Forum Discussion

Davidfisher_345's avatar
Davidfisher_345
Icon for Altocumulus rankAltocumulus
Jul 18, 2018

Bad gateway error 502 on statistic pages

Hey Guys, We are getting this on one of our boxes. It only shows up in the statistics tabs in virtual servers and pools for now. I tried restarting the httpd and tomcat but nothing. Thi...
BIG-IP
big-ip ltm
LTM
security
Lee_Sutcliffe's avatar
Lee_Sutcliffe
Icon for Nacreous rankNacreous
Jul 18, 2018

Jul 18 11:52:51 hostname err tmm1[26088]: 01010221:3: Per-invocation log rate exceeded; throttling.

This means more than 5 log messages with the same message ID were logged within a one-second interval. It is informative only, advising the system is regulating the log messages.

https://support.f5.com/csp/article/K10524

If you look up the log ID you'll see it's indicating the pool now has availible members

01010221 : Pool %s now has available members
Location:
/var/log/ltm

Conditions:
A pool with no available members now has available members. The pool may have had no available members due to administrative action, monitors, connection limits, or other constraints on pool member selection.

Impact:
This indicates that traffic is now load-balanced to the available member as desired.

Recommended Action:
None.

source: https://support.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/related/log-messages.html

That said, it does not completely explain the 503 error when accessing the statistics page. TMM is the OS managing the health monitors and your LTM in general. Linux is responsible for the Web GUI. I would perhaps open a ticket with F5