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Constraint violation during new installation



During a new Pega 7.2.2 command line installation, the installation failed with an exception

Error Messages

java.sql.SQLIntegrityConstraintViolationException: ORA-01400: cannot insert NULL into ("MYDOMAIN42_PEGA_ADMIN_USER"."PR_SYS_CLASS_ANCESTORS"."PXUCLEAFCLASSNAME")

Steps to Reproduce

  1. Configure the
  2. Start the installation.

Root Cause

A software use or operation error:

The exception indicates that a NULL is being inserted to a not NULL column PXUCLEAFCLASSNAME in the database table PR_SYS_CLASS_ANCESTORS.

After verifying the scripts from the Pega 7.2.2 latest media, the null value could not possibly be inserted.


Here’s the explanation for the reported behavior:

Use Pega 7.2.2 media to install Pega.

Published August 22, 2017 - Updated October 8, 2020

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