After AD/TXK Upgrade opmn services not starting

Error

[2022-12-04T09:03:59+05:30] [opmn] [ERROR:1] [] [internal] /u01/apps/fs2/FMW_Home/webtier/opmn/bin/opmn: unexpected exit: status 4200

opmnctl start: opmn failed to start.

Resolution

Prerequisite Steps to Configure Oracle Fusion Middleware 11.1.1.9 Components for Oracle E-Business Suite Release 12.2 Before Applying July 2019 or Later FMW OSS Security Patch (Doc ID 2555355.1)

EBS 12.2.x Application Tier Pre-Clone Error Resolution

Error

ERROR while running Stage...

START: Deploying Shared library ebs-forms

ERROR:  Failed to obtain MBeanServer Connection

Resolution

adpreclone.pl Fails on Applications Tier With Error Message "Edit session is enabled in domain" (Doc ID 2193759.1)

While AD/TXK Upgrade to 14 Validate EBS_SYSTEM user password

Validate EBS_SYSTEM user password via 33600809

Execute the perl file with the RUN file environment executed.

perl $PATCH_TOP/33600809/ad/bin/adValidateEbssystemSchema.pl 

Enter the APPS password:

Enter the SYSTEM password:

Validating APPS credentials...validated successfully

Validating SYSTEM credentials...validated successfully

Validating EBS_SYSTEM user 

ebssys entity is not registered

All required validations completed successfully