adrci DIA-48494

[oracle@localhost ~]$ adrci

ADRCI: Release 12.1.0.1.0 - Production on Wed Apr 22 18:36:13 2020

Copyright (c) 1982, 2013, Oracle and/or its affiliates.  All rights reserved.

No ADR base is set
adrci> show incident;
DIA-48494: ADR home is not set, the corresponding operation cannot be done

adrci> set base /u01/app/oracle
adrci> show incident;

ADR Home = /u01/app/oracle/diag/asm/+asm/+ASM:
*************************************************************************
0 rows fetched

ADR Home = /u01/app/oracle/diag/tnslsnr/localhost/listener:
*************************************************************************
0 rows fetched