perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "us"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
后来把这个环境变量去掉后，再去执行DBUA，就很顺利的升级完成。
附错误信息：
*** WARNING: ERRORS FOUND DURING UPGRADE ***
1. Evaluate the errors found in the upgrade logs
and determine the proper action.
2. Rerun the upgrade when the problem is resolved
REASON:
ERRORS FOUND: During Upgrade
FILENAME: /u01/app/oracle/cfgtoollogs/dbua/upgrade2020-05-13_07-34-45AM/orcl/catupgrd0.log AT LINE NUMBER: 1072683
------------------------------------------------------
Identifier DATAPATCH_ 20-05-13 08:02:27
SCRIPT = [/u01/app/oracle/cfgtoollogs/dbua/upgrade2020-05-13_07-34-45AM/orcl/catupgrd_datapatch_upgrade.log]
ERROR = [Error: prereq checks failed!
]
STATEMENT = []
------------------------------------------------------
LOG FILES: (/u01/app/oracle/cfgtoollogs/dbua/upgrade2020-05-13_07-34-45AM/orcl/catupgrd*.log)
Upgrade Summary Report Located in:
/u01/app/oracle/cfgtoollogs/dbua/upgrade2020-05-13_07-34-45AM/orcl/upg_summary.log