Expdp throwing an error in brand new database(Version 12.2.0.1.0) just created

Hi gurus,

I have created a brand new 12.2.0.1.0 EE database on el6uek.x86_64 server.

I plan to use this database for production once I complete all set up.

At this moment I am testing whether I can do full database export using expdp utility.

For doing this I have created a user called dp_user and granted him the following grants.

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grant  DATAPUMP_EXP_FULL_DATABASE to dp_user;

grant datapump_imp_full_database to dp_user;

GRANT read, write on directory dump_dir TO dp_user;

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Then I ran the following export statement which is embedded in sql script: