https://bz.apache.org/bugzilla/show_bug.cgi?id=58024
Bug ID: 58024
Summary: (Graceful) Restart does not work after adding a
BalancerMember
Product: Apache httpd-2
Version: 2.4.12
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy_balancer
Assignee: [email protected]
Reporter: [email protected]
Created attachment 32808
--> https://bz.apache.org/bugzilla/attachment.cgi?id=32808&action=edit
httpd.conf
I am using Apache 2.4.12 on Windows (details below)
I am using mod_proxy and mod_proxy_balancer and sometimes I have to add or
remove BalancerMember at runtime (without a downtime).
But I have an issue when (graceful) restarting the Apache after I had modified
the Proxy/BalancerMember configuration. The Apache will shutdown with error
AH02599 (error.log below)
When just stopping and then starting the Apache, everything works properly.
This scenario completely works properly when using Apache 2.2.27
Some Details:
=============
OS: Windows 7 64Bit
Apache downloaded from http://www.apachelounge.com/download/VC11/ ==>
httpd-2.4.12-win64-VC11.zip
Restart-Command: httpd -k restart -n Apache
error.log:
==========
The 'Apache' service is restarting.
Failed to restart the 'Apache' service.
ice] [pid 13636:tid 552] AH00424: Parent: Received restart signal --
Restarting the server.
[Thu Jun 11 14:41:18.545804 2015] [slotmem_shm:error] [pid 13636:tid 552]
AH02599: existing shared memory for
C:/test/apache/logs/slotmem-shm-p7bd87614_lb2.shm could not be used (failed
size check)
[Thu Jun 11 14:41:18.545804 2015] [proxy_balancer:emerg] [pid 13636:tid 552]
(22)Invalid argument: AH01185: worker slotmem_create failed
[Thu Jun 11 14:41:18.545804 2015] [:emerg] [pid 13636:tid 552] AH00020:
Configuration Failed, exiting
[Thu Jun 11 14:41:20.536003 2015] [mpm_winnt:notice] [pid 12032:tid 488]
AH00364: Child: All worker threads have exited.
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