My Oracle Support Banner

EM 13c: Siebel Application Services Not Discoverable And Fails With "Discovery Failed" Post Siebel Oracle Enterprise Manager (OEM) Cloud Control Integration (Doc ID 2973158.1)

Last updated on SEPTEMBER 11, 2023

Applies to:

Enterprise Manager for Siebel - Version 13.5.1.0.0 and later
Information in this document applies to any platform.

Symptoms

When attempting to create a Siebel application services in Oracle Enterprise Manager Cloud (EMCC), the discovery of the services (web server host) for enterprise fails and the following error is shown on the application UI.

Discovering Services - Failed
Siebel plugin has not been deployed on host: hostname

Extended OEM agent trace log shows below errors:

2023-08-29 10:48:56,218 [1027:3D112EF6] INFO - >>> Reporting response: PerformOperationResponse (exitCode:0 output:Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Priority
at oracle.sysman.gcagent.util.logging.LoggingManager.<clinit>(LoggingManager.java:808)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at oracle.sysman.emSDK.agent.logging.LoggerFactory.initImplementation(LoggerFactory.java:111)
at oracle.sysman.emSDK.agent.logging.LoggerFactory.getLogger(LoggerFactory.java:64)
at oracle.sysman.emSDK.agent.logging.LoggerFactory.getLogger(LoggerFactory.java:41)
at oracle.sysman.siebel.management.emagent.EMWebServerAgent.<clinit>(EMWebServerAgent.java:51)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Priority
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 7 more
error:) (request id 1) <<<

The issue can be reproduced using below steps:

1. Login to Enterprise Manager Cloud Control (EMCC) and go to Targets >> Siebel and click on Services.

 

2. Go to Services tab and click on Add to create the Siebel application service

3. Select the enterprise name and then provide the test username/password for the database and select the web server hostname. Once all information is entered, click on Add button so that the service is discovered for the enterprise.

 

Changes

 

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
Changes
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.