请大家检查下我的tomcat连接池配制,谢谢大家了

ylfzly 2003-09-12 08:56:16
环境:tomcat4.1.24+sqlserver2000
server.xml:
------------------------------------------------
<Context path="" docBase="d:\feng" debug="0">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_DBTest_log." suffix=".txt"
timestamp="true"/>

<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>

<!-- Maximum number of dB connections in pool. Make sure you
configure your mysqld max_connections large enough to handle
all of your db connections. Set to 0 for no limit.
-->
<parameter>
<name>maxActive</name>
<value>100</value>
</parameter>

<!-- Maximum number of idle dB connections to retain in pool.
Set to 0 for no limit.
-->
<parameter>
<name>maxIdle</name>
<value>30</value>
</parameter>

<!-- Maximum time to wait for a dB connection to become available
in ms, in this example 10 seconds. An Exception is thrown if
this timeout is exceeded. Set to -1 to wait indefinitely.
-->
<parameter>
<name>maxWait</name>
<value>10000</value>
</parameter>
<!-- msSQL dB username and password for dB connections -->
<parameter>
<name>username</name>
<value>sa</value>
</parameter>
<parameter>
<name>password</name>
<value>123456</value>
</parameter>
<!-- Class name for mm.mysql JDBC driver -->
<parameter>
<name>driverClassName</name>
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
</parameter>
<!-- The JDBC connection url for connecting to your MySQL dB.
The autoReconnect=true argument to the url makes sure that the
mm.mysql JDBC Driver will automatically reconnect if mysqld closed the
connection. mysqld by default closes idle connections after 8 hours.
-->
<parameter>
<name>url</name>
<value>jdbc:microsoft:sqlserver://localhost:1433;databaseName=test</value> <!--must use & not use & -->
</parameter>
</ResourceParams>
</Context>
--------------------web.xml--------------------
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jjdbc/SqlServerDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
----------------------------------------------sqlserver的驱动已安装,并将其下的三个.jar拷到commm/lib下
------------测试例子-------------
<%@ 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('007','hello,中!') ";

stmt.executeUpdate(strSql);
strSql = " select id,name from test ";
ResultSet rs = stmt.executeQuery(strSql);
while(rs.next()){
out.println(rs.getString(1));
out.println(rs.getString(2)+"<BR>");
}
conn.close();
}catch(Exception ex){
ex.printStackTrace();
throw new SQLException("cannot get Connection pool.");
}
%>
<hr>
-----测试错误如下:org.apache.jasper.JasperException: cannot get Connection pool.
at org.apache.jasper.servlet.JspServletWrapper.service
........................
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kingAuthority 2004-02-24
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up
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这个问题我遇到过
sql server 2000在安装过程中一定要选择混合模式验证,不然是不成功的,可以修改注册表或重新安装sql server2000来解决这个问题
duan123 2004-02-16
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就是这样
fuzhan820 2004-02-14
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up
一大梨 2004-02-10
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