External Web Module in Eclipse EE Helios

When I try to add an external web module into Tomcat, I observe the server.x开发者_如何学Pythonml under workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/conf has been added

<Context docBase="C:\App1" path="/App1" reloadable="true"/>

However, all the settings (Resource) under META-INF/context.xml do not take effect, thus I can't connect to my database. I have to explicitly add resource settings under the server.xml.

<Context docBase="C:\App1" path="/App1" reloadable="true">
<Resource name="jdbc/mysql" auth="Container"
        factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"
        type="javax.sql.DataSource" driverClassName="com.mysql.jdbc.Driver"
...
</Context>

Does anyone face the same issue?

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The resource context is added automatically in Eclipse Indigo (3.7) after I upgraded my Eclipse version.