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Configurator Intermittently Freezes With Error UiCacheManager.getUiInstanceCache: uiInstanceCache (Doc ID 1083400.1)

Last updated on APRIL 04, 2022

Applies to:

Oracle Configurator - Version 12.0.1 and later
Information in this document applies to any platform.


Oracle Configurator Version: 12.0.1 or later

When multiple users enter sales orders for configurator models and simultaneously press the Configure button on the sales orders form, the system freezes. 

The log shows the following message:

Exception Details.
oracle.apps.fnd.framework.OAException: oracle.jbo.JboException: JBO-29000: Unexpected 
exception caught: java.lang.Error, msg=UiCacheManager.getUiInstanceCache: uiInstanceCache is null for key at oracle.apps.fnd.framework.OAException.wrapperException( at oracle.apps.fnd.framework.OAException.wrapperException( at _OAErrorPage._jspService( at com.orionserver.http.OrionHttpJspPage.service( at oracle.jsp.runtimev2.JspPageTable.service( at


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