XDK 10.1.0.2.0 NT XMLType and org.w3c.dom.Document problem/bug?

Hi Chaps,
I have Oracle 11g1 server side and am using the Oracle XDK 10.1.0.2.0 for Windows client side with Sun Java JDK 6 (1.6.0_06-b02).
(I couldnt find an XDK for 11g1???)
I have a table in my database that has an XMLType, its a very simple table -
CREATE TABLE hcr_xml_test
RRN VARCHAR(24) PRIMARY KEY,
ClipID VARCHAR2(27),
Lodgement XMLType
XMLTYPE COLUMN Lodgement
STORE AS OBJECT RELATIONAL
ELEMENT "/www.hcrregister.com/RequestServices/Messages/ConditionReportCreateRequest_1.xsd#ConditionReportCreateRequest_1"
Thats all fine, however with the XDK I am trying to construct an XMLType for use with JDBC from a valid org.w3c.dom.Document so that I can insert a row into my table. My code looks like this -
XMLType xml = new XMLType(realCon, doc);
stmt = (OraclePreparedStatement) realCon.prepareStatement(sql);
stmt.setString(1, id.getRRN());
stmt.setString(2, id.getCenteraClipID());
stmt.setObject(3, xml);
stmt.execute();
doc is a org.w3c.dom.Document
realCon is a java.sql.Connection
That code throws a SQLException at the line "stmt.setObject(3, xml);" -
java.sql.SQLException: Fail to convert to internal representation
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:112)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:173)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:229)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:403)
at oracle.sql.OPAQUE.<init>(OPAQUE.java:85)
at oracle.xdb.XMLType.toDatum(XMLType.java:480)
at oracle.jdbc.driver.OraclePreparedStatement.setORADataInternal(OraclePreparedStatement.java:7437)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:8158)
at oracle.jdbc.driver.OraclePreparedStatement.setObject(OraclePreparedStatement.java:8149)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.setObject(OraclePreparedStatementWrapper.java:229)
at uk.co.landmarkinfo.registers.datawarehouse.tools.oracle.lodgementloader.DocumentProcessor.run(DocumentProcessor.java:232)
Inspecting the exception I can see that the vendorCode is 17059.
If I use "XMLType xml = XMLType.createXML(realCon, doc);" then xml is null instead of throwing a SQLException, so something isnt working here...
However, if I serialize my Document to a String first and give that String to either the XMLType Constructor or XMLType.createXML() then it all works fine -
/////TEMP
Transformer transformer = saxTransformerFactory.newTransformer();
transformer.setOutputProperty("omit-xml-declaration", "no");
transformer.setOutputProperty("indent", "yes");
ByteArrayOutputStream baos = new ByteArrayOutputStream();
transformer.transform(new DOMSource(doc), new StreamResult(baos));
XMLType stringXML = new XMLType(realCon, new String(baos.toByteArray()));
////END TEMP
stmt = (OraclePreparedStatement) realCon.prepareStatement(sql);
stmt.setString(1, id.getRRN());
stmt.setString(2, id.getCenteraClipID());
stmt.setObject(3, stringXML);
stmt.execute();
But why do I need to serialize to a String first??? Looking at the javadoc I dont think I should have to do this. So is there a problem in Oracles XDB handling of Document or have I missed something?

Anyone has any idea? Please help!!!
xu

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<?xml version="1.0"?>
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xmlns:isbn=''urn:ISBN:0-395-36341-6''>
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The code I used to test is at the end of this message.
Thanks in advance
====================================
DECLARE
xml varchar2(32000);
xmlt XMLType;
xmlt1 XMLType;
root varchar2(3000);
BEGIN
--Example from w3c.org
xml := '<?xml version="1.0"?>
<bk:book xmlns:bk=''urn:loc.gov:books''
xmlns:isbn=''urn:ISBN:0-395-36341-6''>
<bk:title>Cheaper by the Dozen</bk:title>
<isbn:number>1568491379</isbn:number>
</bk:book>';
xmlt := XMLType( xml );
root := xmlt.getRootElement();
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2 from (select XMLTYPE('<myroot><mychild>test</mychild></myroot>') as xml from dual) t
3 ;
T.XML.EXTRACT('MYROOT')
<myroot>
<mychild>test</mychild>
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SQL> ed
Wrote file afiedt.buf
1 select t.xml.extract('myroot')
2* from (select XMLTYPE('<myroot xmlns="fred"><mychild>test</mychild></myroot>') as xml from dual) t
3 /
T.XML.EXTRACT('MYROOT')
--------------------------------------------------------------------------------------------------------Extract, specifying the namespace to extract from and now returns the result...
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Wrote file afiedt.buf
1 select t.xml.extract('myroot', 'xmlns="fred"')
2* from (select XMLTYPE('<myroot xmlns="fred"><mychild>test</mychild></myroot>') as xml from dual) t
SQL> /
T.XML.EXTRACT('MYROOT','XMLNS="FRED"')
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SQL>;)

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Characterset: US7ASCII
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Please post this message at:
Forums Home » Oracle Technology Network (OTN) » Products » Database » XML DB

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Rachel Hall wrote:
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Hello all,
I want to write a pl/sql functions that takes a clob as an input and return a some data extracted from the data passed into it.
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<FIXML xsi:schemaLocation="http://www.finacle.com/fixml executeFinacleScript.xsd" xmlns="http://www.finacle.com/fixml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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</FIXML>'
I want to extract the value of new_data.
I wrote the following anonymous block to test the code :
declare
xparam xmltype;
v_xpath varchar2(500);
begin
xparam:=xmltype('<FIXML xsi:schemaLocation="http://www.finacle.com/fixml executeFinacleScript.xsd" xmlns="http://www.finacle.com/fixml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <Header>
        <ResponseHeader>
            <RequestMessageKey>
                <RequestUUID>IVR201306180841060310000000000000000</RequestUUID>
                <ServiceRequestId>executeFinacleScript</ServiceRequestId>
                <ServiceRequestVersion>10.3</ServiceRequestVersion>
                <ChannelId>IVR</ChannelId>
            </RequestMessageKey>
            <ResponseMessageInfo>
                <BankId>01</BankId>
                <TimeZone></TimeZone>
                <MessageDateTime>2013-06-18T05:36:55.918</MessageDateTime>
            </ResponseMessageInfo>
            <UBUSTransaction>
                <Id/>
                <Status/>
            </UBUSTransaction>
            <HostTransaction>
                <Id/>
                <Status>SUCCESS</Status>
            </HostTransaction>
            <HostParentTransaction>
                <Id/>
                <Status/>
            </HostParentTransaction>
            <CustomInfo/>
        </ResponseHeader>
    </Header>
    <Body>
        <executeFinacleScriptResponse>
            <ExecuteFinacleScriptOutputVO>
                <executeFinacleScript_customData>
                    <DataCategory>ACC</DataCategory>
                    <New_Data>0001019300101001</New_Data>
                </executeFinacleScript_customData>
            </ExecuteFinacleScriptOutputVO>
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</FIXML>');
v_xpath:='//New_Data/text()';-
dbms_output.put_line(xparam.EXTRACT(v_xpath).GETSTRINGVAL());
end;
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dbms_output.put_line(xparam.EXTRACT(v_xpath).GETSTRINGVAL());
end;
Error at line 1
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ORA-06512: at line 46
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I am using oracle database 10g

Let me explain that the issue is not only related to Oracle.
If you google a bit for default namespace and Xpath you will find many topic.
Basically when you have an XML having a definition of namespace without a prefix:
i.e.:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Example XHTML document</title>
</head>
<body>
    <p>Sample content</p>
</body>
</html>
this means that all unprefixed elements are belonging to this default namespace.
In this case an Xpath equal to '//title/text()' will not get anything because it is assuming to find the element title within a null namespace. But title in this case is automatically assigned to the default namespace.
When you specify a prefix in a namespace then all elements without prefix are associated to namespace NULL. Using a default namespace is causing a lot of headache.
These links can be giving a clearer picture:
http://www.edankert.com/defaultnamespaces.html
Assuming that you have data like this:
WITH mydata AS
(   SELECT '
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Example XHTML document</title>
</head>
<body>
    <p>Sample content</p>
</body>
</html>' xmldata FROM DUAL
SELECT xmltype (xmldata).EXTRACT ('//title/text()').getstringval ()
FROM mydata;
This query will not give anything back to you. You will have to specify:
SELECT xmltype (xmldata).EXTRACT ('//title/text()', 'xmlns="http://www.w3.org/1999/xhtml"').getstringval ()
FROM mydata;
Note also that you should be able to get the default namespace when it is specified (without prefix) by using:
SELECT xmltype(xmldata).getnamespace() from mydata;
Post your Oracle version to see if it something related to your version. In mine I got this:
SQL*Plus: Release 11.2.0.1.0 Production on Thu Jun 20 18:32:58 2013
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> WITH mydata AS
2 (   SELECT '
3 <html xmlns="http://www.w3.org/1999/xhtml">
4    <head>
5      <title>Example XHTML document</title>
6    </head>
7    <body>
8      <p>Sample content</p>
9    </body>
10 </html>' xmldata FROM DUAL
11 )
12 SELECT xmltype(xmldata).getnamespace() from mydata;
XMLTYPE(XMLDATA).GETNAMESPACE()
http://www.w3.org/1999/xhtml
SQL>
If this would work, then it would be enough to add the optional additional parameter namespace. In case it is null it will be set as xmlsn="" and it will work anyway:
Please note that it will work both if the XML has a default namespace or not
i.e.:
with default namespace:
SQL> DECLARE
2     xparam         XMLTYPE;
3     v_xpath        VARCHAR2 (500);
4     v_ns           VARCHAR2 (500);
5 BEGIN
6     xparam :=
7        xmltype ('
8 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:ns="http://www.w3.org/1999/xhtml" >
9    <head>
10      <title>Example XHTML document</title>
11    </head>
12    <body>
13      <p>Sample content</p>
14    </body>
15 </html>');
16     v_xpath := '//title/text()';
17     v_ns := 'xmlns="' || xparam.getnamespace () || '"';
18     DBMS_OUTPUT.
19      put_line (
20        'Value of title:' || xparam.EXTRACT (v_xpath, v_ns).getstringval ());
21 END;
22 /
Value of title:Example XHTML document
PL/SQL procedure successfully completed.
SQL>
and without default namespace
SQL> DECLARE
2     xparam         XMLTYPE;
3     v_xpath        VARCHAR2 (500);
4     v_ns           VARCHAR2 (500);
5 BEGIN
6     xparam :=
7        xmltype ('
8 <html xmlns:ns="http://www.w3.org/1999/xhtml" >
9    <head>
10      <title>Example XHTML document</title>
11    </head>
12    <body>
13      <p>Sample content</p>
14    </body>
15 </html>');
16     v_xpath := '//title/text()';
17     v_ns := 'xmlns="' || xparam.getnamespace () || '"';
18     DBMS_OUTPUT.
19      put_line (
20        'Value of title:' || xparam.EXTRACT (v_xpath, v_ns).getstringval ());
21 END;
22 /
Value of title:Example XHTML document
PL/SQL procedure successfully completed.
Regards.
Al
Message was edited by: AlbertoFaenza
IF removed as it is working anyway.

Oracle9i XMLType and namespace declaration

Hi Folks,
I am using the new XMLType for storing XML data and when I want to insert a XML document that contains a namespace declaration
using sys.XMLType.createXML('<lom xmlns="http://www.imsglobal.org/xsd/imsmd_rootv1p2p1"...>...</lom>') function, nothing is inserted into the field and no error message is shown. If I remove the namespace declaration like: sys.XMLType.createXML('<lom>...</lom>') then it works.
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XMLType and uploading XML data

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<?xml version="1.0"?>
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//Assuming connection etc is properly established
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XMLType xmlStrXt = XMLType.createXML(conn, xmlStr);
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(OraclePreparedStatement) conn.prepareStatement
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conn.commit();
System.out.println("Record updated");
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Thanx in advance,
Chetan

Hi CC
So you need to take your current XML format to their XML format per their XSD schema. the Schema basically defines the structure for the final XML that they wish to receive. Publisher can help you with this ie converting from one schema (yours) to another (theirs) but it needs a template to apply to your data. This will take the form of an XSL document, Publisher does not provide a mapping tool to build this but Oracle does.
I recently wrote a blog article on using a JDeveloper tool to build the XSL for you. You load your base document ie the XML you are currently generating and the XSD file (schema) that has been provided to you and then visually map the source data to the target data.
More info in the blog article here - http://blogs.oracle.com/xmlpublisher/templates/xsl/
regards
Tim

XMLType and materialized subquery factoring

Hi,
Out of curiosity, I've been wondering what kind of storage is used when a view with an XMLType column gets materialized, for example via the WITH clause.
So I tried :
SQL> select * from v$version;
BANNER
Oracle Database 11g Express Edition Release 11.2.0.2.0 - Beta
PL/SQL Release 11.2.0.2.0 - Beta
CORE    11.2.0.2.0      Production
TNS for 32-bit Windows: Version 11.2.0.2.0 - Beta
NLSRTL Version 11.2.0.2.0 - Production
SQL> with t as (
2    select /*+ materialize */
3           xmltype('<root>Hello!</root>') as doc
4    from dual
5 )
6 select doc
7 from t
8 ;
with t as (
ERROR at line 1:
ORA-00600: internal error code, arguments: [kkdlsexp:qbcp], [], [], [], [], [],
[], [], [], [], [], []Apparently, that's bug #9372157 "WITH clause with XML causes OERI [kkdlsexp:qbcp]" which should have been fixed in 11.2.0.2, but maybe not in XE?
Well, my question is : could someone having access to a full 11.2.0.2 EE check it?
Below is a working example on a "regular" view, describing how to do it :
SQL> set autotrace on
SQL> with t as (
2    select /*+ materialize */
3           cast('Hello' as varchar2(30)) as text1,
4           cast('World' as varchar2(30)) as text2
5    from dual
6 )
7 select text1, text2
8 from t
9 ;
TEXT1                          TEXT2
Hello                          World
Execution Plan
Plan hash value: 2441519912
| Id | Operation                  | Name                     | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT           |                          |     1 |    34 |     4   (0)| 00:00:01 |
|   1 | TEMP TABLE TRANSFORMATION |                          |       |       |            |          |
|   2 |   LOAD AS SELECT           | SYS_TEMP_0FD9D6618_E893C |       |       |            |          |
|   3 |    FAST DUAL               |                          |     1 |       |     2   (0)| 00:00:01 |
|   4 |   VIEW                     |                          |     1 |    34 |     2   (0)| 00:00:01 |
|   5 |    TABLE ACCESS FULL       | SYS_TEMP_0FD9D6618_E893C |     1 |    34 |     2   (0)| 00:00:01 |
Statistics
          2 recursive calls
          8 db block gets
          4 consistent gets
          1 physical reads
        576 redo size
        487 bytes sent via SQL*Net to client
        419 bytes received via SQL*Net from client
          2 SQL*Net roundtrips to/from client
          0 sorts (memory)
          0 sorts (disk)
          1 rows processed
SQL> desc sys.SYS_TEMP_0FD9D6618_E893C
Name                        Null?    Type
C0                                   VARCHAR2(30)
C1                                   VARCHAR2(30)Thanks.

SQL> show parameter compatible
NAME                                 TYPE        VALUE
compatible                           string      11.2.0.0.0

XDK 10.1.0.2.0 NT XMLType and org.w3c.dom.Document problem/bug?

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