All posts by Atul Kumar
Oracle Enterprise Manager (OEM) 12C (12.1.0.1 Cloud) #em12c : Overview and Installation
After i (Internet) and g (Grid) it’s now turn of c (cloud). As Oracle Enterprise Manager (OEM) 12c is now available, this post covers key points including software and documentation link to install/configure OEM 12c You can download Oracle Enterprise Manager (OEM) 12c from here Documentation for OEM 12c is available here OEM 12c Component OEM […]
Read MoreChanges in Oracle E-Business Suite R12 12.2 from 12.0.x and 12.1.x
This post covers key changes (important for Apps DBA’s) from Oracle E-Business Suite (EBS/Apps) 12.0/12.1 to release R12.2. If you want to see changes between Oracle Apps 11i and R12 then check here , here or Rupesh’s Posts here Changes in R12 (12.2) 1. Oracle E-Business Suite R12 (12.2) uses Oracle Fusion Middleware 11g R1 PS3 (11.1.1.4) […]
Read MoreCoherence Cluster : tangosol.net. RequestTimeoutException Timeout during service start
Fusion Middleware (11g R1 PS2 onwards) can be configured to use Coherence between WebLogic Cluster components. I recently faced issue while starting application (ODI), configured to use coherence as cluster cache. Two weblogic managed servers (running on server1 and server2) were configured as part of weblogic cluster. Managed server were configured to start with below parameter (9088 here […]
Read MoreInstalling ODI 11g (including Agents) in High Availability (Active-Active Cluster) : Overview
Image from Oracle HA Guide This post covers Oracle Data Integrator (ODI) High Availability (HA) deployment, for overview of ODI 11g components check my previous post here ODI high availability uses WebLogic ( with Java EE Agent) which give you Load Sharing, Connection Pooling, and ability to re-start automatically using WebLogic Server. For these […]
Read MoreOracle Data Integrator (ODI) 11g : Architecture & Installation Overview
. Oracle Data Integrator (ODI) is an E-LT (Extract – Load & Transform) based data transformation and integration tool. This post covers overview (and architecture) of ODI 11g, for ODI 10g (earlier Sunopsis) click here ODI consists of following components 1. ODI Studio – is a design time components which consists of Designer, Operator, Topology […]
Read MoreWebLogic Startup fails with Unable to obtain lock on Server may already be running
When you try to start weblogic server and if this fails with error message that “Unable to obtain lock on *.lok Server may already be running” ________ weblogic.management.ManagementException: Unable to obtain lock on /u01/oid_domain/servers/wls_ods1/tmp/wls_ods1.lok. Server may already be running at weblogic.management. internal.ServerLocks. getServerLock (ServerLocks.java:159) ________ This could be because of two reasons 1) WebLogic Server (which you are trying to […]
Read MoreBlank Screen on OAM 10g Identity Server Console : /identity/oblix
Oracle Access Manager (OAM) 10g consists of two type of components Identity System and Access System. For OAM 10g architecture and components click here . In OAM 11g, there is NO identity system (Identity functions in OAM 11g are moved to another product called Oracle Identity Manager– OIM), for list of changes (difference) between OAM 10g and OAM […]
Read MoreOracle WebLogic Server Certification : 1Z0-108 Practice Question and Dumps
I discussed about Oracle Weblogic Server Certification (1Z0-108) in Jan 2010 here and since then I have been postponing my WebLogic Certification for some reason or other (mainly because of my hectic work schedule). Last week, I received an email from UCertify regarding their certification kit which is available for mostly all Oracle Certifications including OCP 11i (Apps […]
Read MoreOAM integration with Oracle Fusion Middleware (Webcenter) for SSO : Reader’s Question
I am excited to share that pre-launch of my book “Oracle Identity and Access Manager 11g for Administrator” is big success (sold 100+ copies in first 45 days). This book can be ordered online from Packtpub Website with hard copies expected to be available by mid September. If you have purchased this book and have suggestion […]
Read MoreHow to reset Lost Oracle WebLogic Password for Fusion Middleware Applications
For WebLogic server, during domain creation screen you create a user weblogic (this could be any name used during domain creation screen) and set password (user and password is stored in weblogic’s embedded LDAP server in hashed format which makes it impossible to decrypt) . This user (weblogic) is then used to login to WebLogic Console and […]
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