DXP - Attempting to Use Multiple JNDI Connections to External DBDXP - Attempting to Use Multiple JNDI Connections to External DBhttps://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&threadId=1111768152026-04-06T03:44:50Z2026-04-06T03:44:50ZRE: DXP - Attempting to Use Multiple JNDI Connections to External DBJohn O'Flahertyhttps://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=1112943882018-10-23T16:02:58Z2018-10-23T16:02:58ZHi all, <br /><br />having worked this offline, it appears that this feature is not support in DXP. in its place we created a number of service builder modules for each pool. From there we brought these in as dependancies in a war/wab project. This successfully resolved our issue. <br /><br />Regards,<br /><br />JohnJohn O'Flaherty2018-10-23T16:02:58ZDXP - Attempting to Use Multiple JNDI Connections to External DBJohn O'Flahertyhttps://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=1111768142018-10-09T11:34:10Z2018-10-09T11:34:10Z<p>Hi all,</p>
<p>In 6.2 we successfully migrated our applications from JDBC
connections to use the application server JNDI connection pool. Each
application had its own resources defined within an xml file located
within catalina/conf/localhost. This working perfectly and all
applications were able to connect to the intended databases. Portlets
with single connection pool resource links worked as did multiple
resourcelink portlet. As part of a migration to DXP i am attempting
to replicate the same setup, we are successful for portlets with a
single resource link and using the original ext-spring 6.2 settings
setup or the setup outlined <a href="http://www.javasavvy.com/liferay-jdbc-connection-pool/">here</a> . </p>
<p> </p>
<p>My issue however is with portlets using multiple external jndi pools,
in 6.2 this seemed to be straightforward with defining pool within
tomcat, adding the resources and defining ext-spring and linking in
via service xml. However for 7 its seems that this approach is
problematic (at least for my scenario), when i use the DynamicQuery
class to issue a basic listing query i do not get any errors but
merely an empty list is returned. </p>
<p> </p>
<p>A few points of note, when i do start the server i see that the
external server dialect is detected (in this case MS SQL) as indicated
in the attachment. I've included my ext-spring configuration and the
service xml of the affected entities. Additionally this migration
effort is concerned with migrating 6.2 code to 7 compliant war/wab. </p>
<p> </p>
<p>In essence i am hoping to continue our 6.2 practice of using multiple
external DB connections in a portlet and I'd greatly appreciate any
assistance possible. Please do let me know if I'm am missing any
information or if any questions arise.</p>
<p>Regards,</p>
<p> </p>
<p>John</p>
<p> </p>
<p> </p>John O'Flaherty2018-10-09T11:34:10Z