1.SQLNET.ALLOWED_LOGON_VERSION=8
是用來解決客戶端連接Oracle 12c的時候,報錯誤: ORA-28040: No matching authentication protocol
但是也帶來一個問題 alert 日志大量的產生 如下提示:
2020-05-06T12:28:43.221758+08:00
Using deprecated SQLNET.ALLOWED_LOGON_VERSION parameter.
Using deprecated SQLNET.ALLOWED_LOGON_VERSION parameter.
2020-05-06T12:28:43.253965+08:00
Using deprecated SQLNET.ALLOWED_LOGON_VERSION parameter.
Using deprecated SQLNET.ALLOWED_LOGON_VERSION parameter.
2.修改$ORACLE_HOME/network/admin/sqlnet.ora ,可以解決這個問題。
from
SQLNET.ALLOWED_LOGON_VERSION=8
to
SQLNET.ALLOWED_LOGON_VERSION_SERVER=8