XML File in External Table - OS error permission denied.

Question

Hi.
10g R2, Red Hat Linux
I'm using the article (see below, taken from http://www.dbazine.com/olc/olc-articles/scardina1 by Mark Scardina) to create an external table where I'd store my XML file.
So, I
1. Created a directory xmlfile_dir
2. Granted access to needed db user
3. Created the table
CREATE TABLE relayxml_xt (doc CLOB)
ORGANIZATION EXTERNAL
TYPE ORACLE_LOADER
DEFAULT DIRECTORY xmlfile_dir
ACCESS PARAMETERS
FIELDS (lobfn CHAR TERMINATED BY ',')
COLUMN TRANSFORMS (doc FROM lobfile (lobfn))
LOCATION ('xml.dat')
REJECT LIMIT UNLIMITED;
4. mv relay.xml /xmlfile_dir/xml.dat
When I run SELECT * FROM relayxml_xt I get this:
Error starting at line 1 in command:
select * from relayxml_xt
Error report:
SQL Error: ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04063: unable to open log file RELAYXML_XT_28773.log
OS error Permission denied
ORA-06512: at "SYS.ORACLE_LOADER", line 19
29913. 00000 - "error in executing %s callout"
*Cause:    The execution of the specified callout caused an error.
*Action:   Examine the error messages take appropriate action.
What am I doing wrong?
Thanks,
Using External Tables
Introduced in Oracle9i, Oracle’s external table feature offers a solution to define a table in the database while leaving the data stored outside of the database. Prior to Oracle Database 10g, external tables can be used only as read-only tables. In other words, if you create an external table for XML files, these files can be queries and the table can be joined with other tables. However, no DML operations, such as INSERT, UPDATE, and DELETE, are allowed on the external tables.
Note: In Oracle Database 10g , by using the ORACLE_DATAPUMP driver instead of the default ORACLE_DRIVER, you can write to external tables. In Oracle Database 10g, you can define VARCHAR2 and CLOB columns in external tables to store XML documents. The following example shows how you can create an external table with a CLOB column to store the XML documents. First, you need to create a DIRECTORY to read the data files:
CREATE DIRECTORY data_file_dir AS 'D:\xmlbook\Examples\Chapter9\src\xml';
GRANT READ, WRITE ON DIRECTORY data_file_dir TO demo;
Then, you can use this DIRECTORY to define an external table:
CREATE TABLE customer_xt (doc CLOB)
ORGANIZATION EXTERNAL
TYPE ORACLE_LOADER
DEFAULT DIRECTORY data_file_dir
ACCESS PARAMETERS
FIELDS (lobfn CHAR TERMINATED BY ',')
COLUMN TRANSFORMS (doc FROM lobfile (lobfn))
LOCATION ('xml.dat')
REJECT LIMIT UNLIMITED;
The xml.dat file follows:
customer1.xml
customer2.xml
If you describe the table, you can see the following definition:
SQL> DESC customer_xt;
Name Null? Type
DOC CLOB
Then, you can query the XML document as follows:
SELECT XMLType(doc).extract('/Customer/EMAIL')
FROM customer_xt;
Though the query requires run-time XMLType creation and XPath evaluation, this approach is useful when applications just need a few queries on the XML data and don’t want to upload the XML data into database. In Oracle Database 10g, you cannot create external tables that contain pre-defined XMLType column types.
Message was edited by:
vi2167

Answer 1

Your don't have the proper operating system privileges. Be sure that you (=oracle OS user / the OS Linux user that is starting the database) are allowed have read privs on the path and/or file.
for example...
chown -Rf /xxxxxxx/xxxx/etc
ls -l file.xml
file.xml    oracle:oinstall    rw-rw-rw