Resolution:
Description:
==========
Administrator server can not start and throws the following error:

Aug 05 17:28:46:468 GMT +2 Error [Administrator] AESDKJ-0000 [http-8084-Processor25]  java.lang.NullPointerException
    at com.tibco.pof.administrator.model.impl.AdministratorModelImpl.installCoreTIBCOAdministratorModules_5_2(AdministratorModelImpl.java:116)
    at com.tibco.pof.admindomain.AdministrationDomain.install_5_2(AdministrationDomain.java:274)
    at com.tibco.pof.admindomain.AdministrationDomain.upgradeToCurrentVersion(AdministrationDomain.java:230)
    at com.tibco.administrator.AdministratorServlet.init(AdministratorServlet.java:127)

Environment:
==========
Administrator 5.x.x DB base domain

Cause:
==========
One posssible reason is the domain is corrupted. Check if table ADADMINISTRATORMODEL is missing in the database or containing wrong data.
 

java.lang.NullPointerException while starting Tibco Administrator

If the domain is previously working, restore the DB from the back-up.
Recreate the domain as the Domain DB  may not have been created correctly.

Please contact TIBCO support for further assistance.