APPS DBA - Oracle Solutions

How to solve JDK VERSION Mismatch during dbTechStack

Syed Raheel February 8, 2026 APPS DBA 0 40

Cloning an Oracle E-Business Suite (EBS) environment is a routine task for DBAs, but sometimes even a successful preclone can lead to unexpected failures during the dbTechStack configuration phase. Toady …

How to Resolve ApplyDBTechStack Relinking Failure in Oracle EBS Due to JDK Version Mismatch

Syed Raheel February 6, 2026 APPS DBA 0 20

In this blog we are going to solve the JDK VERSION MISMATCH which is causing the failure of dbTeckStack. perl adcfgclone.pl dbTechStack / 0% completed RC-00110: Fatal: Error occurred while …

How to Perform Basic Health Checks of Oracle E-Business Suite 12.2 Database from the Application Tier (No Direct DB Access Required)

Syed Raheel February 5, 2026 APPS DBA 0 37

As an Oracle EBS administrator, you may often find yourself in situations where you do not have direct SQL*Plus or SSH access to the database tier — especially in restricted …

How to fix Unable to locate ‘g++’ in Linux 8.10

Syed Raheel February 4, 2026 APPS DBA 0 13

While performing a database tier clone in Oracle E-Business Suite 12.2 on Linux 8.10, you may encounter a failure during the execution of: perl adcfgclone.pl dbTechStack The error that i …

Error : 400 Bad Request, Request Header Or Cookie Too Large while downloading EBS 12.2 Forms 10.1.2 Patch on the frustrating and irritating newer Oracle MOS Support Interface.

Syed Raheel February 3, 2026 APPS DBA 0 45

Issue: I had to recently download a patch as part of the migration of Oracle EBS 12.2.10 Application from Oracle Linux 7 to 8 and I faced the Error : …

How to resolve piled-up Pending Concurrent Requests in Output Post Processor (OPP) and Standard Manager in Oracle EBS 12.2

Syed Raheel February 2, 2026 APPS DBA 0 56

In Oracle E-Business Suite, one of the issues faced by EBS administrators is pending concurrent requests stuck in the Output Post Processor (OPP) or Standard Manager. Recently, I encountered a …

How to fix REP-0004 Error: Unable to Open User Preference File

Syed Raheel January 11, 2026 APPS DBA 0 24

Issue faced:REP-0004: Warning: Unable to open user preference file SYMPSTOMS:Concurrent request logfiles have the below error:REP-0004: Warning: Unable to open user preference file Cause:The prefs.ora is either missing or non-accessible. …

Fixing ORA-12514: Listener Does Not Know of Service (Oracle EBS CDB/PDB)

Syed Raheel January 5, 2026 APPS DBA 0 50

The application was down, and a quick SQL*Plus connection was supposed to confirm the database status. Instead of a clean sqlplus login prompt, the screen flashed an error:ORA-12514: TNS: Listener …

Fixing OPP Concurrent Manager in System

Syed Saad January 1, 2026 APPS DBA 0 274

Fixing OPP Concurrent Manager in System Hold Status Oracle E-Business Suite R12.1.3 (Out-of-Support Environment) While supporting an old customer still running Oracle E-Business Suite R12.1.3, an out-of-support release, I recently …

Attention: New Oracle Learners – How to Raise a Service Request (SR) specifically for Oracle E-Business Suite in My Oracle Support (MOS) Dec-2025 New Interface Release.

Syed Raheel December 21, 2025 APPS DBA 0 14

Recently, I was giving training to one of my Junior Database Associate on how to raise a Service Request (SR) for Oracle E-Business Suite (EBS) using the new My Oracle …