Usage of UTL_FILE

Question

Hi Guys,
I am new to UTL_FILE. I am using system user account. I wrote two stored procedures using this. Compilation is OK. But when I execute I have following error:
SQL> exec write_file
BEGIN write_file; END;
ERROR at line 1:
ORA-06510: PL/SQL: unhandled user-defined exception
ORA-06512: at "SYS.UTL_FILE", line 98
ORA-06512: at "SYS.UTL_FILE", line 157
ORA-06512: at "SYSTEM.WRITE_FILE", line 9
ORA-06512: at line 1
Line 9 is
9 lft_file_hdle := UTL_FILE.FOPEN(ls_file_path, ls_file_name, 'W');
The Stored Procedure is:
SQL> CREATE OR REPLACE PROCEDURE write_file AS
2 lft_file_hdle UTL_FILE.FILE_TYPE;
3 ls_bfr_line VARCHAR2(1000);
4 ls_file_path VARCHAR2(75) := 'c:\';
5 ls_file_name VARCHAR2(75) := 'Results_';
6
7 Begin
8 ls_file_name := ls_file_name| |to_char(sysdate, 'dd-mm-yyyy')| |'.txt';
9 lft_file_hdle := UTL_FILE.FOPEN(ls_file_path, ls_file_name, 'W');
10 UTL_FILE.PUT_LINE(lft_file_hdle, 'abc');
11 UTL_FILE.FCLOSE(lft_file_hdle);
12 End;
13 /
Procedure created.
1000 thanks in anticipation
r@m@

Answer 1

Define valid utl_file directories in init.ora e. g. for UNIX:
utl_file_dir = /usr/oracle/utlfile/,/cqddata_10/exports/
Separate them by commmas, include the last '/' after the path.
You can check to see what directories are valid:
SQL> select name, value from v$parameter where name like '%utl%';
NAME
VALUE
utl_file_dir
/usr/oracle/utlfile/, /cqddata_10/exports/
null