JSP连接SQL的问题,虽然是老生常谈,但是以前的相关解决方法都试了,还是没成功,不知如何是好!

guoclp 2007-04-10 09:41:44

程序:test.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<%@ page import="com.microsoft.jdbc.sqlserver.SQLServerDriver" %>
<html>
<body>
<%Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1305;DatabaseName=test";
//pubs为你的数据库的
String user="sa";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为：<%=rs.getString(1)%>
您的第二个字段内容为：<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功，恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>

浏览后的出错提示:
type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /test.jsp at line 11

8: //pubs为你的数据库的
9: String user="sa";
10: String password="";
11: Connection conn= DriverManager.getConnection(url,user,password);
12: Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
13: String sql="select * from test";
14: ResultSet rs=stmt.executeQuery(sql);

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:515)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:408)
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

javax.servlet.ServletException: java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:855)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:784)
org.apache.jsp.test_jsp._jspService(test_jsp.java:103)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
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.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(DriverManager.java:525)
java.sql.DriverManager.getConnection(DriverManager.java:171)
org.apache.jsp.test_jsp._jspService(test_jsp.java:65)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
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.

JDK目录:C:\Java\jdk1.5
Tomcat目录:D:\Tomcat 6.0

环境变量设置:
CLASSPATH:
.;%CLASSPATH%;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\jre\javaws\i18n.jar;%JAVA_HOME%\jre\javaws\jaws.jar;%JAVA_HOME%\jre\lib\rt.jar;%JAVA_HOME%\jre\lib\sunsasign.jar
JAVA_HOME:
C:\Java\jdk1.5
path:
.;%JAVA_HOME%\jre\bin;%JAVA_HOME%\bin;

我已把C:\Program Files\Microsoft SQL Server 2000 Driver for JDBC\lib目录下的三个jar文件拷到了D:\Tomcat 6.0\lib目录下,真不知是哪里出了问题,向各位请教了!

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guoclp 2007-04-11

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原来是我没装补丁导致的错误,我一口气装了SQL的SP3和SP4后,发现问题真的解决了,真的太感谢流浪的猴子了!感谢所有帮忙的朋友!我要结贴给分了!以后有问题,希望大家多多帮忙!

guoclp 2007-04-11

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我已把我的数据库的端口改成了1305的,我去试试看该端品是否开启先,谢谢!
不知在环境变量中是否有问题,我总觉得像是这里出了问题.

真的很小奚 2007-04-11

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Error establishing socket错误
首先你先检查你数据库是否使用你的1305端口（默认是1433的）防火墙是否屏蔽1305端口
如果都没有问题进CMD 使用NETSTAT -AN检查1305端口是否开启没有的话需要打MS SQL SERVER的SP3 OR SP4 补丁。。。。。。。。。。

guoclp 2007-04-10

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rainv:
数据库是SQLServer 2000,帐号和密码都确定没问题了。我用ODBC添加数据源的方式,是能够用JSP访问数据库的，只是用这种方法就不行，这种方法应该是不用在控制面版添加数据源的吧？不知问题出在哪里，这几天一直困扰着我！

rainv 2007-04-10

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不好意思,Tomcat 6.0 可以用 JRE 5.0的.
http://apache.mirrors.tds.net/tomcat/tomcat-6/v6.0.10/README.html
1.数据库url对吗
2.数据库打开了吗?
３．帐号密码对吗？
4。是SQLServer 2000吧？

rainv 2007-04-10

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又不是包找不到....关键是这个
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.

tomcat 6以上的好象要用JDK1.6版本的.把tomcat换为5.X.X的吧

guoclp 2007-04-10