upgrade database & owb from 10.2.0.2 to 10.2.0.4

Hi  Experts,
I have a task to upgrade the oracle database from 10.2.0.2 to 10.2.0.4 on SunOS sparc 64bit.
Following are the components installed on to the database.
OWB Repository, JVM, XML DB, Workflow.
I need to upgrade the database and owb to 10.2.0.4.
Can you please provide me the steps to upgrade the database and owb from 10.2.0.2 to 10.2.0.4.
will the java classes get invalid after the upgrade? do i need to take any action for JVM and XML before or after the upgrade.
Please suggest.

Following was the upgrade results from a testing envi where I have more focus on Java objects.

Oracle Database 10.2 Upgrade Status Utility           08-20-2008 15:54:23
.
Component                                Status         Version  HH:MM:SS
Oracle Database Server                    VALID      10.2.0.4.0  00:13:33
JServer JAVA Virtual Machine            LOADING      10.2.0.2.0  00:02:18
Oracle XDK                                VALID      10.2.0.4.0  00:00:00
Oracle Database Java Packages           LOADING      10.2.0.2.0  00:00:00
Oracle XML Database                       VALID      10.2.0.4.0  00:02:34
Oracle Workspace Manager                  VALID      10.2.0.4.3  00:00:55
Oracle Data Mining                        VALID      10.2.0.4.0  00:00:26
OLAP Analytic Workspace                   VALID      10.2.0.4.0  00:00:18
OLAP Catalog                              VALID      10.2.0.4.0  00:00:58
Oracle OLAP API                         INVALID      10.2.0.4.0  00:00:29
Oracle Expression Filter                INVALID      10.2.0.4.0  00:00:10
.
Total Upgrade Time: 00:21:46

Please let me know if you need any additional info.



Thanks for your support.
blazin_sunAsked:
Who is Participating?
 
schwertnerConnect With a Mentor Commented:
To upgrade the Oracle Db to higher version see
the README.HTM file in your upgrade kit.

To upgrade OWB see instructions here:

http://download.oracle.com/docs/cd/B31080_01/doc/install.102/b28224/upgrade_03.htm
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blazin_sunAuthor Commented:
I did read those documents, but its not clear on the owb upgrade perspective. Can you provide me with any sequence of steps and the order we need to do the upgrades for both the database and OWB with out invalidating the Java packages.

I tried the above doc and resulted with the java packages invalid.

Thanks
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schwertnerCommented:
It is relatively easy to upgrade the DB.

For OWB the above is the only appropriate documentation.
If you run into errors search in Internet and i am sure you will find the cause.
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