My Oracle Support Banner

EM 13c: Post Upgrade to EM 13.4 / 13.5 Version, All the Agents Failed to Communicate with OMS and Console Access Fails With SLB URL (Doc ID 2671586.1)

Last updated on AUGUST 31, 2021

Applies to:

Enterprise Manager Base Platform - Version 13.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

After upgrading the Multi-OMS environment with SLB to 13.4 or 13.5,

1. Users are unable to access Enterprise Manager console using the SLB host name in the browser.

However, Connections to the Enterprise Manager Console using actual OMS host names in the browser works fine.

2. All agents failed to communicate with the OMS Servers.

$emctl status agent  command output shows:

OMS Version : (unknown)
Heartbeat Status : OMS is unreachable
Last attempted heartbeat to OMS : <Date>
Last successful heartbeat to OMS : (none)

$emctl secure agent fails with the following error:

2020-10-25 04:24:02,341 [main] INFO agent.SecureAgentCmd secureAgent.447 - Checking if HTTPS Upload URL is accessible from the agent...
2020-10-25 04:24:02,341 [main] INFO agent.SecureAgentCmd secureAgent.448 - Accessing: https://<SLBHostName>:4900/empbs/upload
2020-10-25 04:24:02,370 [main] ERROR agent.SecureAgentCmd main.353 - Failed to secure the Agent:
javax.net.ssl.SSLPeerUnverifiedException: peer not authenticated
at com.ibm.jsse2.bc.getPeerCertificateChain(bc.java:179)

From the agent server, wget with the SLB Upload URL hangs / fails

$wget https://<SLBHostName>:4900/empbs/upload --no-check-certificate

Health Monitors for Upload as well as Console are shown as DOWN in SLB Console.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.