs.

代码文件：
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*,java.io.*"%>
<html>
<body>
以下是从Ms sql server数据库读取的数据：<hr>
<table border=1>
<tr><td>id</td><td>书名</td><td>出版社</td><td>价格</td></tr>
<%! String trans(String chi)
{
String result = null;
byte temp [];
try
{
temp=chi.getBytes("iso-8859-1");
result = new String(temp);
}
catch(UnsupportedEncodingException e)
{
System.out.println (e.toString());
}
return result;
}
%>
<%

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
Connection con=java.sql.DriverManager.getConnection("jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=jspdev","sa","");
Statement stmt=con.createStatement();
ResultSet rst=stmt.executeQuery("select * from book;");
while(rst.next())
{
out.println("<tr>");
out.println("<td>"+trans(rst.getString("bookId"))+"</td>");
out.println("<td>"+trans(rst.getString("bookName"))+"</td>");
out.println("<td>"+trans(rst.getString("publisher"))+"</td>");
out.println("<td>"+rst.getFloat("price")+"</td>");
out.println("</tr>");
}
//关闭连接、释放资源
rst.close();
stmt.close();
con.close();
%>
</table>
</body>
</html>

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