Tomcat伺服器的context.xml檔案中Context元素下增加Resource元素

oracle

<Resource name="jdbc/hrs" auth="Container" type="javax.sql.DataSource"
    maxActive="100" maxIdle="20" maxWait="30000" username="hr" password="hr"
    driverClassName="oracle.jdbc.driver.OracleDriver" url="jdbc:oracle:thin:@localhost:1521:orcl" />

mysql

<Resource name="jdbc/test" auth="Container" type="javax.sql.DataSource"
    maxActive="100" maxIdle="20" maxWait="30000" username="root" password="root"
    driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/test" 
    removeAbandoned="true" removeAbandonedTimeout="30"  />