<context
       docBase="C:/eclipse/workspace/myweb/hello"
        path="/hello"
         reloadable="true"
<resource name="jdbc/mysql" auth="Container" type="javax.sql.DataSource"
	maxActive="100" maxIdle="30" maxWait="10000"
	driverClassName="com.mysql.jdbc.Driver"
	username="root" password="123456"
	url="jdbc:mysql://localhost/testmysql"
	defaultAutoCommit="true" removeAbondoned="true"
	removeAbondonedTimeout="60" logAbondoned="true"/>
</context>

	<resource-ref>
		<res-ref-name>jdb/mysql</res-ref-name>
		<res-type>javax.sql.DataSource</res-type>
		<res-auth>Container</res-auth>
	</resource-ref>