NPE Encountered on Starting OIM Server After Running the Upgrade Assistant

A Null Pointer Exception (NPE) is encountered when starting the OIM server after running the Upgrade Assistant for upgrading the domain configuration.

The OIM server fails to start and displays the following error message:

Exception[[
java.lang.NullPointerException
   at
oracle.iam.rcu.LoadTemplateDataLogger.writeLog(LoadTemplateDataLogger.java:31)

   at
oracle.iam.rcu.LoadTemplates.loadAllTempalteImplementation(LoadTemplates.java:
113)
   at oracle.iam.rcu.LoadTemplates.loadAllTemplates(LoadTemplates.java:168)
   at
oracle.iam.OIMPostConfigManager.config.OIMConfigManager.seedNotificationTempla
te(OIMConfigManager.java:2866)
   at
oracle.iam.OIMPostConfigManager.config.OIMConfigManager.executeAndRegisterTask
(OIMConfigManager.java:1754)
   at
oracle.iam.OIMPostConfigManager.config.OIMConfigManager.configureOIM(OIMConfig
Manager.java:1558)
   at
oracle.iam.OIMPostConfigManager.config.OIMConfigManager.doExecute(OIMConfigMan
ager.java:1179)
   at
oracle.iam.OIMPostConfigManager.appListener.BootStrapListener.preStart(BootStr
apListener.java:134) 

To resolve this error, you should include /idm in the value of ORACLE_HOME in the setDomainEnv.sh file.

For example: /u01/oracle/product/ORACLE_HOME/idm