Example of Asynchronous Web Service Using Oracle APIs

Greetings,
Is there any tutorial, section or example of Oracle, that explains clearly, how to create an Asynchronous Web Service using Oracle APIs.
Thakns in advance for your help.-

Does this help:
http://niallcblogs.blogspot.com/2009/03/calling-async-bpel-process-from-jdev.html

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How to Create and Deploy Web Services Using Oracle 9i JDeveloper

Hi,
My Question is how to create and deploy Web Services using Oracle 9i JDeveloper.Anybody please give me a detailed Reply.Please Reply to [email protected]
Hopr to Hear From you,
Regards,
G Sreekumar

You could use datasources. You should do this in your BC4J Configuration. Then when deploying your applicaiton use the command -installDataSource (from admin.jar) to create the right datasource.
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Implementation of Asynchronous Web Services using JDeveloper

Various articles and tutorials, which I have read, are talking about asynchronous BPEL processes. These asynch BPEL processes are result of the orchestration of different synch and asynch atomic services (web services in specific). There are even tutorials as part of Oracle SOA Suite and JDeveloper explaining how to consume asynchronous services in a BPEL process. Well and good.
But unfortunately I haven’t seen any tutorial or article talks about the implementation of asynchronous web services (How to implement an asynchronous service?). All what they talk about is the consumption side of it and the applicability of WS-Addressing or Correlation ID for the consumption of the Service.
As part of my research, I delved further into the sample BPEL processes comes out with Oracle BPEL Process Manager. For example; I have had a look into the Asynchronous Loan Processor process, where it is orchestrating a Synch Credit Rating Service and three asynch services namely Star Loan, United Loan and American Loans. But as I delved down into those, I realized that these services are simply BPEL Processes where it is implemented as a sequence of Receive, Assign and Invoke activities, where each of the activities does the following.
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Assign -- Does some manipulation on the Input variable and set the output variable
Invoke -- Invokes the client back (call back)
These kinds of asynch services are pretty fine to demonstrate theory.
But if we put ourselves more into practical scenarios, where we invoke a service from some application and the result of that invocation shall happen after some time (minutes to hours) in the form of a callback. In that case we WON’T be able to realize the service simply by a simple BPEL Process, rather we will have to implement as a Web Service with two port types implemented, where one port type is for the request and another one for the callback.
I do understand these kinds of services can be implemented using JAX-WS.
Question Here: How I do it using Oracle JDeveloper and Oracle Application Server???
If anyone have done it, the REAL implementation of ASYNCH Web Services *(NOT BY USING BPEL or BPEL Wrapper)* using JDeveloper to deploy on Oracle Application Server or on Oracle SOA Suite, please post the know-how. If someone else is interested in taking it forward, we can take it further together.
-Sudheer
P.S: I am NOT at all interested in theory, as I had enough. Here I don’t want to be Conceptual; rather I am talking about hands-on.

Hi Sudheer,
I am not sure if this will help you
If you take Oracle SOA Suite Order Booking Tutorial and go to Chapter 5 Creating the CreditService Project ( http://download.oracle.com/docs/cd/B31017_01/core.1013/b28937/creditservice.htm ), you learn how to create a synchronous Web service from a WSDL file.
If you take the wsdl and delete output and fault tags (you can see it below) and follow the steps you'll generate an asynchronous web service.
The generated Java method will be a void method
public class ValidateCreditCardImpl {
public void verifyCC(CreditCard creditCard) {
Inside this void method you can try to call to a Receive BPEL Activity.
I hope this will be useful . Regards,
J
<definitions targetNamespace="http://www.globalcompany.com/ns/credit"
xmlns="http://schemas.xmlsoap.org/wsdl/"
xmlns:tns="http://www.globalcompany.com/ns/credit"
xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:types="http://www.globalcompany.com/ns/credit.xsd">
<types>
<schema targetNamespace="http://www.globalcompany.com/ns/credit.xsd"
xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/">
<complexType name="CreditCard">
<sequence>
<element name="ccType" type="string"/>
<element name="ccNum" type="string"/>
</sequence>
</complexType>
<element name="CreditCard" type="types:CreditCard"/>
<element name="valid" type="boolean"/>
<element name="error" type="string"/>
</schema>
</types>
<message name="CreditCardValidationRequestMessage">
<part name="CreditCard" element="types:CreditCard"/>
</message>
<message name="CreditCardValidationResponseMessage">
<part name="valid" element="types:valid"/>
</message>
<message name="CreditCardValidationFaultMessage">
<part name="error" element="types:error"/>
</message>
<portType name="ValidateCreditCard">
<operation name="VerifyCC">
<input message="tns:CreditCardValidationRequestMessage"
name="CreditCardInfo"/>
</operation>
</portType>
<binding name="ValidateCreditCardSoapHttp" type="tns:ValidateCreditCard">
<soap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="VerifyCC">
<soap:operation soapAction="http://www.globalcompany.com/ns/credit/VerifyCC"/>
<input name="CreditCardInfo">
<soap:body use="literal" parts="CreditCard"/>
</input>
</operation>
</binding>
<service name="CreditService">
<port name="ValidateCreditCardServiceSoapHttp"
binding="tns:ValidateCreditCardSoapHttp">
<soap:address location="http://localhost:8888/CreditService"/>
</port>
</service>
</definitions>
Edited by: user10262974 on 30-mar-2009 16:19

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Edited by: 910361 on Nov 1, 2012 7:09 AM

Hi,
I do the settings according to your advice, i got below error when i run below command to add certificate to keystore.
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Edited by: 910361 on Jan 27, 2012 4:38 AM
Edited by: 910361 on Jan 27, 2012 4:39 AM
Edited by: 910361 on Jan 27, 2012 4:39 AM
Edited by: 910361 on Jan 27, 2012 5:29 AM
Edited by: 910361 on Nov 1, 2012 7:09 AM

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package ws;
import java.io.File;
import javax.jws.*;
import org.example.doc.DocType;
@WebService
public class testWS {
     @WebMethod
     public void upload(String filename, DocType doc) {
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* XML Type: DocType
* Namespace: http://www.example.org/doc
* Java type: org.example.doc.DocType
* Automatically generated - do not modify.
package org.example.doc;
* An XML DocType(@http://www.example.org/doc).
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public interface DocType extends org.apache.xmlbeans.XmlObject
public static final org.apache.xmlbeans.SchemaType type = (org.apache.xmlbeans.SchemaType)
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* Gets the "element1" element
java.lang.String getElement1();
* Gets (as xml) the "element1" element
org.apache.xmlbeans.XmlString xgetElement1();
* Sets the "element1" element
void setElement1(java.lang.String element1);
* Sets (as xml) the "element1" element
void xsetElement1(org.apache.xmlbeans.XmlString element1);
* Gets the "element2" element
java.lang.String getElement2();
* Gets (as xml) the "element2" element
org.apache.xmlbeans.XmlString xgetElement2();
* Sets the "element2" element
void setElement2(java.lang.String element2);
* Sets (as xml) the "element2" element
void xsetElement2(org.apache.xmlbeans.XmlString element2);
* A factory class with static methods for creating instances
* of this type.
public static final class Factory
public static org.example.doc.DocType newInstance() {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().newInstance( type, null ); }
public static org.example.doc.DocType newInstance(org.apache.xmlbeans.XmlOptions options) {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().newInstance( type, options ); }
/** @param xmlAsString the string value to parse */
public static org.example.doc.DocType parse(java.lang.String xmlAsString) throws org.apache.xmlbeans.XmlException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( xmlAsString, type, null ); }
public static org.example.doc.DocType parse(java.lang.String xmlAsString, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( xmlAsString, type, options ); }
/** @param file the file from which to load an xml document */
public static org.example.doc.DocType parse(java.io.File file) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( file, type, null ); }
public static org.example.doc.DocType parse(java.io.File file, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( file, type, options ); }
public static org.example.doc.DocType parse(java.net.URL u) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( u, type, null ); }
public static org.example.doc.DocType parse(java.net.URL u, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( u, type, options ); }
public static org.example.doc.DocType parse(java.io.InputStream is) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( is, type, null ); }
public static org.example.doc.DocType parse(java.io.InputStream is, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( is, type, options ); }
public static org.example.doc.DocType parse(java.io.Reader r) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( r, type, null ); }
public static org.example.doc.DocType parse(java.io.Reader r, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException, java.io.IOException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( r, type, options ); }
public static org.example.doc.DocType parse(javax.xml.stream.XMLStreamReader sr) throws org.apache.xmlbeans.XmlException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( sr, type, null ); }
public static org.example.doc.DocType parse(javax.xml.stream.XMLStreamReader sr, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( sr, type, options ); }
public static org.example.doc.DocType parse(org.w3c.dom.Node node) throws org.apache.xmlbeans.XmlException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( node, type, null ); }
public static org.example.doc.DocType parse(org.w3c.dom.Node node, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( node, type, options ); }
/** @deprecated {@link org.apache.xmlbeans.xml.stream.XMLInputStream} */
public static org.example.doc.DocType parse(org.apache.xmlbeans.xml.stream.XMLInputStream xis) throws org.apache.xmlbeans.XmlException, org.apache.xmlbeans.xml.stream.XMLStreamException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( xis, type, null ); }
/** @deprecated {@link org.apache.xmlbeans.xml.stream.XMLInputStream} */
public static org.example.doc.DocType parse(org.apache.xmlbeans.xml.stream.XMLInputStream xis, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException, org.apache.xmlbeans.xml.stream.XMLStreamException {
return (org.example.doc.DocType) org.apache.xmlbeans.XmlBeans.getContextTypeLoader().parse( xis, type, options ); }
/** @deprecated {@link org.apache.xmlbeans.xml.stream.XMLInputStream} */
public static org.apache.xmlbeans.xml.stream.XMLInputStream newValidatingXMLInputStream(org.apache.xmlbeans.xml.stream.XMLInputStream xis) throws org.apache.xmlbeans.XmlException, org.apache.xmlbeans.xml.stream.XMLStreamException {
return org.apache.xmlbeans.XmlBeans.getContextTypeLoader().newValidatingXMLInputStream( xis, type, null ); }
/** @deprecated {@link org.apache.xmlbeans.xml.stream.XMLInputStream} */
public static org.apache.xmlbeans.xml.stream.XMLInputStream newValidatingXMLInputStream(org.apache.xmlbeans.xml.stream.XMLInputStream xis, org.apache.xmlbeans.XmlOptions options) throws org.apache.xmlbeans.XmlException, org.apache.xmlbeans.xml.stream.XMLStreamException {
return org.apache.xmlbeans.XmlBeans.getContextTypeLoader().newValidatingXMLInputStream( xis, type, options ); }
private Factory() { } // No instance of this class allowed
Edited by: user11079482 on Jan 1, 2010 2:09 AM

Ok just as I expected. So I guess I am left with the following two options
1) either I switched to using JAXB in my apps instaed of xmlbeans....
2) or if I still wanna use the old JAX-RPC web services to deploy on the Weblogic 10gR3 server i will have to create my own ant task jwsc directly......as shown below in your docs
Programming Web Services for WebLogic Server (ant tasks)
http://download.oracle.com/docs/cd/E13222_01/wls/docs92/webserv/anttasks.html
Getting Started With WebLogic Web Services Using JAX-RPC
http://download.oracle.com/docs/cd/E12840_01/wls/docs103/webserv_rpc/index.html
Will OEPE be supporting the old JAX-RPC anytime in the near future release? or have to create own build ant task to call jwsc ant task directly to compile JAX-RPC web services??

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Thanks,
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How do we connect to an external web service using its wsdl (possibly implemented in .NET) from Oracle BPEL process?
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Thanks,
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Remove the when others section and see the actual error and post that.
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http://tkyte.blogspot.com/2007/03/dreaded-others-then-null-strikes-again.html

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Is there any way we can call web services in Oracle Applications?
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Hey Ravi,
Thanks for your response. I am not well versed with Java. I am using Forms 6i to achieve this. I dont know what java code do I have to put in the custom directory.
The procedure I am following to call web sevice is as follows:
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2. Deploying this Java class into a JAR file.
3. Then I am placing this JAR file in a directory which was spcified in the LD_LIBRARY_PATH and CLASSPATH including the name of the JAR file.
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Can you please send me an example how you did this to my email?
My email ID is "[email protected]"
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