After update login to the webui fails: HTTP Status 404 - Not Found

This document (000021017) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Manager Server 4.3
SUSE Manager Server 4.2

Situation

After applying updates to the server, access to the web user interface (webui) fails with:

HTTP Status 404 - Not Found

Additionally, the following error message can be seen in the "/var/log/rhn/rhn_web_ui.log" file:

2023-03-15 09:37:33,495 [Catalina-utility-2] ERROR com.redhat.rhn.common.conf.Config - Could not parse file /etc/rhn/rhn.conf
java.io.IOException: File '/etc/rhn/rhn.conf' cannot be read

Resolution

Use "chown" and / or "chmod" to properly set the permissions to the "/etc/rhn/rhn.conf" file.

Cause

The file permissions for the "/etc/rhn/rhn.conf" file is not set properly / incorrect.

Additional Information

An example of proper file permissions:

:~ # ls -l /etc/rhn/rhn.conf
-rw-r----- 1 root www 2819 Nov 8 14:00 /etc/rhn/rhn.conf

An example where there was a problem with the group membership resulting in the above mentioned error:

:~ # ls -l /etc/rhn/rhn.conf
-rw-r----- 1 root 477877884 2861 Mar 13 16:29 /etc/rhn/rhn.conf

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.