运行.sql文件时出现shell脚本错误

Question

从shell脚本调用.sql文件时，会检索所需的数据，但在完成后会显示以下错误。

WHENEVER:  not found.
SET:  not found.
SET:  not found.
SET:  not found.

运行命令

sqlplus -s user/pasd@oracle_sid @file.sql

file.sql

WHENEVER SQLERROR EXIT 1
SET TERMOUT   OFF
SET ECHO      OFF
SET EMBEDDED  ON
SET FEEDBACK  OFF
SET HEADING   OFF

spool file.log
select 'xyz' from dual;

spool off;
exit;