https://bz.apache.org/bugzilla/show_bug.cgi?id=61666
Bug ID: 61666
Summary: regression on httpd reload (could not bind to address
0.0.0.0:80)
Product: Apache httpd-2
Version: 2.4.28
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mpm_event
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
We have an autotest based automated test system that automatically tests
various httpd and mod_proxy configurations. A few tests failed 100% of the time
after updating from 2.4.25 to 2.4.29.
As soon as the script issues
As soon as a script issues a "httpd reload", this appears in the logs:
[mpm_event:notice] [pid 2452:tid 3072501504] AH00494: SIGHUP received.
Attempting to restart
(98)Address already in use: AH00072: make_sock: could not bind to address
0.0.0.0:80
[mpm_event:alert] [pid 2452:tid 3072501504] no listening sockets available,
shutting down
I've tracked it down to this change in httpd 2.4.26:
*) Don't set SO_REUSEPORT unless ListenCoresBucketsRatio is greater
than zero. [Eric Covener]
Commit in questions is this one:
https://github.com/apache/httpd/commit/d3e0ad6e2ba88f465765e0a8c315189c311583a5
Once I revert it, "httpd reload" works just fine.
Looks like graceful shutdowns now cause trouble when doing httpd reloads?
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