Bug ID 439422: Possible TMM crash when WA receives 304 response

Last Modified: Jul 12, 2023

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

Known Affected Versions:

Fixed In:
11.3.0 HF9

Opened: Dec 02, 2013

Severity: 3-Major

Related Article: K15589


Under certain conditions TMM may crash when WAM receives a 304 NOT MODIFIED response from the origin web server and the related document is not available in the WAM cache.


Traffic disrupted while tmm restarts.


WAM enabled Virtual Server Conditional request from client Origin server provides 304 response No related document cached



Fix Information

Always proxy when the OWS may return 304 and the requested document is not in the cache.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips