Bug ID 632546: Window.error handler is called when alert size is too large

Last Modified: Oct 07, 2023

Affected Product(s):
BIG-IP FPS(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,,,, 12.1.4,, 12.1.5,,,, 12.1.6

Fixed In:

Opened: Dec 08, 2016

Severity: 4-Minor


When large HTML code is attached to alerts, the page's Window.error handler may be called.


onError handler will be called.


"attach HTML to alerts" is enabled. The page's JavaScript assigns an "onError" listener on the window object.


Disable "attach HTML to alerts" on affected pages.

Fix Information

onError handler is no longer triggered

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips