OHS Gives "Error Reading POST Data From Client" During High Load
(Doc ID 2368815.1)
Last updated on MARCH 02, 2019
Applies to:Oracle HTTP Server - Version 184.108.40.206.0 and later
Information in this document applies to any platform.
On : 220.127.116.11.0 version, Apache Web Server and SOA
The application does not work consistently and a few requests are dropped during load. The following errors are returned to the browser:
In the <ORACLE_HOME>/user_projects/domains/ohs/servers/ohs1/logs/ohs1.log shows these errors:
[2018-02-14T12:39:14.1708-05:00] [OHS] [ERROR:32] [OH99999] [weblogic] [client_id: <IP>] [host_id: <HOST>] [host_addr: <IP>] [pid: <PID>] [tid: <TID>] [user: <USER>] [ecid: <ECID>] [rid: 0:1:1] [VirtualHost: <HOST>:<PORT>] Error reading POST data from client \n
[2018-02-14T12:39:14.1709-05:00] [OHS] [ERROR:32] [OH99999] [weblogic] [client_id: <IP>] [host_id: <HOST>] [host_addr: <IP>] [pid: <PID>] [tid: <TID>] [user: <USER>] [ecid: <ECID>] [rid: 0:1:1] [VirtualHost: <HOST>:<PORT>] IO error reading client POST data; sys err#:  sys err msg [No such file or directory]
The issue can be reproduced at will with the following steps:
1. This happens while in load, and a few requests are always dropped because of this, so it is always reproduce it.
2. The OHS instance can write in /tmp/_wl_proxy but when changing to WLTempDir to another writable directory the problem remains
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