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Node Selection in a Tree Throws NullPointerException in the Listener Method (Doc ID 2898993.1)

Last updated on OCTOBER 04, 2022

Applies to:

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


A page includes a tree component built using a table with a recursive foreign key.
The tree includes a selection listener that retrieves the selected node information.

When the page is shown and nodes expanded so it shows a scrollbar, trying to get the node binding sometimes returns a null value.
Selecting the same node when different o no scroll has occurred causes no problem.

In the code used in the app, the binding being null causes a Null Pointer Exception, however the relevant problem is that the binding should not be null




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