Issues with rolling back 11.1.1.5.0 BP08 (19822595) (Doc ID 1998948.1)

Last updated on MAY 24, 2022

Applies to:

Symptoms

After removing patch 19822595 users started getting below error message

Error
Oracle Access Manager Operation Error

The WebGate plug-in is unable to contact any Access Servers.
Contact your website administrator to remedy this problem.

In the OAM managed server startup log below mentioned error appeared.

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<Mar 5, 2015 1:44:47 PM IST> <Error> <HTTP> <BEA-101216> <Servlet:

"AMInitServlet" failed to preload on startup in Web application: "oam".

java.lang.NoClassDefFoundError:

oracle/security/am/plugin/PluginEventFlowController

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)

at java.lang.ClassLoader.defineClass(ClassLoader.java:615)

at

java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

at

weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:343)

Truncated. see log file for complete stacktraceCaused By: java.lang.ClassNotFoundException:

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Changes

 Applied Bundle patch
=================
1)Stop Admin and Managed server
1)Apply Bundle patch =><ORACLE_HOME>/OPatch/opatch apply
2) set Domain Home => export DOMAIN_HOME=<PATH_OF_OAM_DOMAIN>
3) Set Oracle Home => export ORACLE_HOME=<PATH_OF_ORACLE_HOME>
4)go to ........../19822595/files/oam/server/scripts/opatch
5) Execute domain AutoMation script => ./domainAutomation.sh -i 19822595 -u <OAM_DOMAIN_ADMIN_USER> -p<PASSWORD> -l <ADMIN_SERVER_HOST_NAME>:<ADMIN_SERVER_PASSWORD>
6) Start Admin and Managed server
7) Every thing works fine


Now roll back patch
================
1) Stop Admin and Maned server
2) Go to  ........../19822595/files/oam/server/scripts/opatch
3) Execute domain automation patch ./domainAutomationRollback.sh -i 19822595
4) rollback patch =>  <ORACLE_HOME>/OPatch/opatch rollback -id 19822595
5) Start Admin Server => It starts without any issue
6) Start oam managed server => it throws error during startup and oam_server app failed to deploy

Cause

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