Preparation been made this year for Oracle open world conference 2009. The conference will take place in San Francisco between 11-15 Oct. there is a high chance that I will attend this conference. I will post here again once confirmed so we can meet there if any one is planning to attend. I will use this chance of attending to back to blogging again as its been a while since I last update my blog.
For more information about OOW 2009 please check http://www.oracle.com/openworld/index.html

Today I received an email from my friend mohammad muhtadi telling me that Oracle Corporation the largest enterprise software company acquired Sun Microsystems and thought of sharing that with you.
http://www.sun.com/aboutsun/media/presskits/2009-0420/index.jsp
http://www.oracle.com/sun/index.html

I faced the following error while configuring database when cloning apps 11i with 10g database and it happens directly after entering the path of the third data_top (by the way the script will always assume you have 4 data_tops even if you have more/less data_tops)

StackTrace:
java.lang.NullPointerException
at oracle.apps.ad.context.CloneContext.createContextFileForDbhomes(CloneContext.java:2816)
at oracle.apps.ad.context.CloneContext.getInputFromUsers(CloneContext.java:1485)
at oracle.apps.ad.context.CloneContext.doClone(CloneContext.java:627)

Dears,
As a part of my study in my masters program we have to create a blog related to e-business course and it must be evaluated and one of the evaluation criteria is the number of users accessing it and comments so if you have free time can you access it and leave comments the blog has a good and helpful information.

Please read http://oracle-magic.blogspot.com/2008/02/add-new-node-to-apps.html before reading the steps below,

After finishing configuring the clone instance by running adcfgclone.pl I had to run the adaddnode.pl script according to note 464018.1.
While running adaddnode.pl I faced the following error
ERROR at line 1:
ORA-00001: unique constraint (APPLSYS.AD_APPL_TOPS_U2) violated
ORA-06512: at line 16

Oracle Community
it the new site for oracle social networking, http://www.oraclecommunity.net/to make oracle community even smaller.

enjoy
Fadi

A customer want to add new web/forms node to his current multi-node apps 11.5.10.2 production system also we have to configure a web cache load balancer.
The current system is 2 nodes (db node, apps tire node).
I am currently doing the configuration on test environment, I followed note (

Dears apps dbas,
I hope thing are well with you, I received the following questions from a friend of mine and I promised him to answer them and wanted to share them with you maybe you can help me answer most of them.
Appreciate your help.

(we have some of the answers by dave (thank you) in the comments and all of them under http://www.teachmeoracle.com/forum/viewtopic.php?t=4102)

1. How do we know that particular instance is cloned or normal installed?

Gareth Roberts tagged me in the current round of OraBlog tag, you can check the rules.

Below are the 8 things you might not know about me:

1- Athens, Greece, Masters: I am currently doing my masters in managing business innovation and technology thurogh a scholarship here in Athens, Greece.