We are not able to bring up the Application after in-place upgrade to 12.2 and roll back to the previous release, getting java.lang.NullPointerException error.
Application DE server version : 12.0.0
Database version : Oracle 11g
The DE Server logs and stdout.txt file show the server failed to start with error;
The ESP_CONFIG_PROPERTY table is missing 'license.check.interval' server property. The property is removed from the server configuration property in DE 12.2,
Release : 12.0
Component : CA WORKLOAD AUTOMATION DE (DSERIES)
As part of the in-place upgrade roll back procedure, the database backed up before the upgrade should be restored before starting the DE Server.
Make sure the DBA restore the right database backed up before the DE Server in-place upgrade.
See the in-place upgrade roll back procedure for details Roll Back the Server to the Previous Version