Error while consuming Web Service (returning XML ) in ABAP

Hi,
i am trying to consume a web service in ABAP. ( webservice which takes a request and return a XML string back).
I created a proxy class in SE80. and i tested it successfully.
When i tried to use the class in my program, it is giving dump.
i am not sure what is the problem. I guess it is not able to handle null values in XML.if that is the case. how to handle it..

The dump says:
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED
Except.                CX_SY_REF_IS_INITIAL
Error analysis
    An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
     caught and
    therefore caused a runtime error.
    The reason for the exception is:
    You attempted to use a 'NULL' object reference (points to 'nothing')
    access a component (variable: "LO_CLIENTPROXY").
    An object reference must point to an object (an instance of a class)
    before it can be used to access components.
    Either the reference was never set or it was set to 'NULL' using the
    CLEAR statement.
I think this dump is because of the default value ( space) in some elements. How to avoide that.
wheni catch CX_SY_REF_IS_INITIAL it is not giving any dump. But this is not my requirement. Because it is not getting anything into response string.

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Thanks,

Hi all,
Please throw some light into this issue i am getting the following exception.
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Message was edited by: mastan vali

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Hello,
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(1)
Error while executing web part: System.Xml.Xsl.XslLoadException: XSLT compile error. An error occurred at (1,475). ---> System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
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lazyResult)     at System.Threading.ExecutionContext.runTryCode(Object userData)     at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
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buffer, Int32 count, AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.ProcessReceivedBlob(Byte[]
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at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback,
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(3)
InnerException 2: System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.     at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest
asyncRequest, Exception exception)     at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer,
AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer,
AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer,
AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest)     at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult
lazyResult)     at System.Threading.ExecutionContext.runTryCode(Object userData)     at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)     at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)     at System.Net.TlsStream.Write(Byte[]
buffer, Int32 offset, Int32 size)     at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)     at System.Net.ConnectStream.WriteHeaders(Boolean async)

Hello,
It seems that issue is related to certificate. Could you please upload certificate to central admin and make it trust.
Just try this and see the result:
http://social.technet.microsoft.com/Forums/en-US/cbc58585-1673-4c91-b8c1-1b95c339bbb7/could-not-establish-trust-relationship-for-the-ssltls-secure-channel?forum=fastsharepoint
http://social.msdn.microsoft.com/Forums/en-US/7a7e56ba-6e95-4a84-9384-791818cce89d/the-underlying-connection-was-closed-could-not-establish-trust-relationship-for-the-ssltls-secure?forum=sharepointdevelopmentprevious
http://www.infotext.com/help/sharepoint-could-not-estabilish-trust-relationship-for-the-ssltls-secure-channel-when-crawling-ssl-enabled-websites/
If still face the issue then tell us more about your webparts and also confirm if you are facing same problem to other page and site.
Hemendra:Yesterday is just a memory,Tomorrow we may never see
Please remember to mark the replies as answers if they help and unmark them if they provide no help

Error while testing Web Service in WS Navigator

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at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:42)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:447)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:264)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:56)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:115)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:96)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:315)
Caused by: com.sap.engine.services.webservices.jaxrpc.exceptions.SOAPFaultException: Error during proxy processing
at com.sap.engine.services.webservices.espbase.client.bindings.impl.FaultUtil.buildFaultException_SOAP11(FaultUtil.java:220)
at com.sap.engine.services.webservices.espbase.client.bindings.impl.FaultUtil.buildFaultException(FaultUtil.java:65)
at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.processFault(SOAPTransportBinding.java:1924)
... 73 more
Datum:     Single Click Filter by Datum     2011-01-18
Zeit:     Single Click Filter by Zeit     09:39:05:734
Kategorie:     Single Click Filter by Kategorie     com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding
Ort:     Single Click Filter by Ort     com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding
Applikation:     Single Click Filter by Applikation     sap.com/tcesiespwsnavui
Thread:     Single Click Filter by Thread     Thread[HTTP Worker [@18923517],5,Dedicated_Application_Thread]
Datenquelle:          j2ee\cluster\server0\log\defaultTrace_00.trc
Argumente:
DSR-Transaktion:     Single Click Filter by DSR-Transaktion     41dd215022de11e08794000c2952e027

Error while consuming Odata service from Gateway client i.e /iwfnd/gw_client

Hello Experts.
I am facing below an error while consuming the Odata service from GW client... The error is "No service found for the namespace /IWFND/,name ZTEST_STOREROOM_SRV,version 001". Even i have tried to deep dive in /IWFND/Error_log but no use..
Actually what I was doing :- My aim is to connect multiple back end systems in the same server with the help of Aliasing concept.. I have created multiple aliases and added in the /IWFND/MAINT_Service transaction.. but i am not getting how to consume the service..
I have followed the solution upto some extent in the link => Multiple Origin Composition - SAP NetWeaver Gateway Foundation (SAP_GWFND) - SAP Library
Can you please let me know how to resolve this.. Also please let me know, the syntax for the URI...
Your help is highly appreciated..
Please find the screenshot attached.
Thanks,
Srinivas.

Hello @Nrisimhanadh_Yandamuri
Thanks for your reply..
I have got all the required authorization.. But still I am not able to hit the service.. Please let me know what could be the solution..
Thanks,
Srinivas.

Windows authentification while consuming web service from ABAP

Hi All,
We are consuming web service from ABAP, we have created client proxy in SE80 and configured logical port in LPCONFIG.
This one was working fine. Now we have added windows user authentification to access this service.
Now when I'm trying to regenerate this proxy in R/3 it is asking for user and password. When I enter these details this one is not working.
If I access this service direcly from internet explorer and I enter same user and password then I would able to access this service.
Could you please let me know how to handle this.
Regards
Vikram

The dialog that is produced by HTTP Destination object of the logical port is designed only for use within Classic Dynpro applications. There is no prompt produced when running in Web Dynpro. If possible assign a generic user within the logical port definition and this will be used automatically by all users.

500 Error code while consuming web service using HTTPURLConnection

Hi,
I am getting an HTTP response code 500 and an IOException when I run a web service client to invoke a BMC Remedy web service (document based). I am using XML over HTTP to hit the web service as follows:
// For Remedy
soapAddress = "http://www.test-sislhelpdesk.siemens.co.in/arsys/services/ARService?server=bomw041a&webService=WebService_Test";
soapEnvelope = "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"><SOAP-ENV:Header><AuthenticationInfo><userName>webservice</userName><password>*******</password></AuthenticationInfo></SOAP-ENV:Header><SOAP-ENV:Body><Q1:OpGetList xmlns:Q1=\"urn:WebService_Test\"><Q1:Qualification></Q1:Qualification></Q1:OpGetList></SOAP-ENV:Body></SOAP-ENV:Envelope>";
soapAction = "urn:WebService_Test/OpGetList";
     URL url = new URL(soapAddress);
     HttpURLConnection connection = (HttpURLConnection) url.openConnection();
     System.out.println ("Connection got");
     connection.setDoOutput(true);
     connection.setRequestProperty("Content-Type","text/xml");
     connection.setRequestProperty ("soapAction", "\"" + soapAction + "\"");
     OutputStreamWriter outputStream = new OutputStreamWriter(connection.getOutputStream());
     System.out.println ("outputstream got");
     outputStream.write(soapEnvelope);
     outputStream.flush();
     BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
     String line = null;
     while ((line = reader.readLine()) != null)
          writer.write(line);
          writer.write("\n");
     System.out.println (writer);
     catch(Exception e){
          e.printStackTrace();
I have created a .NET client proxy which seems to work well.
I am not able to figure out as to why this code is not working. May be something wrong with the SOAP message request I am sending? But I have created this SOAP request message from the log generated for a successful hit. Any help in this regard will be highly appreciated.
The web service is on the internet and hance is accessible to all :)
Regards
Vaibhav

Tried "POST" request method, did not work.
Actually when i hit other web services (created by me) , the code works.
But when I hit a third party web service, it fails returning 500 error code.
How can I extract the SOAP message returned, if any and see thinggs for myself.
I guess there is something wrong with the request SOAP message which I am sending.

Error 504 DNS look up failed while calling web services using XML

Hi, I am trying to call web service from Oracle using XML.
Everything seems to be in place but im getting an error "The webserver for <My End URL> reported that an error occurred while trying to access the website. Please click here to return to the previous page."
If I directly access the end url from my browser its accessible and seems to work fine.
The http response receiveed is mentioned below:
Status code: 403
Reason phrase: Forbidden
<html>
<head>
<title>504 DNS look up failed</title>
</head>
<body>
<font size=2><table width="100%"><tr><td bgcolor=#3300cc align="center" colspan=2>504 DNS look up failed</td></tr></table><br><br>The webserver for 'My End URL' reported that an error occurred while trying to access the website. Please click <u>here</u> to return to the previous page.<br><br><hr></font></body>
</html>
Im using Oracle 9i
Please help
Edited by: 927814 on Apr 15, 2012 11:41 PM
Edited by: 927814 on Apr 15, 2012 11:46 PM

Without far greater details as to what you are doing, what you have installed, and what you have tried, not much can be offered. All that I can gather from the information you provided is that the server name you are trying to contact either is not responding or is invalid. If you have Forms installed on your local machine (for example using Developer Suite), try using localhost rather than the hostname. For example, http://localhost:port/forms/frmservlet?form=yourform
http://www.checkupdown.com/status/E504.html

XML parser error while testing web service client using jdeveloper 10.1.2.1

hi
I have generated a web service stub/skeleton out of the wsdl file using jdeveloper 10.1.2.1.0. The client will return a complex type result, i.e., it will return an array of elements. When I try to run the client using jdeveloper 10.1.2.10 i am getting the following error:
E:\oracle\DevSuiteHome_1\jdk\bin\javaw.exe -ojvm -classpath E:\oracle\DevSuiteHome_1\jdev\mywork\Application2\Project2\classes;E:\oracle\DevSuiteHome_1\jdev\lib\jdev-rt.jar;E:\oracle\DevSuiteHome_1\soap\lib\soap.jar;E:\oracle\DevSuiteHome_1\lib\xmlparserv2.jar;E:\oracle\DevSuiteHome_1\jlib\javax-ssl-1_2.jar;E:\oracle\DevSuiteHome_1\jlib\jssl-1_2.jar;E:\oracle\DevSuiteHome_1\j2ee\home\lib\activation.jar;E:\oracle\DevSuiteHome_1\j2ee\home\lib\mail.jar;E:\oracle\DevSuiteHome_1\j2ee\home\lib\http_client.jar;E:\oracle\DevSuiteHome_1\lib\xmlcomp.jar mypackage2.RESSelectionServiceStub
oracle.xml.parser.v2.XMLElement@11
java.lang.ClassCastException: oracle.xml.parser.v2.XMLText
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:877)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:903)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:928)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.fromElement(WrappedDocLiteralStub.java:621)
     at mypackage2.RESSelectionServiceStub.selectParticipants(RESSelectionServiceStub.java:112)
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:43)
java.lang.ClassCastException: oracle.xml.parser.v2.XMLText
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:877)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:903)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:928)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.fromElement(WrappedDocLiteralStub.java:621)
     at mypackage2.RESSelectionServiceStub.selectParticipants(RESSelectionServiceStub.java:112)
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:43)
java.lang.ClassCastException: oracle.xml.parser.v2.XMLText
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:877)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:903)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:928)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.fromElement(WrappedDocLiteralStub.java:621)
     at mypackage2.RESSelectionServiceStub.selectParticipants(RESSelectionServiceStub.java:112)
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:43)
[Lmypackage2.ProfiledClaimant;@18
java.lang.ClassCastException: oracle.xml.parser.v2.XMLText
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:877)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:903)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:928)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.fromElement(WrappedDocLiteralStub.java:621)
     at mypackage2.RESSelectionServiceStub.selectParticipants(RESSelectionServiceStub.java:113)
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:43)
java.lang.ClassCastException: oracle.xml.parser.v2.XMLText
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:877)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:903)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:928)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.fromElement(WrappedDocLiteralStub.java:621)
     at mypackage2.RESSelectionServiceStub.selectParticipants(RESSelectionServiceStub.java:113)
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:43)
java.lang.ClassCastException: oracle.xml.parser.v2.XMLText
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:877)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:903)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.getType(WrappedDocLiteralStub.java:928)
     at oracle.jdeveloper.webservices.runtime.WrappedDocLiteralStub.fromElement(WrappedDocLiteralStub.java:621)
     at mypackage2.RESSelectionServiceStub.selectParticipants(RESSelectionServiceStub.java:113)
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:43)
java.lang.ArrayIndexOutOfBoundsException: 1
     at mypackage2.RESSelectionServiceStub.main(RESSelectionServiceStub.java:55)
Process exited with exit code 0.I have googled to see if i can get any solution , i got the following information:
Cannot Generate a Stub or Skeleton for a WSDL that Uses Certain Types (3912349)
JDeveloper 10.1.2 only understands a subset of all of the complexTypes that can be defined in a WSDL document. For example, if the following appear in the "types" section of the WSDL, any use of those types will cause JDeveloper to generate a reference to UnknownType in a stub or skeleton:
•     Restrictions of simpleTypes
•     complexTypes which define attributes Does that mean that the jdeveloper will not support complex types?Could anybody tell me how to resolve the above said issue? Is there any patch that i can run to resolve the issue?

Can i use the client generated using jdeveloper 11g to import into the oracle forms 10g, i.e., form builder 10g. Currently this is the version we have in our office.

XML Deserialization error while consuming Enterprise service in wd java..

Hello,
I am trying to build 2 webdynpro java webdynpro applications which consumes enterprise service for purchase order and another application for Busines partner.
While i was able to successfully consume the PO service in webdynpro java and get the desired output for PO..i get XML Deserialization error while running appliation for Business Partner..
These are the details/steps i followed for the Business Partner application:
1. After creating the model using the enterprise service, i created a service controller from the model to the component controller..
2. Out of many inputs/output attributes during mapping from model to component controller. i further mapped the context from CC to ViewC.
3. In the wdDoInit() method, i added the follwing code:
    BPCreate model1 = new BPCreate();
    Request_BusinessPartnerERPCreateRequestConfirmation_In RequestC = new Request_BusinessPartnerERPCreateRequestConfirmation_In(model1);
    BPERPCrteReqMsg_S CreateMessage = new BPERPCrteReqMsg_S(model1);
    BPERPCrteReq_SBP Cpartner = new BPERPCrteReq_SBP(model1);
String Category = new String();
    String lf = new String();
    Cpartner.setInternalID(new String());
    Cpartner.setNumberRangeIntervalBusinessPartnerGroupCode(new String());
    Cpartner.setLifeCycleStatusCode(lf);
    Cpartner.setCategoryCode(Category);
    CreateMessage.setBusinessPartner(Cpartner);
    RequestC.setBusinessPartnerERPCreateRequestMessage_Sync(CreateMessage);
    wdContext.nodeBusinessPartnerERPCreateRequestMessage_Sync().bind(CreateMessage);
4. When i comment this code and run the application, the aplication comes up but the input fields are non-editable..
5. If i place this code in wdDoInit() method, i get the Deserialization error..
Any idea about why this error occurs and which areas in the application can lead to these errors?
I checked that the service runs fine in soamanager.
Thanks, JVR

Hi Kishore,
This error is majorly because while executing this Webdynpro application you are not entering all the mandatory fileds of WS.
Please try to execute this WS from WS-Navigator, check which fileds are mandatory and then
appropriately instantiate it in wdDoInit and pass all the fields required.
Regards,
Vaibhav Modi.

Error while consuming Web Service (returning XML ) in ABAP

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