unable to export database from postgres

Hi

I have a database in that i have 2 schema's
1.myschema
2.public (it does not contains data)

All my database tables, views and functions are in adempiere schema

When i Export the database it gives 0 bytes dump.sql.gz file

the database structure look like

http://postgresql.1045698.n5.nabble.com/file/n3323398/postgres.png

please help me

thanks in advance
--
View this message in context: http://postgresql.1045698.n5.nabble.com/unable-to-export-database-from-postgres-tp3323398p3323398.html
Sent from the PostgreSQL - bugs mailing list archive at Nabble.com.