sql>select job_name,status,additional_info from user_scheduler_job_details;

EXP_JOB

JOB_NAME
--------------------------------------------------------------------------------
STATUS
------------------------------
ADDITIONAL_INFO
--------------------------------------------------------------------------------
FAILED
ORA-27369: job of type EXECUTABLE failed with exit code: 255
STANDARD_ERROR="execve: Exec format error"

EXP_JOB
FAILED
ORA-27369: job of type EXECUTABLE failed with exit code: 255

$ORACLE_HOME/bin/extjob
chmod a+rx $ORACLE_HOME/bin/extjob 或者使用命令chmod a+rx {you_script}

sql>select job_name,status,additional_info from user_scheduler_job_details;

EXP_JOB

JOB_NAME
--------------------------------------------------------------------------------
STATUS
------------------------------
ADDITIONAL_INFO
--------------------------------------------------------------------------------
FAILED
ORA-27369: job of type EXECUTABLE failed with exit code: Operation not permitted

STANDARD_ERROR="
Export: Release 10.2.0.3.0 - Production on Thu Jun 5 12:51:39 2008

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

JOB_NAME
--------------------------------------------------------------------------------
STATUS
------------------------------
ADDITIONAL_INFO
--------------------------------------------------------------------------------

EXP-00056: ORACLE error 12162 encountered
ORA-12162: TNS:net service name"

在你的脚本中如果涉及有连接数据库时，即使是连接本地数据库也要使用连接字符串来连接数据库。