Resource-Ref is definately 2.3-standard.
Here's a configuration we're running in production. Adapt it to your
needs, should work with TC 5.5 and 6.x:
META-INF/context.xml:
<?xml version='1.0' encoding='utf-8'?>
<Context>
<Resource
auth="Container"
description="somedescr"
name="jdbc/someName"
type="javax.sql.DataSource"
factory="org.apache.commons.dbcp.BasicDataSourceFactory"
driverClassName="com.mysql.jdbc.Driver" <-- your driver here
username="someUser"
password="somePass"
url="jdbc:mysql://db:3306/someDB" <-- your url here
maxIdle="30"
maxWait="10000"
maxActive="10"
validationQuery="SELECT 1"
testOnBorrow="true"
testWhileIdle="true"
timeBetweenEvictionRunsMillis="10000"
minEvictableIdleTimeMillis="28800"
poolPreparedStatements="true"
removeAbandoned="true"
removeAbandonedTimeout="300"
logAbandoned="false"/>
</Context>
You don't habe to specify the DS in your deployment-descriptor (web.xml) at all.
Within your servlet / jsp, your get a handle from the DS as follows:
Context env = (Context) new InitialContext()
.lookup("java:comp/env");
DataSource dbDS = (DataSource) env.lookup(dataSourceName);
HTH
Gregor
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