If you get this type of error then follow below fix

Error:

RCU-6083:Failed - Check prerequisites requirement for selected component:OIM
Please refer to RCU log at /u01/app/oracle/logdir.2015-07-23_18-26/rcu.log for details.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Error:  XATRANS Views are not installed on this Database. This is required by the OIM Schema
  Action: Install view XAVIEWS as SYS user on this Database.
   Refer to the Oracle Database Release Documentation for installation details.
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

RCU-6092:Component Selection validation failed. Please refer to log at /u01/app/oracle/logdir.2015-07-23_18-26/rcu.log for details.

Fix:

sqlplus "/as sysdba"

@<ORACLE_HOME>/javavm/install/initxa.sql
@<ORACLE_HOME>/rdbms/admin/xaview.sql


and also check the below parameters


Run the following commands:

   show parameters PROCESSES (should be more 300)
   show parameters NLS_LENGTH_SEMANTICS  (should be BYTE)
   show parameters SHARED_POOL_SIZE (should be more 147456KB)
   show parameters SGA_MAX_SIZE (should be more 147456KB)
   show parameters DB_BLOCK_SIZE (is greater than or equal to 8KB)

   show parameters OPEN_CURSORS (should be more 800)