Invalid_path exception while using UTL_FILE.FOPEN

Question

Hi
I am getting invalid_path exception while using the UTL_FILE.fopen subprogram. I tried finding out the reason but could not solve it. Please help.
Below is my piece of code.
create directory utldr as 'e:\utldir';
declare
f utl_file.file_type;
s varchar2(200);
begin
dbms_output.put_line('1');
f := utl_file.fopen('UTLDR','utlfil.txt','r');
dbms_output.put_line('2');
utl_file.get_line(f,s);
dbms_output.put_line('3');
utl_file.fclose(f);
dbms_output.put_line('4');
dbms_output.put_line(s);
exception
when utl_file.invalid_path then
dbms_output.put_line('invalid_path');
end;
the result is:
1
invalid_path

Answer 1

I am executing it from sys. The same user who created the directory.
The output is as below:
SELECT * FROM dba_directories
OWNER     DIRECTORY_NAME     DIRECTORY_PATH
SYS     MEDIA_DIR      d:\avale\rel4\demo\schema\product_media\
SYS     LOG_FILE_DIR     d:\avale\rel4\assistants\dbca\logs\
SYS     DATA_FILE_DIR     d:\avale\rel4\demo\schema\sales_history\
SYS     EMP_DIR     E:\Oracle Directory
SYS     REMOTED     \\10.1.1.12\oracle directory
SYS     UTLDR     e:\utldir
SELECT * FROM dba_tab_privs WHERE table_name='UTLDR'
GRANTEE     OWNER     TABLE_NAME     GRANTOR     PRIVILEGE     GRANTABLE     HIERARCHY
PUBLIC     SYS     UTLDR     SYS     READ     NO     NO