Can't open file while loading CLOB

Question

Following the examples on this forum, I've written the following:
CREATE DIRECTORY doc_dir AS 'C:\Documents' ;
DECLARE
source_file BFILE := BFILENAME('doc_dir', 'test_document.doc');
dest_lob CLOB;
amount INTEGER := 4000;
BEGIN
DBMS_LOB.FILEOPEN(source_file, DBMS_LOB.FILE_READONLY) ;
DBMS_LOB.LOADFROMFILE(dest_lob, source_file, amount) ;
COMMIT ;
DBMS_LOB.FILECLOSE(source_file) ;
END ;
This fails with the following message in SQLPlus:
DECLARE
ERROR at line 1:
ORA-22285: non-existent directory or file for FILEOPEN operation
ORA-06512: at "SYS.DBMS_LOB", line 523
ORA-06512: at line 9
Both the directory and file are definitely there, so what gives? Any ideas?

Answer 1

tell you what take this code.
SQL> create table test_data(id number, clob_data clob)
  2  /
Table created.
SQL>
SQL> declare
  2    l_clob      clob ;
  3    file_loc    bfile := bfilename('DIR_SWF', 'test2.glt2fe_expanded_cs');
  4    l_lang_ctx  number := 0;
  5    l_Warning   number :=0;
  6    l_src       number :=1;
  7    l_dest      number :=1;
  8  begin
  9      dbms_lob.createtemporary(l_clob, TRUE);
10      dbms_lob.fileopen(file_loc, dbms_lob.file_readonly);
11      dbms_lob.loadclobfromfile(l_clob, file_loc, dbms_lob.lobmaxsize, l_Src,l_dest, 0,l_lang_ctx, l_Warning);
12      dbms_output.put_line(dbms_lob.getlength(l_clob));
13      insert into test_Data values(1,l_clob);
14      dbms_lob.fileclose(file_loc);
15  end;
16  /
PL/SQL procedure successfully completed.
SQL>
SQL> select dbms_lob.getlength(clob_data) from test_data
  2  /
DBMS_LOB.GETLENGTH(CLOB_DATA)                                                  
                         6727                                                   change the filename if it is not correct in the below code.
create table test_data(id number, clob_data clob)
declare
  l_clob      clob ;
  file_loc    bfile := bfilename('DOC_DIR', 'test_documents.txt');
  l_lang_ctx  number := 0;
  l_Warning   number :=0;
  l_src       number :=1;
  l_dest      number :=1;
begin
    dbms_lob.createtemporary(l_clob, TRUE);
    dbms_lob.fileopen(file_loc, dbms_lob.file_readonly);
    dbms_lob.loadclobfromfile(l_clob, file_loc, dbms_lob.lobmaxsize, l_Src,l_dest, 0,l_lang_ctx, l_Warning);
    dbms_output.put_line(dbms_lob.getlength(l_clob));
    insert into test_Data values(1,l_clob);
    dbms_lob.fileclose(file_loc);
end;
select dbms_lob.getlength(clob_data) from test_data
/