The WA server show some errors while startup after oracle server version upgrade from 18 to version 19, the oracle client on Workload Automation AE server did not change
[04/16/2020 15:58:42] CAUAJM_I_40275 Log Rollover level set to <MIDNIGHT,SIZE(100),PURGE(7)>.
[04/16/2020 15:58:42] CAUAJM_I_40244 EnableIPCaching value set to <1>.
[04/16/2020 15:58:42] CAUAJM_I_40244 LogMaxEndLines value set to <2,000>.
[04/16/2020 15:58:42] CAUAJM_I_10655 System is running in single server mode. Event server: AEDBSDC.
[04/16/2020 15:58:45] CAUAJM_E_18407 Failed to connect to Oracle server: AEDBSDC
[04/16/2020 15:58:45] CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
[04/16/2020 15:58:45] CAUAJM_E_18401 Function <Olog> invoked from <openProc> failed <154>
[04/16/2020 15:58:45] CAUAJM_E_18402 ORA-12557: TNS:protocol adapter not loadable
[04/16/2020 15:58:45] CAUAJM_E_10649 Server AEDBSDC was not available during connection operation.
[04/16/2020 16:00:39] CAUAJM_E_18407 Failed to connect to Oracle server: AEDBSDC
[04/16/2020 16:00:39] CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
[04/16/2020 16:00:39] CAUAJM_E_18401 Function <Olog> invoked from <openProc> failed <154>
[04/16/2020 16:00:39] CAUAJM_E_18402 ORA-12557: TNS:protocol adapter not loadable
[04/16/2020 16:00:39] CAUAJM_E_10649 Server AEDBSDC was not available during connection operation.
[04/16/2020 16:01:39] CAUAJM_E_18407 Failed to connect to Oracle server: AEDBSDC
[04/16/2020 16:01:39] CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
[04/16/2020 16:01:39] CAUAJM_E_18401 Function <Olog> invoked from <openProc> failed <154>
[04/16/2020 16:01:39] CAUAJM_E_18402 ORA-12557: TNS:protocol adapter not loadable
[04/16/2020 16:01:39] CAUAJM_E_10649 Server AEDBSDC was not available during connection operation.
[04/16/2020 16:02:39] CAUAJM_E_18407 Failed to connect to Oracle server: AEDBSDC
[04/16/2020 16:02:39] CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
[04/16/2020 16:02:39] CAUAJM_E_18401 Function <Olog> invoked from <openProc> failed <154>
[04/16/2020 16:02:39] CAUAJM_E_18402 ORA-12557: TNS:protocol adapter not loadable
[04/16/2020 16:02:39] CAUAJM_E_10649 Server AEDBSDC was not available during connection operation.
[04/16/2020 16:03:39] CAUAJM_E_18407 Failed to connect to Oracle server: AEDBSDC
[04/16/2020 16:03:39] CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
[04/16/2020 16:03:39] CAUAJM_E_18401 Function <Olog> invoked from <openProc> failed <154>
[04/16/2020 16:03:39] CAUAJM_E_18402 ORA-12557: TNS:protocol adapter not loadable
[04/16/2020 16:03:39] CAUAJM_E_10649 Server AEDBSDC was not available during connection operation.
[04/16/2020 16:04:39] CAUAJM_E_18407 Failed to connect to Oracle server: AEDBSDC
[04/16/2020 16:04:39] CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
[04/16/2020 16:04:39] CAUAJM_E_18401 Function <Olog> invoked from <openProc> failed <154>
[04/16/2020 16:04:39] CAUAJM_E_18402 ORA-12557: TNS:protocol adapter not loadable
[04/16/2020 16:04:39] CAUAJM_E_10649 Server AEDBSDC was not available during connection operation.
Release : 11.3.6 SP6
Component : CA Workload Automation AE (AutoSys)