Datasource binding in Liferay 7.4.2 GA3 https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&threadId=121061453 2026-04-04T11:01:47Z 2026-04-04T11:01:47Z Mikael Andersson https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121343360 2022-01-25T17:18:53Z 2022-01-24T20:06:20Z

<p>Thanks Brian!</p> <p>I saw the blog post but have not had time to test anything yet. We use Spring Framework over here and I think there have been some challenges with switching class loaders. I will test this in the near future and reply the results.</p> <p>Many thanks for your reply.</p>

Mikael Andersson 2022-01-24T20:06:20Z Brian Zuppardi https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121343274 2022-01-24T19:42:04Z 2022-01-24T16:39:38Z

<p>Hi Mikael!</p> <p>I thought you might find Friday's blog post from David Nebinger of some interest... <a href="https://liferay.dev/blogs/-/blogs/setting-up-jndi-in-liferay-7-4?s=09">https://liferay.dev/blogs/-/blogs/setting-up-jndi-in-liferay-7-4?s=09</a></p> <p>I was able to get my existing JNDI configuration to work (context.xml) all I had to do was change the location where I was copying the mysql jdbc driver jar into the container from /opt/liferay/tomcat/lib/ext to /opt/liferay/tomcat/lib</p> <p>Good luck,</p> <p>Brian</p>

Brian Zuppardi 2022-01-24T16:39:38Z Mikael Andersson https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121323540 2022-01-09T21:46:52Z 2022-01-09T21:46:52Z

<p>Hello Brian!</p> <p>I have not found a way to use Tomcat JNDI to connect to external databases which was and is my primary need. I'm not sure but I think this does not relate to Tomcat versions but to the change in Liferay architecture where Liferay portlets no more see Tomcat classloader.</p> <p>At the moment I have a working alternate solution using HikariCP connection pool.</p> <p>I have not found any documentation about the change <em>if</em> the change was in Liferay.</p> <p>Please share your information if you find any news on the DXP side.</p> <p>Cheers!</p> <p> </p>

Mikael Andersson 2022-01-09T21:46:52Z Brian Zuppardi https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121322856 2022-01-07T18:39:43Z 2022-01-07T18:39:43Z

<p>Did you ever get anywhere with this? I am having a similar issue when testing our upgrade from 7.2 to 7.4 DXP. We use JNDI and context.xml to define our datasources, including the Liferay database itself. I can't get it to create the context on portal startup after upgradin the DB and the new image. I'm guessing a differnt version of Tomcat and requiring a slightly different setup?</p>

Brian Zuppardi 2022-01-07T18:39:43Z Mikael Andersson https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121061452 2021-08-23T18:40:29Z 2021-08-20T12:52:58Z

<p>Prior to 7.4.2 GA3 I've configured datasources to my external databases in [tomcat-home]/conf/context.xml (Context section, each datasource configured as a Resource). This has worked fine with 7.3.x and 7.4.x until 7.4.2.</p> <p>With 7.4.2 when my portlet creates an org.springframework.context.ApplicationContext I'm getting</p> <pre> <code>javax.naming.NameNotFoundException: Name [ExternalDS] is not bound in this Context. Unable to find [ExternalDS].</code></pre> <p>It looks like something has changed in 7.4.2 compared to previous releases.</p> <p>Any ideas about what has been changed and might cause this error?</p>

Mikael Andersson 2021-08-20T12:52:58Z