Tomcat 
				数据库连接池配置
		
		
				前言
				:
		
		
				
						  1  
				准备
				mysql
				的
				jdbc
				驱动程序
		
		
				
						  2  
				安装
				Tomcat 
				默认全部装在
				D:\Server\tomcat5.0 D:\Server\tomcat5.5 D:\Server\tomcat6.0
		
		
				
						  3  
				以
				TOMCAT_HOME 
				代替个版本的安装目录
		
		
				
						4         
				
				将
				jdbc
				驱动放入
				TOMCAT_HOME\ common\lib\
				下面
		
		
				
						5         
				
				如果是其他数据库的话,就是换一下
				jdbc
				驱动以及各种参数就可以了的
		
		
				
						6         
				
				配置
				tomcat
				数据源时的各种参数的详细介绍
		
		
				
						7         
				
				其他设置。
		
		
				
						1.       
				
				Tomcat 4.0
		
		
				待添加
		
		
				
						2.       
				
				Tomcat 5.0
		
		
				
						2.1    
				
				建一个虚拟目录
				test  (TOMCAT_HOME\webapps\)
		
		
				
						  
				
				可以通过
				
						
								http://localhost:8080/test
						
				
				访问你的网站了
		
		
				
						2.2    
				
				配置
				Context (
				在
				TOMCAT_HOME\conf\Catalina\localhost\
				下
				建
				test.xm,)
		
		
				test.xml:
		
		
				<?xml version="1.0" encoding="utf-8"?>
		
		
				<Context docBase="dbpool" path="/test" workDir="work\Catalina\localhost\test">
		
		
				</Context>
		
		
				
						2.3    
				
				配置
				server.xml
		
		
				server.xml  
				的内容
				: 
				红色表示加入的
				(
				或者通过
				
						http://localhost:8080/admin
				
				进行可视化配置
				)
		
		
				<?xml version='1.0' encoding='utf-8'?>
		
		
				<Server>
		
		
				
						  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
		
		
				
						  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
		
		
				
						  <GlobalNamingResources>
		
		
				
						    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
		
		
				
						    <Resource auth="Container" description="User database that can be updated and saved" name="UserDatabase" type="org.apache.catalina.UserDatabase"/>
		
		
				
						   
						
								 <Resource auth="Container" name="jdbc/mysql" type="javax.sql.DataSource"/>
				
		
		
				
						    <ResourceParams name="UserDatabase">
		
		
				
						      <parameter>
		
		
				
						        <name>factory</name>
		
		
				
						        <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
		
		
				
						      </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>pathname</name>
		
		
				
						        <value>conf/tomcat-users.xml</value>
		
		
				
						      </parameter>
		
		
				
						    </ResourceParams>
		
		
				
						   
						
								 <ResourceParams name="jdbc/mysql">
				
		
		
				
						      <parameter>
		
		
				
						        <name>maxWait</name>
		
		
				
						        <value>5000</value>
		
		
				
						      </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>maxActive</name>
		
		
				
						        <value>4</value>
		
		
				
						     
						 </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>password</name>
		
		
				
						        <value>198395</value>
		
		
				
						      </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>url</name>
		
		
				
						        <value>jdbc:mysql://localhost:3306/study?autoReconnect=true</value>
		
		
				
						      </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>driverClassName</name>
		
		
				
						        <value>com.mysql.jdbc.Driver</value>
		
		
				
						      </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>maxIdle</name>
		
		
				
						        
				
				<value>2</value>
		
		
				
						      </parameter>
		
		
				
						      <parameter>
		
		
				
						        <name>username</name>
		
		
				
						     
						   <value>sa</value>
		
		
				
						      </parameter>
		
		
				
						    </ResourceParams>
		
		
				
						  </GlobalNamingResources>
		
		
				
						  <Service name="Catalina">
		
		
				
						    <Connector acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" port="8080" redirectPort="8443" maxSpareThreads="75" maxThreads="150" minSpareThreads="25">
		
		
				
						    </Connector>
		
		
				
						    <Connector port="8009" protocol="AJP/1.3" protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler" redirectPort="8443">
		
		
				
						    </Connector>
		
		
				
						    <Engine defaultHost="localhost" name="Catalina">
		
		
				
						      <Host appBase="webapps" name="localhost">
		
		
				
						        <Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_log." suffix=".txt" timestamp="true"/>
		
		
				
						      </Host>
		
		
				
						      <Logger className="org.apache.catalina.logger.FileLogger" prefix="catalina_log." suffix=".txt" timestamp="true"/>
		
		
				
						      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
		
		
				
						    
				
				</Engine>
		
		
				
						  </Service>
		
		
				</Server>
		
		
				
						 
				
		
		
				
						 
				
		
		
				
						2.4    
				
				配置
				虚拟目录命名的
				test.xml
		
		
				test.xml:
				红色表示加入的
				
						
						
				
		
		
				<?xml version='1.0' encoding='utf-8'?>
		
		
				<Context docBase="testds" path="/testds" workDir="work\Catalina\localhost\testds">
		
		
				<Resource name="jdbc/mysql" type="javax.sql.DataSource"/>
		
		
				<ResourceParams name="jdbc/mysql">
		
		
				<parameter>
		
		
				<name>maxWait</name>
		
		
				<value>5000</value>
		
		
				</parameter>
		
		
				<parameter>
		
		
				<name>maxActive</name>
		
		
				<value>4</value>
		
		
				</parameter>
		
		
				<parameter>
		
		
				<name>url</name>
		
		
				<value>jdbc:mysql://127.0.0.1:3306/study?useUnicode=true</value>
		
		
				</parameter>
		
		
				<parameter>
		
		
				<name>driverClassName</name>
		
		
				<value>org.gjt.mm.mysql.Driver</value>
		
		
				</parameter>
		
		
				<parameter>
		
		
				<name>maxIdle</name>
		
		
				<value>2</value>
		
		
				</parameter>
		
		
				<parameter>
		
		
				<name>username</name>
		
		
				<value>sa</value>
		
		
				</parameter>
		
		
				<parameter>
		
		
				<name>password</name>
		
		
				<value>198395</value>
		
		
				</parameter>
		
		
				</ResourceParams>
		
		
				</Context>
		
		
				配置完毕
		
		
				
						 
				
		
		
				
						3.       
				
				Tomcat 5.5
		
		
				
						3.1    
				
				建虚拟目录
				test(
				在
				TOMCAT_HOME/webapp 
				或者其地方
				)
		
		
				
						  
				
				可以通过
				
						
								http://localhost:8080/test
						
				
				访问你的网站了
		
		
				
						3.2    
				
				配置
				server..xml(
				或者可以通过
				
						http://localhost:8080/admin
				
				来可视化界面来完成
				)
		
		
				server.xml 
				内容
				
				
				红色是加入的内容
				
						
						
				
		
		
				<?xml version="1.0" encoding="UTF-8"?>
		
		
				<Server>
		
		
				
						  <Listener className="org.apache.catalina.core.AprLifecycleListener"/>
		
		
				
						  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
		
		
				
						  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>
		
		
				
						  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
		
		
				
						  <GlobalNamingResources>
		
		
				
						    <Environment
		
		
				
						      name="simpleValue"
		
		
				
						      type="java.lang.Integer"
		
		
				
						      value="30"/>
		
		
				
						    <Resource
		
		
				
						      auth="Container"
		
		
				
						      description="User database that can be updated and saved"
		
		
				
						      name="UserDatabase"
		
		
				
						      type="org.apache.catalina.UserDatabase"
		
		
				
						      pathname="conf/tomcat-users.xml"
		
		
				
						      factory="org.apache.catalina.users.MemoryUserDatabaseFactory"/>
		
		
				
						   
						
								 <Resource
				
		
		
				
						      name="jdbc/mysql"
		
		
				
						      type="javax.sql.DataSource"
		
		
				
						      password="198395"
		
		
				
						      driverClassName="com.mysql.jdbc.Driver"
		
		
				
						      maxIdle="2"
		
		
				
						      maxWait="5000"
		
		
				
						      username="sa"
		
		
				
						  
						    url="jdbc:mysql://localhost:3306/study?autoReconnect=true"
		
		
				
						      maxActive="4"/>
				
						
						
				
		
		
				
						  </GlobalNamingResources>
		
		
				
						  <Service
		
		
				
						      name="Catalina">
		
		
				
						    <Connector
		
		
				
						        port="8080"
		
		
				
						        redirectPort="8443"
		
		
				
						        minSpareThreads="25"
		
		
				
						        connectionTimeout="20000"
		
		
				
						        maxSpareThreads="75"
		
		
				
						        maxThreads="150">
		
		
				
						    </Connector>
		
		
				
						    <Connector
		
		
				
						        port="8009"
		
		
				
						        redirectPort="8443"
		
		
				
						        protocol="AJP/1.3">
		
		
				
						    </Connector>
		
		
				
						    <Engine
		
		
				
						        defaultHost="localhost"
		
		
				
						        name="Catalina">
		
		
				
						      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
		
		
				
						      <Host
		
		
				
						          appBase="webapps"
		
		
				
						          name="localhost">
		
		
				
						      
				
				</Host>
		
		
				
						    </Engine>
		
		
				
						  </Service>
		
		
				</Server>
		
		
				
						 
				
		
		
				
						3.3    
				
				配置
				Context (
				在
				TOMCAT_HOME\conf\Catalina\localhost\
				下
				建
				test.xml 
				与项目名字一样
				)
		
		
				
						  test.xml  
				红色表示新加入的
		
		
				<?xml version="1.0" encoding="UTF-8"?>
		
		
				<Context path="/test" docBase="test" reloadable="true" crossContext="true" debug="0" >
		
		
				<Resource name="jdbc/mysql" auth="Container" type="javax.sql.DataSource" maxActive="100" maxIdle="30" maxWait="10000" username="sa" password="198395" driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/study?useUnicode=true"/>
		
		
				</Context>
		
		
				
						4.       
				
				Tomcat 6.0
		
		
				
						 
				
		
		
				
						5.       
				
				测试用例
		
		
				
						 
				
		
		
				
						 
				
		
		
				DatasourceCon.jsp
		
		
				<%@ page language="java" pageEncoding="utf-8"%>
		
		
				<%@ page import="java.sql.*"%>
		
		
				<%@ page import="javax.sql.*"%>
		
		
				<%@ page import="javax.naming.*"%>
		
		
				<html>
				
						
						
				
		
		
				<head>
		
		
				<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
		
		
				<title>Test of Tomcat  connection pool</title>
		
		
				</head>
		
		
				<body>
		
		
				<%
		
		
				out.print("strat test connection pool!<br/>");
		
		
				try{
		
		
				
						 Context initCtx = new InitialContext();
		
		
				
						 Context ctx = (Context) initCtx.lookup("java:comp/env");
		
		
				
						 Object obj = (Object) ctx.lookup("jdbc/mysql");
		
		
				
						 DataSource ds = (javax.sql.DataSource)obj;
		
		
				
						 Connection conn = ds.getConnection();
		
		
				
						 out.print("tomcat mysql connection pool runs perfectly!");
		
		
				
						 conn.close();
		
		
				}
		
		
				catch(Exception ex){
		
		
				
						 out.print(ex.getMessage());
		
		
				
						 ex.printStackTrace();
		
		
				}
		
		
				%>
		
		
				</body>
		
		
				</html>
		
		
				
						6.       
				
				总结
		
		
				好长时间没有写这个了,最近因为项目的需要,根据以前配置过的,现在重新配置一下,然后写成详细文档!