APEX Flash Chart Calculation Error Prevents Display
(Doc ID 2098202.1)
Last updated on JULY 31, 2019
Applies to:Oracle Application Express (APEX) - Version 5.0 and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
A chart is defined on an APEX page, and the chart query uses two values from the page (via page items) as part of the calculations performed by that chart query. The chart query performs a mathematical division, although it is likely the same root cause could produce errors or incorrect graph results with other mathematical operations.
When the page items on the page are populated and the chart is run, a message is raised saying "Waiting for data..." and the chart is never rendered. Additionally, a pop up error is produced with little usable information.
Running the page in Debug mode shows the following corresponding error messages:
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