ORA-27371: jobs of type EXECUTABLE are not supported on this platform
Cause : The user tried to create a job or program of type EXECUTABLE on a platform where such jobs are not supported.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Switch to a different platform or create a different type of job or program.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.