EBS on Linux 8 with TLS encryption enabled hung logon with message "HTTP request sent, awaiting response" (Doc ID 3005782.1)

Last updated on FEBRUARY 21, 2024

Applies to:

Symptoms

After a platform migration from Linux 7 to Linux 8, attempting to login errors with:
URL: https://<WEB_ENTRY_HOSTNAME>:<SSL_ENTRY_PORT>/OA_HTML/AppsLocalLogin.jsp
--> ERR_TIMED_OUT
Details: Your connection to this site isn't secure

1) Testing download of a simple .txt file hung

wget --no-check-certificate https://<WEB_ENTRY_IP_ADDRESS>:<SSL_ENTRY_PORT>/robots.txt
--2024-01-30 09:52:37-- https://<WEB_ENTRY_IP_ADDRESS>:<SSL_ENTRY_PORT>/robots.txt
Connecting to <WEB_ENTRY_IP_ADDRESS>:<SSL_ENTRY_PORT>... connected.
The certificate's owner does not match hostname ‘<WEB_ENTRY_IP_ADDRESS>’ <<< error - please note that the hostname will show up as the server IP address
HTTP request sent, awaiting response... <<< waiting for HTTP hung request response


2) coredumps were observed in FMW EBS_web.log

cd $(tr < $CONTEXT_FILE '<>' ' ' | awk '/"s_ohs_instance_loc"/ {print $(NF-1)}' )/diagnostics/logs/OHS/EBS_web/
vi EBS_web.log
[2023-10-05T16:05:03.3203-07:00] [OHS] [NOTIFICATION:16] [OHS-9999] [core.c] [host_id: <WEB_ENTRY_HOSTNAME>] [host_addr: <WEB_ENTRY_IP_ADDRESS>] [pid: 9538] [tid: 139681765121344] [user: oracle] [VirtualHost: main] child pid 9690 exit signal Segmentation fault (11), possible coredump in /local/apps/<DB_NAME>/fs1/FMW_Home/webtier/instances/EBS_web_OHS1/config/OHS/EBS_web

Changes

EBS was SSL-encrypted with TLS1.2 configured with digital certificates from in-house Certificate Authority; Single-Sign-On (SSO) with Webgate is also configured

EBS was migrated platform from Linux7 to Linux8.

Cause

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