Issues in using KM APIs in Webdynpro

we have an issue.
We have an application written in servlets to retrieve KM attributes.
We are now trying to embed it with webdynpro. We just extracted what we require from servlet code and used it in WebDynpro.
But from the errors it is showing what we understood is that the objects are not supported by WebDynpro or may be they are deprecated.
So what we want to know is that
Whether we will be able to call the servlet itself from webdynpro
Where we will get later versions of KM APIs and how to use it.
Whether the approach we take is wrong
This is our action part
public void onActionon_retrieve(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
 //@@begin onActionon_retrieve(ServerEvent)
 IUser serviceUser = WPUMFactory.getServiceUserFactory().getServiceUser("cmadmin_service");
 //IUser serviceuser = WPUMFactory.getUserFactory().getEP5User(request.getUser());
 ResourceContext c = new ResourceContext(serviceUser);
 // Retrieve a resource from the KM repository framework
 IResource r = ResourceFactory.getInstance().getResource(RID.getRID("/documents"), c);
 // read some information from the IResource and print it on the
 // servlet request
 //s.append("Access RID: "r.getAccessRID().toString()" ");
 // s.append("Display Name: "r.getDisplayName(true)" ");
 // s.append("Properties list: "r.getProperties().toString()" ");
 // s.append("Current user: "r.getContext().getUser().getDisplayName()" ");
 String s = r.getproperties.toString();
 //@@end
Can anyone please help us on what to do?
Thanks
gayathri.

Hi Gayatri
Did you get a chance to complete the above mentioned task.If so please suggest me too, since I do have a simillar task for me to complete.
Thanks
Bala

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Please Reply if anyone has come accross similar issue or know what can be the solution.
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Edited by: Shruti Shah on Dec 18, 2008 12:52 PM

Hi Nitin,
Thanks for the prompt Response.
Even I am guessing that its becose of Connection pool.
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Please see Kenichi Unnai in his blog "How to use UWL API for NetWeaver BPM Tasks"
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 catch (ConnectionException e) {
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 e.printStackTrace();
 } catch (CommandException e) {
 //TODO Auto-generated catch block
 e.printStackTrace();
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<?xml version="1.0" encoding="UTF-8"?>
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<str name="art_id">192201910</str>
<str name="title">test</str>
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<str>William </str>
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import org.xml.sax.helpers.;
import java.io.;
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// Local SolrDocument object to collect
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// Local list of solr documents items...
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// Local current solr document reference...
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// Buffer for collecting data from
// the "characters" SAX event.
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// Override methods of the DefaultHandler class
// to gain notification of SAX Events.
// See org.xml.sax.ContentHandler for all available events.
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String localName,
String qName,
Attributes attr ) throws SAXException {
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if( localName.equals("str"){
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if("title".equals(attr.getValue(i))){
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String localName,
String qName ) throws SAXException {
public void characters( char[] ch, int start, int length )
throws SAXException {
contents.write( ch, start, length );
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return solrDocuments;
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I added my code inside code tags...
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import org.xml.sax.helpers.*;
import java.io.*;
import java.util.*;
import common.*;
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 xr.parse( new InputSource(new FileReader( "xmlfile.xml" )));
 // Display all documents items...
 XmlDocument i;
 Vector items = ex4.getxmlDocument();
 Enumeration e = items.elements();
 while( e.hasMoreElements()){
 i = (XmlDocument) e.nextElement();
 System.out.println(i.art_id+"\n");
 System.out.println(i.title+"\n");
 }catch ( Exception e ) {
 e.printStackTrace();
}

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While trying to Create Projects using the API, I'm getting two types of errors -
The first is : 'API failed in one stage 1 Customer Name is a mandatory Quick Entry field. Value must be passed'
The second is : '
'API failed in one stage 1 Project: '<Project_Number>'
The class category is invalid.'
Both the messages are produced by our custom program. .. however I am not able to understand why the underlying errors occur.
The first error ( Customer Name is a mandatory quick entry field), is caused by Projects that are to be created from Project templates where it is configured with Quick Entry Customer Name required. We are passing Customer Site number ( Party Bill to site number and Party Ship to side number). The site numbers being passed are also set as 'Primary'. Yet they are failing.
For the second Error ( The Class Category is invalid), I rechecked multiple times, the Class categories for the Projects I am trying to create, with the Config in R12 and they are fine. Can't understand the reason for these two issues. Has anyone encountered such an issue ? If so how was it resolved?
Regards
Vivek

HI All
I resolved both the issues. In case there are others facing similar issues, following was the cause and resolution of my errors
1. Error 1: Customer Name is a Mandatory Quick Entry field. Value must be passed.
The cause was that the data loaded into our custom staging table was not in the right fields. This was because the data file values and the CTL were not in sync.
Resolution:
Corrected the data file to be in Sync with the structure defined in the CTL and this loaded it successfully
2. Error 2: The class category is invalid.
The cause of this error was that in the Projects Template (used to create the project from), the Quick Entry setup had a Class Category set as required and I was not passing a value ( a class code value) for that Class Category.
Hope this helps somebody else
Cheers
Turnbill

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