Webservice: client proxy chokes on (any) reply

I have made sure that:
- there is a complete reproduction scenario
- the webservices are online!
- the wsdls and eclipse project with proxies and test program calling the proxies are attached
I can't find any references (SDN/google, posted on SDN) which help me with the errors my proxies (generated in Netweaver Developer Studio) keep getting when reading/processing the response message. Therefore I would be grateful for any pointer which helps me solve/workaround this problem.
PROBLEM:
Netweaver Developer Studio generated proxies choke when reading/processing our reply:
     at com.sap.engine.services.webservices.jaxrpc.wsdl2java.soapbinding.MimeHttpBinding.getResponseDocument(MimeHttpBinding.java:1077)
     at com.sap.engine.services.webservices.jaxrpc.wsdl2java.soapbinding.MimeHttpBinding.call(MimeHttpBinding.java:1432)
     at com.quintiq.WSNullPointerExceptionProblem.Foo.FooBindingStub.foo(FooBindingStub.java:87)
FACTS & MY ANALYSIS
- We are using our own SOAP implementation, just so you know
- I tried all kinds of webservice signatures (void foo(void), string foo(string) etc...) All give the same problem
- Error messages work fine! (Our errormessage is read and perfectly converted into an exception)
- I ran several checkers/validators:
- EP Web Services Checker has no problem
- WS-I check reveals that the only problem is that we don't use UTF-8, but iso-8859-1 (I tried using UTF-8 which should be ok, same problem)
- Mindreef SoapScope gives no problem
- Several web based WSDL validators (also invoking the service) have no problem
- I use stateless communication (checkbox in LogicalPort configuration)
- I am using the sneak preview available for evaluation on SDN: " Sneak Preview SAP NetWeaver 04 - Full Java Edition with SAP NetWeaver Portal, NW04 SP16 11 Apr 2006"
- I get a warning (using guidgenerator.jar removes the warning, but does not help with the real problem)
Warning ! Protocol Implementation [com.sap.engine.services.webservices.jaxrpc.wsdl2java.features.builtin.MessageIdProtocol] could not be loaded (NoClassDefFoundError) !
Error Message is :com/sap/guid/GUIDGeneratorFactory
REPRODUCTION
Using the workspace attached:
To call webservice Foo: run with the main supplied in class com.quintiq.WSNullPointerExceptionProblem.Foo.Test_Foo
To call webservice PCT_DUEDATE: run with the main supplied in class com.quintiq.WSNullPointerExceptionProblem.Test_PCT_DUEDATE
To call both: run with the main supplied in class Main in the default package
It takes about 5/10 minutes to generate proxies yourself and call the webservice. (Don't forget to check the "stateless communication" checkbox in the LogicalPort configuration!)
The error is always the same:
java.rmi.RemoteException: Service call exception; nested exception is:
     java.lang.NullPointerException
     at com.quintiq.WSNullPointerExceptionProblem.Foo.FooBindingStub.foo(FooBindingStub.java:99)
     at com.quintiq.WSNullPointerExceptionProblem.Foo.Test_Foo.main(Test_Foo.java:26)
     at Main.main(Main.java:20)
Caused by: java.lang.NullPointerException
     at com.sap.engine.services.webservices.jaxrpc.wsdl2java.soapbinding.MimeHttpBinding.getResponseDocument(MimeHttpBinding.java:1077)
     at com.sap.engine.services.webservices.jaxrpc.wsdl2java.soapbinding.MimeHttpBinding.call(MimeHttpBinding.java:1432)
     at com.quintiq.WSNullPointerExceptionProblem.Foo.FooBindingStub.foo(FooBindingStub.java:87)
     ... 2 more
Kind regards,
Patrick

Found the problem. We returned HTTP code 202 (Accepted) instead of 200 (OK) when the response was in the body.
Patrick

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Thanks a lot in advance!
Best Regards,
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Hi gaurav,
From client proxy u have to send request and get the response back...
So, for this create 2 corresponding data types and message types. and mapping will be between request message type which u created and request wsdl message and another mapping for response wsdl message and response message type which u created.
create service interface outbound synchronous(give the message types which u created) and inbound synchronous(give the wsdl request and response messages).
Regards,
Sunitha

Consume Webservice using Client Proxy

I wanted to consume the .NET webservice in SAP. I've below question, can anyone clarify me please?
1. Can we use client Proxy to consume the external webservice? I read in some document that this can be used if we are using XI message interface.
2. The webservice requires an user ID & password, how can i pass the authentication details to call the webservice if I use the Client proxy?
Thanks in advance
BM

1. Can we use client Proxy to consume the external webservice? I read in some document that this can be used if we are using XI message interface.
2. The webservice requires an user ID & password, how can i pass the authentication details to call the webservice if I use the Client proxy?
-> 1) You can configure the server to use its own soap runtime. Check out transaction lpconfig.
-> 2) You may user transaction sm59 and configure a rfc connection of type HTTP to extenal server. This allows you to pass
a user/password permanently.
regards, Stefan

Error in creation of client proxy.

Hello all,
I try to consume a webservice in SAP ABAP. When i create the service consumer proxy it is giving an error message llike
"Incorrect value: Unknown QName http://wholesale...........................sendeWholesaleMeldungRequest"
Have anyone come across this error scenario.
I m using SAP ECC 6.0.
Regards
Sandep.

Hi Sandeep,
--->While creating client Proxy object to consume the webservice a pop will raise with 4 radio buttons options,i think you had selected any one of that depending upon your requirement,rite,If not do that and try.
-->If you have the WSDL file in your local system select the Radio Button WSDL and import it into your Client Proxy.
-->Also create the Logical Port.
Thanks

Error while creating a client proxy for CBR.RU

Hi!
I need to consume web service. Here is the link: http://www.cbr.ru/DailyInfoWebServ/DailyInfo.asmx?WSDL
I tried to make an own client proxy with SE80 transaction. (edit object->enterprise services -> client proxy -> create) After completing wizard an error occurs with text:
Incorrect value: Unknown Namespace http://www.w3.org/2001/XMLSchema
The same schema works perfecrly with this web service:
http://www.deeptraining.com/webservices/wsStrings.asmx?WSDL
In this case proxy class is created with no errors and everything is fine.
Could anybody let me know what's the reason of such bug, please? I'm not competent with XML schemas so it's kind of difficult to understand what's wrong with WSDL file from CBR.RU

Late response I know, but I have solved a similar problem recently and thought I would share.
Firstly, the problem is not with the namespace. The "Namespace ..." part is just stating the namespace the "Incorrect Value" has. So this error is complaining about the value "Unknown" - which isn't very helpful.
It appears the SAP SE80 importer does not like elements like the following because it can't understand <s:element ref="s:schema" />. It appears this is a common thing to be included in .NET generated WSDLs.
<s:element minOccurs="0" maxOccurs="1" name="GetCursDynamicResult">      <s:complexType>          <s:sequence>               <s:element ref="s:schema" />               <s:any />          </s:sequence>     </s:complexType></s:element>
SAP will also not like this example as it does not support mixed content (see: http://www.w3schools.com/schema/schema_complex_mixed.asp)
<s:element minOccurs="0" maxOccurs="1" name="SaldoXMLResult">
     <s:complexType mixed="true">
          <s:sequence>
               <s:any />
          </s:sequence>
     </s:complexType>
</s:element>
You can "Fix" the problem in both cases by removing the offending text in a local copy of the WSDL file so remove line 4 in the first example and change line 2 in the second to <s:complexType> the proxy can then be generated. No idea if the resulting service will be fully operational though!

Invoking a bpel process using webservice client

I am not able to run the sample webservice client from
102.InvokingProcesses/ws.
When I try my own program for 132.UserTasks(very similar to the example program),
The correct input looks like
<inputVariable>
- <part xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="payload">
- <ns1:stockReviewSheet xmlns:ns1="http://samples.otn.com">
<ns1:symbol>ORCL</ns1:symbol>
<ns1:targetPrice>100.0</ns1:targetPrice>
<ns1:currentPrice>100.0</ns1:currentPrice>
<ns1:action>200</ns1:action>
<ns1:quantity>122</ns1:quantity>
</ns1:stockReviewSheet>
</part>
</inputVariable>
While from the invoking process whatever I give comes as
<ns0:stockReviewSheet>
<action>buy</action>
<currentPrice>122.23</currentPrice>
<quantity>100</quantity>
<symbol>ORCL</symbol>
<targetPrice>10.23</targetPrice>
</ns0:stockReviewSheet>
I am using the version 10.1.3 and the error I get on the application side is
07/08/27 17:42:20.757 UserTaskSampleUI: Servlet error
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
     at java.util.ArrayList.RangeCheck(ArrayList.java:546)
     at java.util.ArrayList.get(ArrayList.java:321)
     at java.util.Collections$UnmodifiableList.get(Collections.java:1155)
     at displayTask.jspService(_displayTask.java:105)
     at com.orionserver[Oracle Containers for J2EE 10g (10.1.3.1.0) ].http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:453)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:591)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:515)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:711)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:866)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:448)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:216)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:117)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:110)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.1.0) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
Can anybody point me to invocation of bpel process via web service for complex object types like User for 10.1.3??
Any input would be highly useful!!!
Message was edited by:
user576399
Message was edited by:
user576399

Sancho,
Thanks for the prompt reply. We trying to automate the following process:-
1. The user select multiple documents from a folder in a library that contains all released documents.
2. He then locks the documents.
3. Selects the locked documents and copies it to a folder in the personal library.
We are trying to lock and copy the documents as a 1 step process, because its difficult for the users to select all of the documents locked earlier and then copy it the personal library.
We are trying to take the folder name as the user parameter, when the files are locked, so that the process and create the lock the files, create the folder and copy the files in this folder.
Thanks again for your time and help.
Hetal

Setting up authentication for client proxy in SOAMANAGER

Hi all,
          I have a webservice in .NET system and i have created Client proxy in ABAP.
          I have created logical port also.
          When i am testing the service I am getting a POP-UP to enter username and password.
          Is there any setting for athentication in SOAMANAGER where we can specify the USERNAME &
          Password so that POP-UP for the same is surpassed while testing.
          This, can help calling the service in background.
          Please help am on the end of my wits.
Thanks & Regards.
Yats.

hope below docuements would help you.
Re: Inbound Proxy as WebService
https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/b04408cc-f10e-2c10-b5b7-af11026b2393
regards
nag

Handling streaming attachments in Client Proxy

I'm no java programmer in any shape or form so I'm really struggling with a web service that I've created that utilizes streaming attachments. THe OEM test web page returns the attachment perfectly well in the SOAP response but I'm unable to harness the Java to deal with it in the client proxy code.
I created a proxy using the wsa command line utility but there is some java expertise required to code the 'main' class. Does anyone have an example of java code that takes the 'oracle.webservices.attachments' and returns it in a useful form to a calling application? In essence, what I'm looking to do is to call the proxy from pl/sql, and return the attachment as a CLOB.
Does anyone know of any examples of proxy java code handling this type of thing?

I've managed to create a proxy that saves the streaming attachment to a local directory (thanks to the info at this post: Re: Streaming Attachments
The problem I have is that I have to hardcode parameters into the HttpSoap11Client code like this:
public static void main(String[] args) {
try {
getxmlweb.proxy.HttpSoap11Client myPort = new getxmlweb.proxy.HttpSoap11Client();
System.out.println("calling " + myPort.getEndpoint());
// Add your own code here
String pResId = null ;
String pFileName= null;
String pFilterStr = "sepa_region='North'";
String fileName = "/tmp/plain1.txt";
AttachmentFactory factory = AttachmentFactory.newInstance();
Attachments atts = factory.createAttachments();
myPort.getClob(pResId,pFileName,pFilterStr, atts);
The last line here is the call to the method that creates the response, I need to pass parameters to this call DYNAMICALLY. I've tried setting up parameters in the 'public void main' signature but it doesn't compile telling me it must be public static void main(String[] args). This is where my lack of JAVA skills are letting me down.
Can anyone see a way around this?

Webservice: client proxy chokes on (any) reply

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