Problems while consuming a web-service through Netweaver using VPN

Hi all
I'm facing a problem while I'm attempting to consume a .NET web-service that is located in a remote server. We've estabished a VPN connection between our Netweaver CE in Linux to the remote office where the web-service is running.
The problem is, when my application running in Netweaver tries to consume the webservice, it takes the external access to try to reach the webservice URL instead of take the VPN route to do that. ie. my application find an external IP of the webservice instead of finding the internal IP.
When I ping the webservice URL in linux, it brings me the internal IP, but for some unknown reason, the Netweaver don't find the correct route to reach the webservice.
Does anyone have any idea or suggestion on what to do?
Thanks in advance!

> The problem is, when my application running in Netweaver tries to consume the webservice, it takes the external access to try to reach the webservice URL instead of take the VPN route to do that. ie. my application find an external IP of the webservice instead of finding the internal IP.
You're using a proxy?
Markus

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Hi All – We have a web service running on ARSystem (
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WS’
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The WSDL looks like this..
<?xml version="1.0" encoding="UTF-8" ?>
- <wsdl:definitions
targetNamespace="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2"
xmlns="
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xmlns:s="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2"
xmlns:soap="
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xmlns:soapenc="
http://schemas.xmlsoap.org/soap/encoding/"
xmlns:wsdl="
http://schemas.xmlsoap.org/wsdl/"
xmlns:xsd="
http://www.w3.org/2001/XMLSchema">
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- <xsd:schema elementFormDefault="qualified"
targetNamespace="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2">
<xsd:element name="OpCreate" type="s:CreateInputMap"
/>
- <xsd:complexType name="CreateInputMap">
- <xsd:sequence>
<xsd:element name="Description" type="xsd:string" />
<xsd:element name="Requester_Login_Name"
type="xsd:string" />
<xsd:element name="Requester_Name" type="xsd:string"
/>
</xsd:sequence>
</xsd:complexType>
<xsd:element name="OpCreateResponse"
type="s:CreateOutputMap" />
- <xsd:complexType name="CreateOutputMap">
<xsd:sequence />
</xsd:complexType>
<xsd:element name="AuthenticationInfo"
type="s:AuthenticationInfo" />
- <xsd:complexType name="AuthenticationInfo">
- <xsd:sequence>
<xsd:element name="userName" type="xsd:string" />
<xsd:element name="password" type="xsd:string" />
<xsd:element minOccurs="0" name="authentication"
type="xsd:string" />
<xsd:element minOccurs="0" name="locale"
type="xsd:string" />
<xsd:element minOccurs="0" name="timeZone"
type="xsd:string" />
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</xsd:complexType>
</xsd:schema>
</wsdl:types>
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<wsdl:part element="s:OpCreateResponse" name="parameters"
/>
</wsdl:message>
- <wsdl:message name="ARAuthenticate">
<wsdl:part element="s:AuthenticationInfo"
name="parameters" />
</wsdl:message>
- <wsdl:message name="OpCreateSoapIn">
<wsdl:part element="s:OpCreate" name="parameters" />
</wsdl:message>
- <wsdl:portType
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2PortType">
- <wsdl:operation name="OpCreate">
<wsdl:input message="s:OpCreateSoapIn" />
<wsdl:output message="s:OpCreateSoapOut" />
</wsdl:operation>
</wsdl:portType>
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name="CHG_Change_WebService_OpCreate_DisplayOnly_v2SoapBinding"
type="s:CHG_Change_WebService_OpCreate_DisplayOnly_v2PortType">
<soap:binding style="document" transport="
http://schemas.xmlsoap.org/soap/http"
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<soap:operation
soapAction="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2/OpCreate"
style="document" />
- <wsdl:input>
<soap:header message="s:ARAuthenticate" part="parameters"
use="literal" />
<soap:body use="literal" />
</wsdl:input>
- <wsdl:output>
<soap:body use="literal" />
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
- <wsdl:service
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2Service">
- <wsdl:port
binding="s:CHG_Change_WebService_OpCreate_DisplayOnly_v2SoapBinding"
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2Soap">
<soap:address location="
http://<ServerName>/arsys/services/ARService?server=<ServerName>&webService=CHG_Change_Web Service_OpCreate_DisplayOnly_v2"
/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
My CF invocation is as given below..
<cfscript>
Ws=CreateObject("webservice","
http://<servername>/arsys/WSDL/public/<servername>/CHG_Change_WebService_OpCreate_DisplayO nly_v2");
result= ws.opCreate("test1","TEST2","test3");
</cfscript>
<cfoutput>|#result#|</cfoutput>
AND I am getting this error below..
Could not generate stub objects for web service invocation.
Name:
http://<servername>/arsys/WSDL/public/<servername>/CHG_Change_WebService_OpCreate_DisplayO nly_v2.
WSDL:
http://
<servername>/arsys/WSDL/public/<servername>/CHG_Change_WebService_OpCreate_DisplayOnly_v2 .
java.lang.NullPointerException It is recommended that you use a web
browser to retrieve and examine the requested WSDL document for
correctness. If the requested WSDL document can't be retrieved or
it is dynamically generated, it is likely that the target web
service has programming errors.
Java Stack trace:
java.lang.NullPointerException
at
org.apache.axis.wsdl.toJava.Utils.getNewQNameWithLastLocalPart(Utils.java:933)
at
org.apache.axis.wsdl.toJava.JavaStubWriter.writeOperationMap(JavaStubWriter.java:610)
at
org.apache.axis.wsdl.toJava.JavaStubWriter.writeFileBody(JavaStubWriter.java:169)
at
org.apache.axis.wsdl.toJava.JavaWriter.generate(JavaWriter.java:130)
at
org.apache.axis.wsdl.toJava.JavaBindingWriter.generate(JavaBindingWriter.java:147)
at
org.apache.axis.wsdl.toJava.JavaGeneratorFactory$Writers.generate(JavaGeneratorFactory.ja va:423)
at org.apache.axis.wsdl.gen.Parser.generate(Parser.java:471)
at org.apache.axis.wsdl.gen.Parser.run(Parser.java:395)
at org.apache.axis.wsdl.toJava.Emitter.run(Emitter.java:611)
at
coldfusion.xml.rpc.XmlRpcServiceImpl$1.run(XmlRpcServiceImpl.java:213)
at java.security.AccessController.doPrivileged(Native
Method)
at
coldfusion.xml.rpc.XmlRpcServiceImpl.registerWebService(XmlRpcServiceImpl.java:198)
at
coldfusion.xml.rpc.XmlRpcServiceImpl.getWebService(XmlRpcServiceImpl.java:472)
at
coldfusion.xml.rpc.XmlRpcServiceImpl.getWebServiceProxy(XmlRpcServiceImpl.java:427)
at
coldfusion.xml.rpc.XmlRpcServiceImpl.getWebServiceProxy(XmlRpcServiceImpl.java:409)
at coldfusion.runtime.CFPage.createObject(CFPage.java:5993)
at coldfusion.runtime.CFPage.CreateObject(CFPage.java:5848)
at coldfusion.runtime.CFPage.CreateObject(CFPage.java:5813)
at
cftest1252ecfm1199621501.runPage(D:\Inetpub\wwwroot\Pearsontc\sandytest\test125.cfm:11)
at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:152)
at
coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:343)
at
coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65)
at
coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:210)
at
coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:51)
at coldfusion.filter.PathFilter.invoke(PathFilter.java:86)
at
coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:50)
at
coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:2 8)
at
coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
at
coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
at
coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
at coldfusion.CfmServlet.service(CfmServlet.java:105)
at
coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:78)
at
jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:257)
at
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:527)
at
jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:204)
at
jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:349)
at
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:457)
at
jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:295)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
Would be sincerely thankful to ALL who could help me in
resolving my problem as it’s a deadline for me today and I
have some testing left to be done on some other modules as well.
PLEASE PLEASE HELP!!
Thanks.
-S

Ian, Thanks but service is running on REMEDY system and is
written in Java. The new wsdl looks like this..( Please check the
complex type input and return parameter). I cannot change the
service permissions as its not in our control
http://oldtas184/arsys/WSDL/
<?xml version="1.0" encoding="UTF-8" ?>
- <wsdl:definitions
targetNamespace="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2"
xmlns="
http://schemas.xmlsoap.org/wsdl/"
xmlns:s="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2"
xmlns:soap="
http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:soapenc="
http://schemas.xmlsoap.org/soap/encoding/"
xmlns:wsdl="
http://schemas.xmlsoap.org/wsdl/"
xmlns:xsd="
http://www.w3.org/2001/XMLSchema">
- <wsdl:types>
- <xsd:schema elementFormDefault="qualified"
targetNamespace="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2">
<xsd:element name="OpCreate" type="s:CreateInputMap"
/>
- <xsd:complexType name="CreateInputMap">
- <xsd:sequence>
<xsd:element name="Description" type="xsd:string" />
<xsd:element name="Requester_Login_Name"
type="xsd:string" />
<xsd:element name="Requester_Name" type="xsd:string"
/>
</xsd:sequence>
</xsd:complexType>
<xsd:element name="OpCreateResponse"
type="s:CreateOutputMap" />
- <xsd:complexType name="CreateOutputMap">
- <xsd:sequence>
<xsd:element name="Description" type="xsd:string" />
<xsd:element name="Requester_Login_Name"
type="xsd:string" />
<xsd:element name="Requester_Name" type="xsd:string"
/>
</xsd:sequence>
</xsd:complexType>
<xsd:element name="AuthenticationInfo"
type="s:AuthenticationInfo" />
- <xsd:complexType name="AuthenticationInfo">
- <xsd:sequence>
<xsd:element name="userName" type="xsd:string" />
<xsd:element name="password" type="xsd:string" />
<xsd:element minOccurs="0" name="authentication"
type="xsd:string" />
<xsd:element minOccurs="0" name="locale"
type="xsd:string" />
<xsd:element minOccurs="0" name="timeZone"
type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
</wsdl:types>
- <wsdl:message name="OpCreateSoapOut">
<wsdl:part element="s:OpCreateResponse" name="parameters"
/>
</wsdl:message>
- <wsdl:message name="ARAuthenticate">
<wsdl:part element="s:AuthenticationInfo"
name="parameters" />
</wsdl:message>
- <wsdl:message name="OpCreateSoapIn">
<wsdl:part element="s:OpCreate" name="parameters" />
</wsdl:message>
- <wsdl:portType
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2PortType">
- <wsdl:operation name="OpCreate">
<wsdl:input message="s:OpCreateSoapIn" />
<wsdl:output message="s:OpCreateSoapOut" />
</wsdl:operation>
</wsdl:portType>
- <wsdl:binding
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2SoapBinding"
type="s:CHG_Change_WebService_OpCreate_DisplayOnly_v2PortType">
<soap:binding style="document" transport="
http://schemas.xmlsoap.org/soap/http"
/>
- <wsdl:operation name="OpCreate">
<soap:operation
soapAction="urn:CHG_Change_WebService_OpCreate_DisplayOnly_v2/OpCreate"
style="document" />
- <wsdl:input>
<soap:header message="s:ARAuthenticate" part="parameters"
use="literal" />
<soap:body use="literal" />
</wsdl:input>
- <wsdl:output>
<soap:body use="literal" />
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
- <wsdl:service
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2Service">
- <wsdl:port
binding="s:CHG_Change_WebService_OpCreate_DisplayOnly_v2SoapBinding"
name="CHG_Change_WebService_OpCreate_DisplayOnly_v2Soap">
<soap:address location="
http://oldtas184/arsys/services/ARService?server=OLDTAS184&webService=CHG_Change_WebServic e_OpCreate_DisplayOnly_v2"
/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
I have modified my code a little to use a struct object and
the code looks as below..
<cfscript> CreateInputMap1 = structNew();
CreateInputMap1.Description = "test";
CreateInputMap1.Requester_Login_Name = "xxxxxx";
CreateInputMap1.Requester_Name = "yyyyyyy";
ws=CreateObject("webservice","
http://oldtas184/arsys/WSDL/public/OLDTAS184/CHG_Change_WebService_OpCreate_DisplayOnly_v2 ?wsdl");
result= ws.opCreate(CreateInputMap1);
</cfscript>
<cfoutput>#result#</cfoutput>
But I still receive the same error..
Error Occurred While Processing Request
Could not generate stub objects for web service invocation.
Name:
http://oldtas184/arsys/WSDL/public/OLDTAS184/CHG_Change_WebService_OpCreate_DisplayOnly_v2 ?wsdl.
WSDL:
http://oldtas184/arsys/WSDL/public/OLDTAS184/CHG_Change_WebService_OpCreate_DisplayOnly_v2 ?wsdl.
java.lang.NullPointerException It is recommended that you use a web
browser to retrieve and examine the requested WSDL document for
correctness. If the requested WSDL document can't be retrieved or
it is dynamically generated, it is likely that the target web
service has programming errors.
The error occurred in
D:\Inetpub\wwwroot\Pearsontc\sandytest\test125.cfm: line 18
16 : CreateInputMap1.Requester_Name = "Vohra";
17 :
18 : ws=CreateObject("webservice","
http://oldtas184/arsys/WSDL/public/OLDTAS184/CHG_Change_WebService_OpCreate_DisplayOnly_v2 ?wsdl");
19 : // addSOAPRequestHeader(ws, "
http://oldtas184/arsys/WSDL/public/OLDTAS184/CHG_Change_WebService_OpCreate_DisplayOnly_v2 /",
"Description", "test", false);
20 : // addSOAPRequestHeader(ws, "
http://oldtas184/arsys/WSDL/public/OLDTAS184/CHG_Change_WebService_OpCreate_DisplayOnly_v2 /",
"Requester_Login_Name", "John", false);
Stack Trace (click to expand)
at
cftest1252ecfm1199621501.runPage(D:\Inetpub\wwwroot\Pearsontc\sandytest\test125.cfm:18)
at
cftest1252ecfm1199621501.runPage(D:\Inetpub\wwwroot\Pearsontc\sandytest\test125.cfm:18)
java.lang.NullPointerException
at
org.apache.axis.wsdl.toJava.Utils.getNewQNameWithLastLocalPart(Utils.java:933)
at
org.apache.axis.wsdl.toJava.JavaStubWriter.writeOperationMap(JavaStubWriter.java:610)
at
org.apache.axis.wsdl.toJava.JavaStubWriter.writeFileBody(JavaStubWriter.java:169)
at org.apache.axis.wsdl.toJava.JavaWriter.generate
The REMEDY logs has this message - "Required element expected
in the input XML document":

Query: Authentication Error while consuming a web service

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Should I take care of any setup other than what I've specified?.
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Provider com.sun.xml.ws.spi.ProviderImpl not found
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What am I missing?
CLASSPATH should be ok, since it is set to (and it is the same of the "standard" consumer):
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/activation.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/FastInfoset.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/http.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/jaxb-impl.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/jaxb-xjc.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/jaxws-rt.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/jaxws-tools.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/jsr250-api.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/resolver.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/saaj-impl.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/sjsxp.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/stax-ex.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/streambuffer.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/api/jaxb-api.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/api/jaxws-api.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/api/jsr173_api.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/api/jsr181-api.jar
/opt/netbeans-5.5.1/ide7/modules/ext/jaxws21/api/saaj-api.jar
Thanks in advance for any reply and/or suggestion.
Pierpaolo.

Hi,
Can anyone help me with this ??
I guess I am not able to send the authorization credentials via the request to the web service invocation.
Plz help ! This is a bit urgent..
Regards,
Shiva Kiran

Problem while calling a web service in BOBJ Data services

Hello Experts,
I am trying to call a web service in bobj data services. A real time job has been scheduled and published as a web service. I want to consume this service in web dynpro java.
I tried both the methods the adaptive web services and depricated version. I also tried calling the url directly and with the metadata and execution destinations.
No matter what I do, I keep getting the following error.
Exception on execution of web service with WSDL URL 'http://XXXXX:28080/DataServices/servlet/webservices?ver=2.0&wsdl' with operation 'SERVICE_<NAME>' in interface 'Real-time_Services'
The call never reaches data services system. If I try to call the service from soapUI (web service testing tool) it works fine.
I am using SAP NW 7.0 SP22 .
Here is my code in dynpro to call the service.
 AdaptiveModel mod = new AdaptiveModel();
 Request_SERVICE_MDM_LOOKUP request = new Request_SERVICE_MDM_LOOKUP(mod);
 Query1 query1 = new Query1(mod);
 Response_SERVICE_MDM_LOOKUP response = new Response_SERVICE_MDM_LOOKUP(mod);
 request.setQuery(query1);
 request.setResponse(response);
 List list = new ArrayList();
 DefinitionsTypes_XsdSchema_1__XsdElement_1__XsdComplexType_Sequence1 element = new DefinitionsTypes_XsdSchema_1__XsdElement_1__XsdComplexType_Sequence1(mod);
 element.setCustomer_Name(wdContext.currentContextElement().getCustomerName());
 element.setZip_Code(wdContext.currentContextElement().getZipcode());
 element.setAddr1("");
 element.setAddr2("");
 element.setCity("");
 element.setCountry("");
 element.setState("");
 list.add(element);
 query1.set$002fDefinitions$002fTypes$002fXsdSchema$005b1$005d$002fXsdElement$005b1$005d$002fXsdComplexType$0023Sequence1(list);
 wdContext.nodeRequest_SERVICE_MDM_LOOKUP().bind(request);
 wdContext.currentRequest_SERVICE_MDM_LOOKUPElement().modelObject().execute();
 wdContext.nodeResponse().invalidate();
 wdContext.nodeQueryResponse().invalidate();
 wdContext.nodeSequenceResponse().invalidate();
Please let me know if you have any pointers on how to solve this.
Thanks in advance
Praveen.

have you create the destination?
do you use the wizard to generate code?
usually there is catch clause for this line of code
wdContext.currentRequest_SERVICE_MDM_LOOKUPElement().modelObject().execute();
Edited by: John Wu on Dec 16, 2010 11:51 PM

Problem while importing a web service model.

Hi
I am building a simple send email application using a web service.
While creating a new model i am using following options.
step 1 - Select "Import Adaptive web service model"
step 2 - Select Wsdl Source
2.1 - Local file system or URL
Step 3 - No logical destination
step 4 - choose wsdl file from file system.
Process successfully done and model created.
BUT
when i am trying to run this application it is throwing file not found exception. i.e. not able to locate wsdl file.
java.io.FileNotFoundException: C:\AbysalEmail.wsdl (The system cannot find the file specified)
I am using remote network connection to access NWDS. and in remote drive C: itself i have saned my file.
Then Why it is not able to locate my file.
Please Help me out.
Thanks.

Hi
I have provided in J2EE Engine visual administrator under
Web Services Security -> Dynamic web services proxies
following configuration.
I have created a new Dynamic web service proxie.
And in it under connection settings -> URL i have specified
http://<host>:<port>/
Above is host name and potr from where my WebDynpro application runs.
But my file is located in C:\
I think i am unable to set mapping configuration
from
http://<host>:<port>/
to
C:\
Where shall i ten keep my WSDL file.!!!
Thanks.
Edited by: Saurabh Agarwal on Jul 30, 2008 1:34 PM

Problems while consuming a web-service through Netweaver using VPN

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