Xmldom.writeToBuffer truncates node content?

I'm facing a problem using
PROCEDURE writeToBuffer(n DOMNode, buffer IN OUT VARCHAR2);
Apparently the buffer gets truncated. Does anybody else have the same problem?

Sorry, it was my fault!
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Fabio Grassi:
I'm facing a problem using
PROCEDURE writeToBuffer(n DOMNode, buffer IN OUT VARCHAR2);
Apparently the buffer gets truncated. Does anybody else have the same problem?<HR></BLOCKQUOTE>
null

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I updated latest ESDK in jdev, I tried executing the "ClassGeneratorWizard" plugin from " Tools & right click project", in both the cases, after 3rd step ie. clicking "finish", i'm getting an error dialog saying "cannot create node content".
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About jdeveloper versions
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Seems like there is a slight problem with the following two lines :
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Hi all,
I have configured MS SQL database with WebLogic portal 10.2 without any error.
Then i successfully created around 142 nodes under repository. But after that, when i try to create any new node
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Truncated. see log file for complete stacktrace
weblogic.jdbc.base.BaseBatchUpdateException: [BEA][SQLServer JDBC Driver][SQLServer]Violation of PRIMARY KEY constraint 'PK_CM_PROPERTY'. Cannot insert duplicate key in object 'dbo.CM_PROPERTY'.
at weblogic.jdbc.sqlserver.SQLServerImplStatement.getBatchRowsAffectedCount(Unknown Source)
at weblogic.jdbc.base.BasePreparedStatement.executeBatch(Unknown Source)
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Truncated. see log file for complete stacktrace
>
Exception: com.bea.content.RepositoryException: weblogic.jdbc.base.BaseBatchUpdateException: [BEA][SQLServer JDBC Driver][SQLServer]Violation of PRIMARY KEY constraint 'PK_CM_PROPERTY'. Cannot insert duplicate key in object 'dbo.CM_PROPERTY'.
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Here's some snippets of a valid SQL*Server config which shows some of the important transaction-related settings regarding how the <domain>/config/jdbc/*.xml scripts should be configured:
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<driver-name>weblogic.jdbc.sqlserver.SQLServerDriver</driver-name>
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- portalDataSource-jdbc.xml:
<driver-name>weblogic.jdbc.sqlserver.SQLServerDriver</driver-name>
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          <global-transactions-protocol>OnePhaseCommit</global-transactions-protocol>
     </jdbc-data-source-params>
- portalDataSourceAlwaysXA-jdbc.xml
<driver-name>weblogic.jdbcx.sqlserver.SQLServerDataSource</driver-name>
     <jdbc-data-source-params>
<global-transactions-protocol>TwoPhaseCommit</global-transactions-protocol>
     </jdbc-data-source-params>
- p13nDataSource-jdbc.xml
          <driver-name>weblogic.jdbc.sqlserver.SQLServerDriver</driver-name>
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     </jdbc-data-source-params>
- cgDataSource-nonXA-jdbc.xml
<driver-name>weblogic.jdbc.sqlserver.SQLServerDriver</driver-name>
<jdbc-data-source-params>
<global-transactions-protocol>None</global-transactions-protocol>
</jdbc-data-source-params>
- cgDataSource-jdbc.xml
<driver-name>weblogic.jdbc.sqlserver.SQLServerDriver</driver-name>
<jdbc-data-source-params>
<global-transactions-protocol>EmulateTwoPhaseCommit</global-transactions-protocol>
</jdbc-data-source-params>
Also please take a look at the Database Administration guide at http://download.oracle.com/docs/cd/E13155_01/wlp/docs103/db/index.html -- it describes the process for creating the tables in your SQL*Server schema (necessary unless you do that via the config wizard)
-Steve

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Hello,
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The second argument is a string array type ..
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thanks for your help , it served me!
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Sometimes, the getNodeValue method truncate the content of the node I want to read.
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We're having the same problem. It would truncate after just a few characters, and does not happen all the times.
MH.
Hello
Sometimes, the getNodeValue method truncate the
content of the node I want to read.
I don't understant why...
I checked my XML with an XML validator, and it is ok.
And it seems that it truncates the text after a
specific number of characters (around 77).
Does somebody have encountered this before?
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I am trying to get the contents of an ELEMENT (node with a CDATA section) using xmldom.getNodeValue(). However, it seems that there is a MAXIMUM number of characters that I can get back.
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Help!

The use of "//" or "\\" appears to be a bug in JServer. It has
been filed. You should not specify the path as a shared
directory as a workaround.
Oracle XML Team
http://technet.oracle.com
Oracle Technology Network
Andre (guest) wrote:
: Oracle 8.1.5 database on NT
: When i try running the example with command:
: SQL*Plus> exec domsample
: ('//SERVER_03/ORACLE/xml_tmp','family.xml', 'err.txt');
: I get the following error:
: ERROR at line 1:
: ORA-20100: Error occurred while parsing:
: //ORACLE/xml_tmp/err.txt
: ORA-06512: at "OEF1_MGR.XMLPARSER", line 43
: ORA-06512: at "OEF1_MGR.XMLPARSER", line 120
: ORA-06512: at "OEF1_MGR.DOMSAMPLE", line 80
: ORA-06512: at line 1
: If i use backward-slashes '\' which should be OK for NT i get:
: ORA-20100: Error occurred while parsing:
: \\ORACLE\xml_tmp/err.txt
: I tried using a directory (create directory ...) but this
: results in the same error.
: Thus anyone now how it should be done?
: Thanks
null

How to retrieveText Node value

I am generating an xml doc containing two set of data (one from ord table corresponding to orderId passed to the stored proc from calling app) and then appending child nodes for the values coming as In parameter. When I try to get the value of text node of the child element which has been appended through code, I am getting no values (I could only get to the first child value by (<xsl:value-of select="/EQUITYCONNECT//text()"/>). If I have to get the values of ORD_ID,EXECSIDE and SECURITY node in /EQUITYCONNECT/EXECRPT, how will the XPATH expression coded. (<xsl:value-of select="/EQUITYCONNECT/EXECRPT/EXECSIDE/text()"/> returns null value.
Here is the code segment
PROCEDURE xmlRules(orderID NUMBER,execSide NUMBER,security VARCHAR2) IS
p xmlparser.Parser;
xmldoc xmldom.DOMDocument;
docnode xmldom.DOMNode;
newele xmldom.DOMElement;
newele1 xmldom.DOMElement;
newelenode xmldom.DOMNode;
newelenode1 xmldom.DOMNode;
textele xmldom.DOMText;
newtextelenode xmldom.DOMNode;
compnode xmldom.DOMNode;
nl xmldom.DOMNodeList;
n xmldom.DOMNode;
len number;
rootnode xmldom.DOMNode;
vbuffer varchar2(32767);
line varchar2(4000);
ordQueryCtx DBMS_XMLGen.ctxHandle;
execRpt CLOB;
result CLOB;
result1 CLOB;
xmlout VARCHAR2(4000);
strResult VARCHAR2(4000);
strResult1 VARCHAR2(4000);
prtOut VARCHAR2(255);
begin
-- new parser
p := xmlparser.newParser;
-- set some characteristics
xmlparser.setValidationMode(p, FALSE);
-- xmlparser.setErrorLog(p, dir || '/' || errfile);
xmlparser.setPreserveWhiteSpace(p, TRUE);
-- set up the query context...!
ordQueryCtx := DBMS_XMLGen.newContext('select * from ord where ord_id ='|| orderID);
dbms_xmlgen.setrowsettag(ordQueryCtx,'EQUITYCONNECT');
dbms_xmlgen.setrowtag(ordQueryCtx,'ORDER');
-- get the result..!
result := DBMS_XMLGen.getXML(ordQueryCtx);
-- Turn into string (test purposes only)
strResult := dbms_lob.SUBSTR(result);
-- parse xml file
xmlparser.parseclob(p,result);
-- get document
xmldoc := xmlparser.getDocument(p);
-- get all elements of document
nl := xmldom.getElementsByTagName(xmldoc, '*');
len := xmldom.getLength(nl);
-- check if number of element nodes are atleast 2
if len > 1 then
dbms_output.put_line('Document has more than two elements including Root');
-- get root element of document
rootnode := xmldom.item(nl,0);
-- get the element next to the root element
n := xmldom.item(nl, 1);
-- make node for dom document
docnode := xmldom.makeNode(xmldoc);
-- create a new element node
newele := xmldom.createElement(xmldoc, 'EXECRPT');
newelenode := xmldom.makeNode(newele);
newele1 := xmldom.createElement(xmldoc, 'ORD_ID');
newelenode1 := xmldom.makeNode(newele1);
compnode := xmldom.appendChild(newelenode, newelenode1);
-- create a new text node
textele := xmldom.createTextNode(xmldoc, orderID);
newtextelenode := xmldom.makeNode(textele);
-- append text node to element node
compnode := xmldom.appendChild(newelenode1, newtextelenode);
newele1 := xmldom.createElement(xmldoc, 'EXECSIDE');
newelenode1 := xmldom.makeNode(newele1);
compnode := xmldom.appendChild(newelenode, newelenode1);
-- create a new text node
textele := xmldom.createTextNode(xmldoc, execSide);
newtextelenode := xmldom.makeNode(textele);
-- append text node to element node
compnode := xmldom.appendChild(newelenode1, newtextelenode);
newele1 := xmldom.createElement(xmldoc, 'SECURITY');
newelenode1 := xmldom.makeNode(newele1);
compnode := xmldom.appendChild(newelenode, newelenode1);
-- create a new text node
textele := xmldom.createTextNode(xmldoc, security);
newtextelenode := xmldom.makeNode(textele);
-- append text node to element node
compnode := xmldom.appendChild(newelenode1, newtextelenode);
-- insert the node just after the parent node
newelenode := xmldom.insertBefore(rootnode, newelenode, n);
-- Perform these two operations to avoid ORA-20000 (cannot write to NULL CLOB)
dbms_lob.createtemporary(result1, true, dbms_lob.session);
dbms_lob.open(result1, dbms_lob.lob_readwrite);
xmldom.writetoclob(docnode,result1);
strResult1 := dbms_lob.substr(result1);
xmldom.writeToBuffer(docnode, vbuffer);
-- print the output stored in buffer
loop
exit when vbuffer is null;
line := substr(vbuffer,1,instr(vbuffer,chr(10))-1);
dbms_output.put_line('| '||line);
vbuffer := substr(vbuffer,instr(vbuffer,chr(10))+1);
end loop;
-- Call Java function which takes (varchar2, varchar2) as args
xmlout := transform_xml(strResult1, '<html xsl:version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
lang="en">
<head>
     <title>Order Report</title>
</head>
<body>
     <table border="1">
     <tr>
          <th>Row Number</th>
          <th>Order ID</th>
          <th>Order ID</th>
          <th>Txn</th>
          <th>Security</th>
          <th>Quantity</th>
     </tr>
     <xsl:for-each select="EQUITYCONNECT">
          
          <xsl:sort select="ORD_ID"
               data-type="number"
               order="ascending"/>
          <tr>
          <td>
               <xsl:value-of select="ORDER/ORD_ID"/>
          </td>
          <td>
<xsl:value-of select="/EQUITYCONNECT//text()"/>          </td>
     </tr>
     </xsl:for-each>
     </table>
</body>
</html>');
-- Close the query context
DBMS_XMLGen.closeContext(ordQueryCtx);
end if;
exception
when xmldom.INDEX_SIZE_ERR then
raise_application_error(-20120, 'Index Size error');
when xmldom.DOMSTRING_SIZE_ERR then
raise_application_error(-20120, 'String Size error');
when xmldom.HIERARCHY_REQUEST_ERR then
raise_application_error(-20120, 'Hierarchy request error');
when xmldom.WRONG_DOCUMENT_ERR then
raise_application_error(-20120, 'Wrong doc error');
when xmldom.INVALID_CHARACTER_ERR then
raise_application_error(-20120, 'Invalid Char error');
when xmldom.NO_DATA_ALLOWED_ERR then
raise_application_error(-20120, 'Nod data allowed error');
when xmldom.NO_MODIFICATION_ALLOWED_ERR then
raise_application_error(-20120, 'No mod allowed error');
when xmldom.NOT_FOUND_ERR then
raise_application_error(-20120, 'Not found error');
when xmldom.NOT_SUPPORTED_ERR then
raise_application_error(-20120, 'Not supported error');
when xmldom.INUSE_ATTRIBUTE_ERR then
raise_application_error(-20120, 'In use attr error');
when others then
dbms_output.put_line('exception occured' || sqlcode || substr(sqlerrm, 1, 100));
end xmlRules;
function xml_transform is taking the xml and xsl file as string and returning me xml as string after processing. Basiccally I have to do some comparison on the value of /EQUITYCONNECT/ORDER elements and /EQUITYCONNECT/EXECRPT element.
Any help will be appreciated.

Here you go:
       Node nameNode =
                (Node) XPathFactory.newInstance().newXPath().evaluate(
                        "/root/name", doc, XPathConstants.NODE);
        nameNode.setTextContent("bob");

Problem retrieving Data from a CDATA-Section using XMLDOM

Hello,
Ware: Oracle 8.1.7.4 64bit, XDK for PL/SQL Version 9.2.0.3, Solaris8 64bit
I can't retrieve Data from the CDATA-Section of an XML-String, neither with
getData(DOMCharacterData) or substringData. Also getLength fails. I get always
the following error:
ERROR at line 1:
ORA-29532: Java call terminated by uncaught Java exception: java.lang.ClassCastException
ORA-06512: at "XML_SCHEMA.XMLCHARDATACOVER", line 0
ORA-06512: at "XML_SCHEMA.XMLDOM", line 853
ORA-06512: at "SCHWABE.XML_TEST", line 47
ORA-06512: at line 1
I can successfully cast the DOMNode to a CharacterData with makeCharacterData
and check with isNull (DOMCharacterData) (returns FALSE).
My Testcase:
1) A Function which build a XML-Document:
CREATE OR REPLACE FUNCTION XML_ResponseCalc RETURN VARCHAR2 IS
doc VARCHAR2(32767);
BEGIN
doc :=
'<?xml version="1.0" encoding="UTF-8"?>
<RSDecEng>
<Version>1.00</Version>
<ResponseCalc>
<ID>00000000000000000014</ID>
<Burst>
<Definition>
<Count>1</Count>
<ID>
<Start>1</Start>
<Length>4</Length>
</ID>
<Var>
<Name>Risiko_1</Name>
<Start>5</Start>
<Length>5</Length>
</Var>
</Definition>
<Data>
<Length>9</Length>
<Count>5</Count>
<![CDATA[
1 0.001
2 0.002
3 0.003
4 0.004
5 0.005
6 0.006
7 0.007
8 0.008
9 0.009
10 0.010
]]>
</Data>
</Burst>
</ResponseCalc>
</RSDecEng>
2) The Procedure which parses the XML-Document (no Exception-Handling):
CREATE OR REPLACE PROCEDURE XML_TEST IS
Parser XML_SCHEMA.XMLParser.Parser;
DOMDocument XML_SCHEMA.XMLDOM.DOMDocument;
DOMNode XML_SCHEMA.XMLDOM.DOMNode;
DOMNodeItem XML_SCHEMA.XMLDOM.DOMNode;
DOMNodeList XML_SCHEMA.XMLDOM.DOMNodeList;
DOMCharacterData XML_SCHEMA.XMLDOM.DOMCharacterData;
TheDocument CLOB;
ID VARCHAR2(100);
Data VARCHAR2(200);
BEGIN
-- LOB
DBMS_LOB.CREATETEMPORARY(TheDocument, TRUE);
DBMS_LOB.WRITEAPPEND(TheDocument, LENGTH(XML_ResponseCalc), XML_ResponseCalc);
-- Parse
Parser := XML_SCHEMA.XMLParser.NewParser;
XML_SCHEMA.XMLParser.ParseCLOB(Parser, TheDocument);
DOMDocument := XML_SCHEMA.XMLParser.GetDocument(Parser);
XML_SCHEMA.XMLParser.FreeParser(Parser);
-- Node
DOMNode := XML_SCHEMA.XMLDOM.MakeNode(DOMDocument);
-- Get ID
DOMNodeList := XML_SCHEMA.XSLProcessor.SelectNodes
(DOMNode,'/RSDecEng/ResponseCalc/ID/text()');
IF XML_SCHEMA.XMLDOM.GetLength(DOMNodeList) > 0 THEN
DOMNodeItem := XML_SCHEMA.XMLDOM.Item(DOMNodeList, 0);
XML_SCHEMA.XMLDOM.WriteToBuffer(DOMNodeItem, ID);
SYS.DBMS_OUTPUT.PUT_LINE ('ID: '||ID);
END IF;
-- Get CDATA
DOMCharacterData := XML_SCHEMA.XMLDOM.MakeCharacterData(DomNode); -- <-- ok here...
IF NOT XML_SCHEMA.XMLDOM.isNull (DOMCharacterData) THEN -- <-- ...and here
Data := XML_SCHEMA.XMLDOM.GETDATA(DOMCharacterData); -- <-- ...but here Exception raise
END IF;
END;
I hope you can help me.
Thank you in advance
Markus Schwabe

You need to notice the definitions for makecharacterdata:
FUNCTION makeCharacterData(n DOMNode) RETURN DOMCharacterData;
PURPOSE
Casts given DOMNode to a DOMCharacterData
It only do the casting.

End of communication file error ....for xmldom

Hi,
Below is a procedure that i am executing.
I am using NOCOPY For the clob variable.
While executing the procedure for an xml value for clstring i am getting an error like
--end of communication channel.
The xml data is very big but not more that the size for clob.
procedure Prc_UpdateNodes(clString in out NOCOPY CLOB, nodename varchar2, nodeValue varchar2) is
        l_doc_node xmldom.DOMNode;
        l_xml_out varchar2(2000);
        begin
                  domDocument      := Fn_GetXmlDocument(clString);
               nodeList           := xmldom.getElementsByTagName(domDocument, nodename);
               intNoOfNode       := xmldom.getLength(nodeList);
               l_doc_node := xmldom.item(nodeList, 0);
               --xmldom.writetobuffer(l_doc_node, l_xml_out);
               PKS_DEBUG.PRC_DEBUG('CLOB IN PRC_UPDATE' || clString);
               for loopCount_int in 0.. intNoOfNode - 1 loop
                 node := XmlDom.item(nodeList, loopCount_int);
                    valueNode := XmlDom.getFirstChild(node);
                    --xmldom.writetobuffer(node, l_xml_out);
                    --This return value would be useful only in case of single record where in we could use the same after the insert operation is done
                    -- so that it could be used for the subsequent retrieval.
                    -- In case of multiple records update, this information remains of no use and doesnt have to be handled.
                    XmlDom.setNodeValue(valueNode,nodeValue);
                    --xmldom.writetobuffer(valueNode, l_xml_out);
               end loop;
               PKS_DEBUG.PRC_DEBUG('CLOB AFTER PRC_UPDATE' || clString);
               XmlDom.writeToClob(domDocument,clString);
               PKS_DEBUG.prc_debug('REMOVING BUFFER');
              PRC_REMOVE_BUFFER(clString);
               PKS_DEBUG.PRC_DEBUG('CLOB AFTER WRITITNG TO CLOB' || clString);
        end;The error occurs during the execution of the statement XmlDom.writeToClob(domDocument,clString);
Do i need the above statement as i am using NOCOPY For the CLOB variable.
Can anyone help me with this front..
Thanks.

checkout TNSPING <service name> from cmd prompt
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\NJi>tnsping issl
TNS Ping Utility for 32-bit Windows: Version 2.3.2.1.0 - Production on 25-OCT-06
14:36:06
Copyright , 1996(c) Oracle Corporation 1995. All rights reserved.
Attempting to contact (ADDRESS=(COMMUNITY=tcp.world)(PROTOCOL=TCP)(Host=198.1.2.
15)(Port=1521))
OK (100 msec)

Using xmldom.writeToClob to update xml clob corrupts clob

We are storing an xml document in a clob field in the db. As part of a data check we need to parse the xml and possibly remove a node. I can do that, and check the results using 'xmldom.writeToBuffer'.
When I try to write the data back to the db using 'xmldom.writeToClob' I get strange results. Data seems to be appended to the end of the clob and contains chr(13) characters at the end of each line.
Also does anyone know if the existence of whitespace in the xml clob would cause a parse/search to be slower?
I am new to xml and might be missing something fairly basic in the following code. Thanks in advance for any help.
Here is some of the code:
doc xmldom.DOMDocument;
curNode xmldom.DOMNode;
parentNode xmldom.DOMNode;
theNodeList xmldom.DOMNodeList;
str varchar2(4000);
begin
-- open xml_rec cursor (xml is the clob field opened for update)
-- Loop through all item elements
theNodeList := xmldom.getElementsByTagName(doc, 'item');
for m in 0..xmldom.getLength(theNodeList)-1 loop
curNode := xmldom.item(theNodeList,m);
--perform a check and possibly delete the current node
parentNode := xmldom.getParentNode(curNode);
parentNode := xmldom.removechild(parentNode, curNode);
xmldom.writeToBuffer(doc, str);
--I check the results here and everything looks good
xmldom.writeToClob(doc, xml_rec.xml);
--When I check the clob the data is incorrect.
null

The next cod is a sample of the implementation xmldom.writeToClob used xmldom.DOMNode in the parameter of input.
DECLARE
XMLOut CLOB := EMPTY_CLOB();
XMLIn Varchar2(2000);
XSLPath Varchar2(2000);
BEGIN
DBMS_LOB.CREATETEMPORARY(XMLOut,TRUE); -- Give permit
DBMS_LOB.OPEN (XMLOut, DBMS_LOB.LOB_READWRITE); --open the file of read and write
XSLPath := '/users/gcardona/plantillas/report.xsl';
GE_BSXMLCONVERT.createElementName('COLUMN');
GE_BSXMLCONVERT.createElementAttribute('name', 'OUTXML');
GE_BSXMLCONVERT.addElement();
GE_BSXMLCONVERT.createElementName('table');
GE_BSXMLCONVERT.createElementAttribute('name', 'X1');
GE_BSXMLCONVERT.createElementAttribute('width', '100');
GE_BSXMLCONVERT.addElement();
XMLIn := GE_BSXMLCONVERT.toXML();
XSLTranform(XMLIn, XSLPath, XMLOut);--XMLOut is a variable in out in the procedure,
--here is where is return the file XML Process
insert into in_prueba (ID,XML_CLOB) values (200, XMLOut);
DBMS_LOB.CLOSE (XMLOut); -- Close File
DBMS_LOB.FREETEMPORARY(XMLOut); --free memory
GE_BSXMLCONVERT.clearMemory();
commit;
END;
null

Xmldom.writeToBuffer truncates node content?

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