Parse attributes of a XML file

Hi My XML file is in the follwoing format
I have to extract all the autoloadid's at the CFTSContract level
so my sql output needs to be some thing like this
AUTOLOADID
1125
1126
1127
1128
etc ........
can any please help me how to right a sql to extract all the autoload id's at the CFTSContract level.
<?xml version="1.0" encoding="WINDOWS-1252"?>
<gbi:CFTSBillingRecordList country="ALL" company="ALL" senderId="ISSORCL" installationId="" applicatonId="GBI" cycleNumber="unique number" timeSent="HHMMYY" recordCount="unique number" returnCode="" returnText="" xsi:schemaLocation="http://w3-3.ibm.com/services/cft-s schema/CFTSBillingInterface.xsd" xmlns:gbi="http://w3-3.ibm.com/services/cft-s" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<CFTSContract ContractType="IS" autoloadid="1125" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
</CFTSContract>
<CFTSContract ContractType="IS" autoloadid="1126" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
</CFTSContract>
<CFTSContract ContractType="IS" autoloadid="1127" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
</CFTSContract>
<CFTSContract ContractType="IS" autoloadid="1128" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
</CFTSContract>
<CFTSContract ContractType="IS" autoloadid="1129" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
<CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
</CFTSContract>
</gbi:CFTSBillingRecordList>
Thanks

SQL> with t as (select to_clob('<?xml version="1.0" encoding="WINDOWS-1252"?>
2 <gbi:CFTSBillingRecordList country="ALL" company="ALL" senderId="ISSORCL" installationId="" applicatonId="GBI" cycleNumber="unique number" timeSent="HHMMYY" recordCount="unique number" returnCode="" returnText="" xsi:schemaLocation="http://w3-3.ibm.com/services/cft-s schema/CFTSBillingInterface.xsd" xmlns:gbi="http://w3-3.ibm.com/services/cft-s" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
3 <CFTSContract ContractType="IS" autoloadid="1125" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
4 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
5 <CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
6 </CFTSContract>
7 <CFTSContract ContractType="IS" autoloadid="1126" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
8 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
9 <CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
10 </CFTSContract>
11 <CFTSContract ContractType="IS" autoloadid="1127" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
12 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
13 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
14 <CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
15 </CFTSContract>')||
16 to_clob('<CFTSContract ContractType="IS" autoloadid="1128" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
17 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
18 <CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
19 </CFTSContract>
20 <CFTSContract ContractType="IS" autoloadid="1129" expirationdate="" Division="8F" Area="ISS" ServiceCenter="ISS" customertype="TAX Exempt Flag A or J" Startdate="11-FEB-06" enddate="" ibmAcceptanceDate="11-FEB-06" CustomerSignDate="10-FEB-06" OpportunityNumber="" channelindicator="" competency="BR" businesstransactiontype="1" excemptioncode="10" pocindicator="N" consolidationcustomertype="TAX Exempt Flag A or J" ISSSalesRepName="" ISSSalesRepphone="" paymentmethod="" eposnumber="">
21 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
22 <CFTSWorknumber servicetype="IC" startdate="11-FEB-06" enddate="11-FEB-07" customertype="TAX Exempt Flag A or J" customercontrol="00" businesstype="IS8F" division="8F" exemptioncode="" opportunitynumber="" eposnumber=""/>
23 <CFTSContractAmount billingAmount="0" currencyId="JPY" actionCode="" returnCode=""/>
24 </CFTSContract>
25 </gbi:CFTSBillingRecordList>') str from dual)
26 --
27 select extractvalue(column_value,'//@autoloadid') autoloadid from t,table(xmlsequence(extract(xmltype(str),'//CFTSContract')))
28 /
AUTOLOADID
1125
1126
1127
1128
1129
SQL>

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Thanks in advance...
Anir

Can you provide a working sample? Upload to Onedrive and share it with us.
Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.
NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined
objects and unknown namespaces.

PARSING HTML ELEMNETS IN XML FILE?,Help please very urgent

I am getting the input in this form
<ul>
<li>Strategies</li>
<li>Planning</li>
<li>Value</li>
<li>Total Investment</li>
</ul>
I want to convert it into below format so that ContentHandler parse the HTML tages.The HTML elements are dynamic,
contentHandler.startElement("", "ul", "ul", attrs);
contentHandler.startElement("", "li", "li", attrs);
contentHandler.characters(value.toCharArray(), 0, value.length());
contentHandler.startElement("", "li", "li", attrs);
contentHandler.startElement("", "li", "li", attrs);
contentHandler.characters(value.toCharArray(), 0, value.length());
contentHandler.startElement("", "li", "li", attrs);
contentHandler.startElement("", "li", "li", attrs);
contentHandler.characters(value.toCharArray(), 0, value.length());
contentHandler.startElement("", "li", "li", attrs);
contentHandler.startElement("", "li", "li", attrs);
contentHandler.characters(value.toCharArray(), 0, value.length());
contentHandler.startElement("", "li", "li", attrs);
contentHandler.endElement("", "ul", "ul");
Is their any library through which we can convert HTML tags into ContentHandler elements.
Thanks in Advance
Thanks
Lakhi

Actually i am parsing XML file,but i have HTML elements inside XML elements:
<section id='2'><header><line>Agenda( Slide2 )</line></header>
<line>
<h3>Agenda</h3>
<ol>
<li>Overview of ABC Company inc.</li>
<li>Defining and Measuring Employee Engagement</li>
<li>Foresight's Survey Methodology</li>
<li>Online Tools</li>
<li>Standard and Custom Reporting Capabilities</li>
<li>Action Planning and Best Practices</li>
</ol></line></section>
And i am using Contenthandler interface to parse,
          attrs.addCDATAAttribute("id",""+i);
               contentHandler.startElement("", "section", "section", attrs);
               attrs.clear();
               contentHandler.startElement("", "header", "header", attrs);
               contentHandler.startElement("", "line", "line", attrs);
               contentHandler.characters(key.toCharArray(), 0, key.length());
               contentHandler.endElement("", "line", "line");
               contentHandler.endElement("", "header", "header");
               contentHandler.startElement("", "line", "line", attrs);
/*HERE I need to Generate java instruction for HTML elements as i mailed before.for elements like <li>Overview of ABC Company inc.</li>
<li>Defining and Measuring Employee Engagement</li>...................</ol>
               contentHandler.characters(value.toCharArray(), 0, value.length());
               contentHandler.endElement("", "line", "line");
               contentHandler.endElement("", "section", "section");

Getting attributes from a XML File, stored in Oracle

Hello,
my problem is the following
I have a xml file that looks like that:
<?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?>
<root path="H:\musik">
<directory name="Bj�rk - Homogenic" path="H:\musik\Bj�rk - Homogenic">
<file album="Homogenic" artist="Bjoerk" comment=""
completename="Bjoerk - Hunter" genre="Techno"
name="01 - Hunter.mp3"
path="H:\musik\Bj�rk - Homogenic\01 - Hunter.mp3"
title="Hunter" year="1997"/>
<file album="Homogenic" artist="Bjoerk" comment=""
completename="Bjoerk - Joga" genre="" name="02 - Joga.mp3"
path="H:\musik\Bj�rk - Homogenic\02 - Joga.mp3" title="Joga" year="1994"/>
</directory>
<directory name="Blank & Jones - In Da Mix" path="H:\musik\Blank & Jones - In Da Mix">
<file album="In da Mix" artist="Blank & Jones" comment=""
completename="Blank & Jones - On a journey (Intro)"
genre="Dance" name="01 - On a journey (Intro).mp3"
path="H:\musik\Blank & Jones - In Da Mix\01 - On a journey (Intro).mp3"
title="On a journey (Intro)" year="1999"/>
<file album="In da Mix" artist="Blank & Jones" comment=""
completename="Blank & Jones - Cream" genre="Dance"
name="02 - Cream.mp3"
path="H:\musik\Blank & Jones - In Da Mix\02 - Cream.mp3"
title="Cream" year="1999"/>
</directory>
</root>
This file I have stored in Oracle as table of XML Type.
Now I have build a little Java Programm, that displays the XML File like the File structure in the Windows Explorer.
I want, when I choose a file in the File structure, that the ID3 Informations like album artist a.s.o. can be displayed. My problem is, I couldn't get these informations e.g. in an array from the database. Any suggestions how I could realize this in Java?
Thx for any comments
Max

Try this:
select extract(xmltypefieldname, '//xpath/field@attribute').getStringVal() from yourtable where yourwhereclause
You can also select elements that match certain attributes by using a predicate such as field[@attr = myval][@attr2 = myval2]...
Hope this helps.

Approach to parse large number of XML files into the relational table.

We are exploring the option of XML DB for processing a large number of files coming same day.
The objective is to parse the XML file and store in multiple relational tables. Once in relational table we do not care about the XML file.
The file can not be stored on the file server and need to be stored in a table before parsing due to security issues. A third party system will send the file and will store it in the XML DB.
File size can be between 1MB to 50MB and high performance is very much expected other wise the solution will be tossed.
Although we do not have XSD, the XML file is well structured. We are on 11g Release 2.
Based on the reading this is what my approach.
1. CREATE TABLE XML_DATA
(xml_col XMLTYPE)
XMLTYPE xml_col STORE AS SECUREFILE BINARY XML;
2. Third party will store the data in XML_DATA table.
3. Create XMLINDEX on the unique XML element
4. Create views on XMLTYPE
CREATE OR REPLACE FORCE VIEW V_XML_DATA(
Stype,
Mtype,
MNAME,
OIDT
AS
SELECT x."Stype",
x."Mtype",
x."Mname",
x."OIDT"
FROM data_table t,
XMLTABLE (
'/SectionMain'
PASSING t.data
COLUMNS Stype VARCHAR2 (30) PATH 'Stype',
Mtype VARCHAR2 (3) PATH 'Mtype',
MNAME VARCHAR2 (30) PATH 'MNAME',
OIDT VARCHAR2 (30) PATH 'OID') x;
5. Bulk load the parse data in the staging table based on the index column.
Please comment on the above approach any suggestion that can improve the performance.
Thanks
AnuragT

Thanks for your response. It givies more confidence.
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
TNS for Linux: Version 11.2.0.3.0 - Production
Example XML
<SectionMain>
<SectionState>Closed</SectionState>
<FunctionalState>CP FINISHED</FunctionalState>
<CreatedTime>2012-08</CreatedTime>
<Number>106</Number>
<SectionType>Reel</SectionType>
<MachineType>CP</MachineType>
<MachineName>CP_225</MachineName>
<OID>99dd48cf-fd1b-46cf-9983-0026c04963d2</OID>
</SectionMain>
<SectionEvent>
<SectionOID>99dd48cf-2</SectionOID>
<EventName>CP.CP_225.Shredder</EventName>
<OID>b3dd48cf-532d-4126-92d2</OID>
</SectionEvent>
<SectionAddData>
<SectionOID>99dd48cf2</SectionOID>
<AttributeName>ReelVersion</AttributeName>
<AttributeValue>4</AttributeValue>
<OID>b3dd48cf</OID>
</SectionAddData>
- <SectionAddData>
<SectionOID>99dd48cf-fd1b-46cf-9983</SectionOID>
<AttributeName>ReelNr</AttributeName>
<AttributeValue>38</AttributeValue>
<OID>b3dd48cf</OID>
<BNCounter>
<SectionID>99dd48cf-fd1b-46cf-9983-0026c04963d2</SectionID>
<Run>CPFirstRun</Run>
<SortingClass>84</SortingClass>
<OutputStacker>D2</OutputStacker>
<BNCounter>54605</BNCounter>
</BNCounter>
I was not aware of Virtual column but looks like we can use it and avoid creating views by just inserting directly into
the staging table using virtual column.
Suppose OID id is the unique identifier of each XML FILE and I created virtual column
CREATE TABLE po_Virtual OF XMLTYPE
XMLTYPE STORE AS BINARY XML
VIRTUAL COLUMNS
(OID_1 AS (XMLCAST(XMLQUERY('/SectionMain/OID'
PASSING OBJECT_VALUE RETURNING CONTENT)
AS VARCHAR2(30))));
1. My question is how then I will write this query by NOT USING COLMUN XML_COL
SELECT x."SECTIONTYPE",
x."MACHINETYPE",
x."MACHINENAME",
x."OIDT"
FROM po_Virtual t,
XMLTABLE (
'/SectionMain'
PASSING t.xml_col                          <--WHAT WILL PASSING HERE SINCE NO XML_COL
COLUMNS SectionType VARCHAR2 (30) PATH 'SectionType',
MachineType VARCHAR2 (3) PATH 'MachineType',
MachineName VARCHAR2 (30) PATH 'MachineName',
OIDT VARCHAR2 (30) PATH 'OID') x;
2. Insetead of creating the view then Can I do
insert into STAGING_table_yyy ( col1 ,col2,col3,col4,
SELECT x."SECTIONTYPE",
x."MACHINETYPE",
x."MACHINENAME",
x."OIDT"
FROM xml_data t,
XMLTABLE (
'/SectionMain'
PASSING t.xml_col                         <--WHAT WILL PASSING HERE SINCE NO XML_COL
COLUMNS SectionType VARCHAR2 (30) PATH 'SectionType',
MachineType VARCHAR2 (3) PATH 'MachineType',
MachineName VARCHAR2 (30) PATH 'MachineName',
OIDT VARCHAR2 (30) PATH 'OID') x
where oid_1 = '99dd48cf-fd1b-46cf-9983';<--VIRTUAL COLUMN
insert into STAGING_table_yyy ( col1 ,col2,col3
SELECT x."SectionOID",
x."EventName",
x."OIDT"
FROM xml_data t,
XMLTABLE (
'/SectionMain'
PASSING t.xml_col                         <--WHAT WILL PASSING HERE SINCE NO XML_COL
COLUMNS SectionOID PATH 'SectionOID',
EventName VARCHAR2 (30) PATH 'EventName',
OID VARCHAR2 (30) PATH 'OID',
) x
where oid_1 = '99dd48cf-fd1b-46cf-9983';<--VIRTUAL COLUMN
Same insert for other tables usind the OID_1 virtual coulmn
3. Finaly Once done how can I delete the XML document from XML.
If I am using virtual column then I beleive it will be easy
DELETE table po_Virtual where oid_1 = '99dd48cf-fd1b-46cf-9983';
But in case we can not use the Virtual column how we can delete the data
Thanks in advance
AnuragT

Parsing Error is struts xml files org.xml.s

Hello ,
I am getting a peculiar error while starting the Tomcat , the struts xml files are not being parsed correctly (they used to be before) .I get a parse error when I shut/start the tomcat (at each deployment) and hence due to the error the application fails (I guess ...)
The errors I get on the log file while starting the tomcat are ...(only part of the error stack)
parsing error processing resource path /WEB-INF/struts-action.xml
org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.
Servlet /ProteinBank threw load() exception
javax.servlet.UnavailableException: Parsing error processing resource path /WEB-INF/struts-action.xml

Have you changed your struts-config or web.xml files?
Back it up, and try starting with a 'minimal' version of struts-config to see if it succeeds.

When parsing a large size xml file , OutOfMemorry exception(attach code)

Dear all ,
I met a OutOfMemorry exception when I parse a xml file (20M) in my application(I extract data in xml file for building my application data), but I found that it take long time(for 2 more minutes) even just searching the xml file , because my application is viewed by web page , so it's too bad for waiting.
what I used is org.jdom.input.SAXBuilder(jdom1.0beta8-dev) , and my xml file structure is like :
<errors>
<item1>content</item1>
<item2>content</item2>
</errors>
and this is my source code of parsing xml file :
import java.io.*;
import java.text.*;
import java.util.*;
import org.jdom.*;
import org.jdom.input.*;
import org.jdom.output.*;
public class XMLProperties {
    private File file;
    private Document doc;
    private Map propertyCache = new HashMap();
    public XMLProperties(String filename) {
            SAXBuilder builder = new SAXBuilder();
            // Strip formatting
            DataUnformatFilter format = new DataUnformatFilter();
            builder.setXMLFilter(format);
            long time_start = System.currentTimeMillis();
            Runtime run = Runtime.getRuntime();
            doc = builder.build(new File(filename));
            System.out.println("Build doc memory ="+(run.totalMemory()-
                     run.freeMemory())/1024+"K");
            System.out.println("Build doc used time :"+(
                     System.currentTimeMillis()-time_start)/1000+" s");
        catch (Exception e) {
            System.err.println("Error creating XML parser in "
                + "PropertyManager.java");
            e.printStackTrace();
     public String [] getChildrenProperties(String parent) {
        // Search for this property by traversing down the XML heirarchy.
        Element element = doc.getRootElement();
        element = element.getChild(parent);
        if (element == null) {
            // This node doesn't match this part of the property name which
            // indicates this property doesn't exist so return empty array.
            return new String [] { };
        // We found matching property, return names of children.
        List children = element.getChildren();
        int childCount = children.size();
        String [] childrenNames = new String[childCount];
        for (int i=0; i<childCount; i++) {
            childrenNames[i] = ((Element)children.get(i)).getName();
        return childrenNames;
    }the test main class:
import java.util.Map;
import java.util.HashMap;
import org.jdom.*;
import org.jdom.input.*;
public class MyTest {
public static void main(String[] args) {
    long time_start = System.currentTimeMillis();
    Runtime run = Runtime.getRuntime();
    Map childs = new HashMap();
    System.out.println("Used memory before="+(run.totalMemory()-run.freeMemory())/1024 + "K");
    XMLProperties parser = new XMLProperties("D:\\projects\\edr\\jsp\\status-data\\edr-status-2003-09-01.xml");
    String[] child = parser.getChildrenProperties("errors");
    for(int i=0;i<child.length;i++) {
//      childs.put(new Integer(i), child);
if(i%1000 == 0) {
System.out.println("Used memory while="+(run.totalMemory()-run.freeMemory()/1024+"K"));
System.out.println("child.length="+child.length);
System.out.println("Used memory after="+(run.totalMemory()-run.freeMemory())/1024+"K");
System.out.println("Time used: "+(System.currentTimeMillis()-time_start)/1000+"s");
The result is : Used memory before=139K
Used memory while=56963K
Used memory after=51442K
child.length=27343
Time used: 146s
is that some way to solve this problem ?
Thanks for your help

I met a OutOfMemorry exception when I parse a xml
l file (20M) in my application(I extract data in xml
file for building my application data)...Rule of thumb for parsing XML: the memory you need is about 10 times the size of the XML file. So in your case you need 200 MB of free memory.
, but I found
that it take long time(for 2 more minutes) even just
searching the xml file , because my application is
viewed by web page...Then you need to redesign your application. Parsing 20 megabytes of XML for every request is -- as you can see -- impractical. Sorry I can't suggest how, since I have no idea what your application is.

Does the parser work with large XML files?

Is there a restriction on the XML file size that can be loaded into the parser?
I am getting a out of memory exception reading in large XML file(10MB) using the commands
DOMParser parser = new DOMParser();
URL url = createURL(argv[0]);
parser.setErrorStream(System.err);
parser.setValidationMode(true);
parser.showWarnings(true);
parser.parse(url);
Win NT 4.0 Server
Sun JDK 1.2.2
===================================
Error output
===================================
Exception in thread "main" java.lang.OutOfMemoryError
at oracle.xml.parser.v2.ElementDecl.getAttrDecls(ElementDecl.java, Compi
led Code)
at java.util.Hashtable.<init>(Unknown Source)
at oracle.xml.parser.v2.DTDDecl.<init>(DTDDecl.java, Compiled Code)
at oracle.xml.parser.v2.ElementDecl.getAttrDecls(ElementDecl.java, Compi
led Code)
at oracle.xml.parser.v2.ValidatingParser.checkDefaultAttributes(Validati
ngParser.java, Compiled Code)
at oracle.xml.parser.v2.NonValidatingParser.parseAttributes(NonValidatin
gParser.java, Compiled Code)
at oracle.xml.parser.v2.NonValidatingParser.parseElement(NonValidatingPa
rser.java, Compiled Code)
at oracle.xml.parser.v2.ValidatingParser.parseRootElement(ValidatingPars
er.java:97)
at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingP
arser.java:199)
at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:146)
at TestLF.main(TestLF.java:40)
null

We have a number of test files that are that size and it works without a problem. However using the DOMParser does require significantly more memory than your doc size.
What is the memory configuration of the JVM that you are running with? Have you tried increasing it? Are you using our latest version 2.0.2.6?
Oracle XML Team

Parse attributes of a XML file

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