Archive Monthly Archives: August 2011

Coherence 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 […]

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Installing 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 […]

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Oracle 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 […]

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How to configure Oracle Internet Directory with a new configuration set?

This post talks about configuring OID with a new configuration set. First of all, let me tell you the necessity of a configuration set. OID by default uses configuration set 0 with certain pre-defined options. To dump the default config set into an ldif file use the below command: ldapsearch -p <port> -h <host> -D […]

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WebLogic 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 […]

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Blank 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 […]

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Oracle 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 […]

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Dump Core files issue

In today’s post I am going to covers dump core issues. Problem Description: This is the main production environment. The environment has Portal and Oracle Access Manager Products installed in different servers. OAM is using OID as user store. The Portal 11g application is accessible and working fine without SSO integration. The Portal 11g is […]

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Identity server: Error: bind :Address already in use

Problem Description: The environment has OAS and Oracle Access Manager Products installed in same node. OIS service not coming up using ‘oracle’ user and its throwing some error. The Error is Identity server:  Error: bind: Address already in use Cause:  OIS service is started by root user instead of oracle user. OIS port is used […]

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After Replication, OC4J not coming up

Problem Description: We have two environment, Main production instance and Disaster Recovery instance. The environment has OAS and Oracle Access Manager Products installed in same serversOC4J service not coming up in DR nodes after DB replication from production to DR. Cause: Actually we faced some issues in production nodes and we have replaced the old […]

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