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Error on the Carousel Spin (af:carousel ) javax.el.ELException: java.lang.NullPointerException (Doc ID 1221923.1)

Last updated on OCTOBER 21, 2022

Applies to:

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


A primary carousel and detail table when synchronized, with the carouselSpin trigger, when spinning the carousel quickly will generate null pointer exception in the carouselSpin trigger. The error occurs when the primary table has more than 25 entries which is the default entry for the view iterator defined in the PageDef .

javax.el.ELException: java.lang.NullPointerException
at com.sun.el.parser.AstValue.invoke(
at com.sun.el.MethodExpressionImpl.invoke(
Caused by: java.lang.NullPointerException
at <PACKAGE>.<PAGE_NAME>.carouselSpin(<PAGE_NAME>.java:29)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
at java.lang.reflect.Method.invoke(
at com.sun.el.parser.AstValue.invoke(


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