[Bug 63277] New: All workers are in error state for route ...

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[Bug 63277] New: All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

            Bug ID: 63277
           Summary: All workers are in error state for route ...
           Product: Apache httpd-2
           Version: 2.4.38
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mod_proxy_balancer
          Assignee: [hidden email]
          Reporter: [hidden email]
  Target Milestone: ---

Hello to everyone,

I am receiving the below errors in apache log for 3 (!!!) apache load
balancers, although the workers apache servers are working correctly !!!!

[Thu Mar 21 10:17:24.335819 2019] [proxy_balancer:error] [pid 3803:tid
140235396585216] [client ############:50494] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 10:17:24.354218 2019] [proxy_balancer:error] [pid 16483:tid
140235337836288] [client ############:55946] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 10:17:24.377296 2019] [proxy_balancer:error] [pid 3803:tid
140235379799808] [client ############:50495] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 10:17:24.413650 2019] [proxy_balancer:error] [pid 31177:tid
140235446941440] [client ############:50496] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 10:17:24.418306 2019] [proxy_balancer:error] [pid 31377:tid
140235559737088] [client ############:55947] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 10:17:24.421468 2019] [proxy_balancer:error] [pid 27890:tid
140235354621696] [client ############:55948] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 10:17:24.448442 2019] [proxy_balancer:error] [pid 3003:tid
140235388192512] [client ############:50497] AH01167:
balancer://###############: All workers are in error state for route (2),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.205880 2019] [proxy_balancer:error] [pid 31377:tid
140235534558976] [client ############:59457] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.242508 2019] [proxy_balancer:error] [pid 1200:tid
140235542951680] [client ############:59456] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.318190 2019] [proxy_balancer:error] [pid 31377:tid
140235404977920] [client ############:59458] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.328191 2019] [proxy_balancer:error] [pid 31377:tid
140235396585216] [client ############:59459] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.484980 2019] [proxy_balancer:error] [pid 31177:tid
140235526166272] [client ############:59460] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.500728 2019] [proxy_balancer:error] [pid 1200:tid
140235413370624] [client ############:59461] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.586331 2019] [proxy_balancer:error] [pid 30003:tid
140235337836288] [client ############:59462] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.588165 2019] [proxy_balancer:error] [pid 30003:tid
140235421763328] [client ############:59463] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.728050 2019] [proxy_balancer:error] [pid 3803:tid
140235312658176] [client ############:59464] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.754865 2019] [proxy_balancer:error] [pid 3803:tid
140235526166272] [client ############:59465] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.795053 2019] [proxy_balancer:error] [pid 31377:tid
140235526166272] [client ############:59455] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/
[Thu Mar 21 12:39:40.805764 2019] [proxy_balancer:error] [pid 16483:tid
140235551344384] [client ############:59466] AH01167:
balancer://###############: All workers are in error state for route (1),
referer: <a href="https://#####.#####.######/">https://#####.#####.######/

Do you have any idea why this happens and what can I do to avoid it ?
Is there any other log(s) that I can look for any additional info ?

This error appears for a little while and then it's gone and then (after hours)
appears again and then again it's gone !!!!
It does not appear at the same time period for all the clients.

I don't know what to do with it.

Regards

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[Bug 63277] All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

Antony <[hidden email]> changed:

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[Bug 63277] All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
In reply to this post by Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

Eric Covener <[hidden email]> changed:

           What    |Removed                     |Added
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             Status|NEW                         |NEEDINFO

--- Comment #1 from Eric Covener <[hidden email]> ---
Can you try to capture debug/trace of when they go into error state?

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[Bug 63277] All workers are in error state for route ...

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https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

--- Comment #2 from Antony <[hidden email]> ---
That's my issue. The apache workers do not ever go into error state and other
clients can work without problems when these messages are displayed into the
load balancers logs !!!

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[Bug 63277] All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
In reply to this post by Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

Antony <[hidden email]> changed:

           What    |Removed                     |Added
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             Status|NEEDINFO                    |NEW

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[Bug 63277] All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
In reply to this post by Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

--- Comment #3 from Antony <[hidden email]> ---
Goodmorning to all,'

After a little search, I have found that (sometimes but not always) there are
many "304" http codes in the apache workers logs during the appearance of the
message "All workers are in error state" in the apache load balancers logs.

Can this be the cause of the problem that I have ?

Do you have any idea ?

Regards

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[Bug 63277] All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
In reply to this post by Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

--- Comment #4 from Antony <[hidden email]> ---
Goodmorning to all,

After a more precise search, I have found that there are ALWAYS many (from 10
to 100) "304" http codes in the apache workers logs during the appearance of
the message "All workers are in error state" in the apache load balancers logs.

And I think that this is the issue for this problem.

Can anyone help me on this ?

Regards

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[Bug 63277] All workers are in error state for route ...

Bugzilla from bugzilla@apache.org
In reply to this post by Bugzilla from bugzilla@apache.org
https://bz.apache.org/bugzilla/show_bug.cgi?id=63277

Antony <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|2.4.38                      |2.4.39

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