Oracle HTTP Server Reverse Proxy Connections Hang or Fail for Undetermined Reasons
(Doc ID 2854748.1)
Last updated on MAY 12, 2022
Applies to:Oracle HTTP Server - Version 220.127.116.11.0 and later
Information in this document applies to any platform.
Some mod_proxy based reverse proxy connections begin to time out after some time and then they appear to fail.
The connections may also appear to hang or not respond for a longer than normal time.
The connections will start to work again after an additional period of time when tested again.
[Wed Feb 16 03:52:51.287441 2022] [proxy_http:error] [pid :tid ] (70007)The timeout specified has expired: [client ip:port] AH01102: error reading status line from remote server host.domain:port, referer: http(s)://<URL>
[Wed Feb 16 03:52:51.287454 2022] [proxy_http:debug] [pid :tid ] mod_proxy_http.c(1292): [client ip:port] AH01103: read timeout, referer: http(s)://<URL>
[Wed Feb 16 03:52:51.287458 2022] [proxy_http:debug] [pid :tid ] mod_proxy_http.c(1347): [client ip:port] AH01105: NOT Closing connection to client although reading from backend server host:port failed., referer: http(s)://<URL>
[Wed Feb 16 03:52:51.287470 2022] [proxy:error] [pid :tid ] [client ip:port] AH00898: Error reading from remote server returned by /<URI>, referer: http(s)://<URL>
[Wed Feb 16 03:52:51.287475 2022] [proxy:debug] [pid :tid ] proxy_util.c(2339): AH00943: HTTPS: has released connection for (host)
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