ORA-39070 Error when using datapump and writing to ASM storage

Question

I am able to export data using datapump when i write to a file system. However, when i try to write to an ASM storage, i get the following errors.
ORA-39002: invalid operation
ORA-39070: Unable to open the log file.
ORA-29283: invalid file operation
ORA-06512: at "SYS.UTL_FILE", line 536
ORA-29283: invalid file operation
below are the steps i tooks.
create or replace directory jp_dir2 as '+DATA/DEV01/exp_dir';
grant read,write on directory jp_dir2 to jpark;
expdp username/password schemas=testdirectory=jp_dir2 dumpfile=test.dmp log=test.log
Edited by: user564785 on Aug 25, 2011 6:49 AM

Answer 1

google: expdp ASM
first hit:
http://asanga-pradeep.blogspot.com/2010/08/expdp-and-impdp-with-asm.html
"Log files created during expdp cannot be stored inside ASM, for log files a directory object that uses OS file system location must be given. If not following error will be thrown
ORA-39002: invalid operation
ORA-39070: Unable to open the log file.
ORA-29283: invalid file operation
ORA-06512: at "SYS.UTL_FILE", line 536
ORA-29283: invalid file operation
"