tomcat+mysql数据库的连接池配置

1)下载mm.mysql-2.0.14-bin.jar包，放在tomcat目录下的common/lib文件夹中

2)在tomcat目录下的conf/server.xml中的</Host>前加入(注意:全部大写的地方要替换成你自己的东西)

<!--for mysql database connection pool--><Context path="/APPLICATION_NAME" docBase="APPLICATIOIN_NAME" debug="5" reloadable="true" crossContext="true">  <Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_DBTest_log." suffix=".txt" timestamp="true"/>          <Resource name="jdbc/DATABASE_NAME" auth="Container" type="javax.sql.DataSource"/>           <ResourceParams name="jdbc/DATABASE_NAME">                      <parameter>                               <name>factory</name>                                  <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>                      </parameter>                                   <!-- Class name for mm.mysql JDBC driver -->                     <parameter>                                    <name>driverClassName</name>                                      <value>org.gjt.mm.mysql.Driver</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:mysql://localhost:3306/DATABASE_NAME?autoReconnect=true</value>                   </parameter>                                 <!-- MySQL dB username and password for dB connections  -->                     <parameter>                                  <name>username</name>                                   <value>DB_USERNAME</value>                      </parameter>                      <parameter>                                   <name>password</name>               &