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Encountered HTTP Response Code 502 While Using Mod_proxy ProxyPass (Doc ID 2715173.1)

Last updated on SEPTEMBER 29, 2020

Applies to:

Oracle HTTP Server - Version 12.2.1.3.0 and later
Information in this document applies to any platform.

Symptoms

On : 12.2.1.3.0 version, Admin of iAS Web Server

When using ProxyPass to direct the url "https://***/" by the subcontext '/***' on OHS. Sometimes client side receive http code 502 unexpectedly.

ERROR
-----------------------
From HTTP Access.log

<host> - - - [TimeStamp] 005fZLDs90X7y0G6yzIbMG000bgO000Rjc "POST /***/***/api/***P/1.1" 502 456  

From OHS.log

[TimeStamp] [OHS] [ERROR:32] [AH01102] [proxy_http] [client_id: ****] [host_id: ****] [host_addr: ****] [pid: ***] [tid: ****] [user: ****] [ecid: ******] [rid: 0] [VirtualHost: <host>:<port>] (<port>)The timeout specified has expired: <host>: error reading status line from remote server <IP>:<port>

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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