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Support Article

ORA-00942 error when table is in external schema



With a separate database schema, database instances have classes mapped to a table. When using Obj-Browse on this table and addWork against a different class, addWork runs Work-.SaveNew which runs pzLoadCaseHierarchyWrapper. This activity runs a query that fails.

Error Messages

There was a problem getting a list: code: 942 SQLState: 42000 Message: ORA-00942: table or view does not exist

Steps to Reproduce

  1. Create a new schema (external)
  2. Create a Pega table in it with one instance and add a work object in the table
  3. Create a class in Pega (marked as class group) that maps to this new table
  4. Create a Database Table Instance that connects the new class with the new table
  5. Create an activity with the following steps:
    1. Run createWorkPage against a different work- class that supports Work Objects from the main pega data schema
    2. Obj-Open the Work Object instance in the new pega table in a different schema
    3. Set a few properties from this recently opened WO against the Work object that will be created using CreateWorkPage/AddWork
    4. Run AddWork for the new work object
    5. Run a commitWithErrorHandling.

Root Cause

A defect or configuration issue in the operating environment. The database user in the jdbc/PegaRULES datasource did not have select privileges on the table in the external schema.


Make the following change to the operating environment:
Grant privileges to query the table to the database user in jdbc/PegaRULES datasource.

Published August 21, 2017 - Updated October 8, 2020

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