My Oracle Support Banner

"Auto Refresh" Causes A NullPointerException In QueryCollection.resetCollection() (Doc ID 1293412.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle JDeveloper - Version: to
Information in this document applies to any platform.


After enabling the "Auto Refresh" property of some of your View Objects, you intermittently get
the following NullPointerException:
at oracle.jbo.server.QueryCollection.resetCollection(
at oracle.jbo.server.ViewObjectImpl.processDatabaseChangeNotification(
at oracle.jbo.server.ViewObjectImpl.processDatabaseChangeNotifications(
at oracle.jbo.server.ApplicationModuleImpl.processChangeNotifications(
at oracle.adf.model.bc4j.DCJboDataControl.processChangeNotifications(
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(


Issue occurred after you set the "Auto Refresh" property "true" for some of your View Objects.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process and therefore has not been subject to an independent technical review.

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.