I finally got a JDNI connection pool working, at least with Java, and presumably Groovy will work too with the same code. The main problem was that the documented Tomcat convention of using a context file at WEB_INF/context.xml wasn't working, and so the connection details weren't being read. I finally solved this by putting the Resource details into xwiki.xml instead. In case it's of any help to others I've added the details to http://extensions.xwiki.org/xwiki/bin/view/Extension/Execute+SQL#HUsingaJND… Regards, Bryn ________________________________________ From: Bryn Jeffries [bryn.jeffries(a)sydney.edu.au] Sent: 23 December 2014 14:31 To: users(a)xwiki.org Subject: [xwiki-users] Using a JDNI DataSource for connection pooling I've been exploring connection pooling for an external database, but I'm struggling to use it. I'm running XWiki 6.3 on a Ubuntu server. In /etc/xwiki/context.xml I have <?xml version="1.0" encoding="UTF-8"?> <Context> <!-- JDBC datasource for myDB --> <Resource name="jdbc/mydbds" auth="Container" type="javax.sql.DataSource" username="dbuser" password="dbpass" driverClassName="org.postgresql.Driver" url="jdbc:postgresql:alertdb" maxActive="10" maxIdle="4" /> </Context> And I have a symlink to this at /usr/lib/xwiki/WEB-INF/context.xml I'm trying to test that I can access this with a Groovy script. I'm not entirely sure of the correct approach here, but the most successful I've got it with {{groovy}} import groovy.sql.Sql import javax.naming.Context import javax.naming.InitialContext import javax.sql.DataSource Context ctx = new InitialContext(); DataSource dataSource = (DataSource) ctx.lookup("jdbc/mydbds"); def sql = new Sql(dataSource) {{/groovy}} However this fails with javax.naming.NameNotFoundException: Name [jdbc/mydbds] is not bound in this Context. Unable to find [jdbc]. Would anyone be able to tell me whether this is the right sort of way to be going about using a JNDI resource, and what's wrong with my implementation?