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Support Article

Database-General Unable to obtain data source

SA-61927

Summary



Update to Pega 7.4 fails to update the rules schema.


Error Messages



[java] Caused by: com.pega.pegarules.pub.database.ConfigurationException: Database-General Unable to obtain data source "java:comp/env/jdbc/MyDataSource", as it is undefined


Steps to Reproduce

  1. Update Pega 7.2 to Pega 7.4.
  2. Run update script.


Root Cause



A defect in Pegasystems’ code or rules.
The application has an external datasource, jdbc/MyDataSource, with classes in Pega which point to tables in the database. The update script should skip these references; however, it attempts to process them.


Resolution



Perform the following local-change: 
  1. Remove the Data-Admin-DB-Name rule with jdbc/MyDataSource reference and remap the tables to PegaRULES. 
  2. Run the migrate and upgrade scripts of the rules schema objects and the rest of the upgrade steps.  
  3. Post upgrade, reinstate the deleted rule and update the table mappings.
If required, replace the datasource reference in Data-Admin-DB-Name rule jdbc/MyDataSource with JDBC URL connection.

Tags:

Pega Platform 7.4 Pega Platform Platform

Published August 30, 2018 - Updated December 2, 2021

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