The following parameters are no longer needed in 12.2.x:
<env>.env.APPL_TOP
<env>.env.ORACLE_HOME
<env>.env.TWO_TASK
<env>.env.APPLFENV
<env>.env.CONTEXT_FILE
<env>.env.APPLTMP
<env>.env.APPLREP
<env>.env.LD_LIBRARY_PATH
However you need to make sure to have a new parameter called:
<env>.env.CONTEXT_NAME:<sid_hostname> sid_hostname is the usually configuration for this value. Yours
may be different. Ask your DBA
The CONTEXT_NAME parameter will tell stat oracle agent how to retrieve your product tops, oracle_home and etc. Prior to Oracle 12.2.x, Stat could just query for a table to determine whether or not it is a custom_top by looking for the letter L in the returned results. Unfortunately this is no longer true for 12.2.x. Therefore you should add this parameter to the stat.conf file:
<env>.env.CUSTOM_PRODUCTS: (enter_custom_product, enter_custom_product)
For R12.2, when a custom top is created using adsplice, a new Product's status is not set to 'L'. The <env>.env.CUSTOM_PRODUCTS parameter keeps track of custom products. Value is a comma separated list of custom products, for example (XXQUEST).
If you are migrating in Stat using Oracle 12.2.x, Stat will give you the option to migrate to run, patch or both edition. It is up to the users to decide whether they want to migrate to run, patch or both. Please take a look at the patch upgrade instructions for more information regarding to 12.2.x