请大家帮我检查一下我的连接池配制吧,在线等待,谢谢大家了

ylfzly 2003-09-13 01:38:16

环境:win2003+sqlserver2000+tomcat4.1.24
---------------------------server.xml----------------------------------
<Context path="" docBase="d:\feng" debug="0">

<Resource name="jdbc/SqlServerDB" auth="Container" type="javax.sql.DataSource"/>

<ResourceParams name="jdbc/SqlServerDB">
<parameter>

<name>factory</name>

<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>

</parameter>

<parameter>

<name>driverClassName</name>

<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>

</parameter>

<parameter>

<name>url</name>

<value>jdbc:microsoft:sqlserver://localhost:1433;databaseName=test</value>

</parameter>

<parameter>

<name>username</name>

<value>sa</value>

</parameter>

<parameter>

<name>password</name>

<value>123456</value>

</parameter>

<parameter>

<name>maxActive</name>

<value>20</value>

</parameter>

<parameter>

<name>maxIdle</name>

<value>10</value>

</parameter>

<parameter>

<name>maxWait</name>

<value>-1</value>

</parameter>

</ResourceParams>

</Context>
------------------web.xml--------------------------------------
<resource-ref>
<description>sql
Datasource example</description>
<res-ref-name>jdbc/SqlServerDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
-----------------------------------------------------------------
SQL Server 2000 Driver for JDBC已安装,并把lib下的三个.jar拷到了tomcat里的common下的lib下了
--------------------------测试程序---------------------
<%@ page contentType="text/html;charset=GBK"%>
<%@ page import= "java.sql.* "%>
<%@ page import= "javax.naming.* "%>
<%
try{

Context initCtx = new InitialContext();

Context ctx = (Context) initCtx.lookup("java:comp/env");
//获取连接池对象

Object obj = (Object) ctx.lookup("jdbc/SqlServerDB");

//类型转换

javax.sql.DataSource ds = (javax.sql.DataSource)obj;

Connection conn = ds.getConnection();

Statement stmt = conn.createStatement();

String strSql = "insert into test(id,name) values('00001','holen')
";

stmt.executeUpdate(strSql);

strSql = " select id,name from test ";

ResultSet rs = stmt.executeQuery(strSql);
if(rs.next()){

out.println(rs.getString(1));

out.println(rs.getString(2));

}
}catch(Exception ex){

ex.printStackTrace();
throw new SQLException("cannot
get Connection pool.");
}
%>
<hr>
---------------------------测试代吗----------------------------------
<%@ page contentType="text/html;charset=GBK"%>
<%@ page import= "java.sql.* "%>
<%@ page import= "javax.naming.* "%>
<%
try{

Context initCtx = new InitialContext();

Context ctx = (Context) initCtx.lookup("java:comp/env");
//获取连接池对象

Object obj = (Object) ctx.lookup("jdbc/SqlServerDB");

//类型转换

javax.sql.DataSource ds = (javax.sql.DataSource)obj;

Connection conn = ds.getConnection();

Statement stmt = conn.createStatement();

String strSql = "insert into test(id,name) values('00001','holen')";

stmt.executeUpdate(strSql);

strSql = " select * from test ";

ResultSet rs = stmt.executeQuery(strSql);
if(rs.next()){

out.println(rs.getString(1));

out.println(rs.getString(2));

}
}catch(Exception ex){

ex.printStackTrace();
throw new SQLException("cannot get Connection pool.");
}
%>
<hr>

--------------------出错信息------------------------------
org.apache.jasper.JasperException: cannot get Connection pool.
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain

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