This post covers overview of Forms and Reports Upgrade in Oracle Apps R12 (12.0.X) to 10.1.2.3
Key Points for 10.1.2 upgrade in R12/12i (12.0.X)
1.There are two ORACLE_HOMEs on Application Tier
10.1.2.X for Forms & Reports
10.1.3.X for Web Server & J2EE application
2. By default, R12 uses Forms Servlet Architecturefor forms requests (to know more about Forms Servlet click here […]

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If you follow Steven Chan’s blog you probably know that Oracle Apps Release 12.1.1 is available for download now.
Last week I installed version 12.1.1 for Oracle Apps DBA training here ; error and fix below (oom-killer)
Technology Stack changes in 12.1.1
1. Default database version is 11g  (10g in 12.0.X ; 9i in 11i)
2. Default forms and report version is 10.1.2.3 (10.1.2.2 in 12.0.4 ; 8.0.6 […]

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JVM Caching :-

Cache is simply a copy or pre-fetched date stored away from the original data, there are few well known computing caches hits us as bellow
# Oracle Database Buffer Cache of the SGA
# Disk Cache
# CPU Cache
# Web Cache
and in this scenario it is Java Cache.
Similarly data from EBS database is stored or cached […]

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Issue : Error while creating new User in 11i system integrated with OID/SSO “ORA-20001 unable to call fnd_ldap_wrapper.create_user due to folowing reason : An unexpected error occurred. Please contact System Administrator”
Instance Configuration : Apps 11i with OID/SSO Integration (one way Integration from Apps 11i to OID)
Looking at error message “unable to call fnd_ldap_wrapper” its clear […]

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If you are upgrading your system (or planning to upgrade) to ATG roll up 4, 5 or 6 or using R12 (12.0.X to 12.1.X); beware of below common intermittent issues around Web Server (Apache/Jserv/OC4J/JVM) for 11.5.10 and R12 
 
- Responsibility not visible to users 
-NoCalssDef found error in JVM logs
-Intermittent hang in JVM (Jserv/Apache)
-Intermittent page not found while accessing/login apps ( 500 […]

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Introduction
This document is helping us to install Oracle Diag patch using “adpatch” utility . Oracle Diagnostic patch is one of pwerfull features of Oracle E-business Suit .
 Pre-Requisites
• Oracle E-Business Suite Diagnostics can only be installed on a minimum of E-Business Suite 11.5.4 or above with FND.D and AD.G installed.
• The latest Oracle E-Business Suite Diagnostics can only […]

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Introduction
The database upgradation process for 11G is same as other version of oracle ,
Either using DBUA or manually. I followed the manual process to accomplish the task.
.
Prerequisites
i). Apply ATG rollup patch 6   5903765
 In my case instances was not updated to ATG roll up patch 6 , so I have applied the patch before proceeding .
SQL> […]

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