ORA-27087: unable to get share lock - file not readable

Cause : share lock request was made on a file not open for read access.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

file must be open read-only or read-write to get a share lock.

update : 27-06-2017
ORA-27087

ORA-27087 - unable to get share lock - file not readable
ORA-27087 - unable to get share lock - file not readable

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    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.