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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 12.2.1.4.0 and later
Information in this document applies to any platform.

Symptoms


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)

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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