Bug ID 786173: UI becomes unresponsive when accessing Access active session information

Last Modified: Dec 13, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 15.0.0, 15.0.1

Fixed In:
15.1.0, 14.1.2.1

Opened: May 24, 2019
Severity: 3-Major

Symptoms

When accessing Admin UI Access :: Overview :: Active Sessions page, the page status is stuck in 'Receiving configuration data from your device'. TMSH command 'show apm access-info' also hangs.

Impact

Some session variables may be lost, which results in the GUI becoming unresponsive. The Access :: Overview :: Active Sessions page in the Admin UI becomes unusable.

Conditions

-- Two vCMP guests or two chassis are set up in high availability mode. -- If Network Mirroring is toggled between 'Within Cluster' and 'Between Cluster' while traffic is going through the device.

Workaround

Do not toggle between 'Within Cluster' and 'Between Cluster' while traffic is going through the device.

Fix Information

The solution for the reported issue is handled by the fix provided for ID 783817. ID 786173 fixes a null pointer exception that might occur in the specific case of a certain missing session variable, which is relevant only in BIG-IP releases 14.1.0 or later.

Behavior Change