cannot authentificate with ksoap2

Hello,
I am trying to authentificate to a SAP server with ksoap and i am stuck... it seems that it does not want to take into consideration my username and password. This is my code:

I receive this error:

expected: START_TAG {http://schemas.xmlsoap.org/soap/envelope/}Envelope (position:START_TAG <html>@1:6 in java.io.InputStreamReader@40537cd0) 
[2012-01-25 12:25:14 - Emulator] W/System.err( 503): org.xmlpull.v1.XmlPullParserException: expected: START_TAG {http://schemas.xmlsoap.org/soap/envelope/}Envelope (position:START_TAG @1:6 in java.io.InputStreamReader@40537cd0) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at org.kxml2.io.KXmlParser.exception(KXmlParser.java:273) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at org.kxml2.io.KXmlParser.require(KXmlParser.java:1424) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at org.ksoap2.SoapEnvelope.parse(SoapEnvelope.java:127) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at org.ksoap2.transport.Transport.parseResponse(Transport.java:100) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:195) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at com.test.TestWebserviceActivity.onCreate(TestWebserviceActivity.java:78) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.app.ActivityThread.access$1500(ActivityThread.java:117) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.os.Handler.dispatchMessage(Handler.java:99) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.os.Looper.loop(Looper.java:123) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at android.app.ActivityThread.main(ActivityThread.java:3683) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at java.lang.reflect.Method.invokeNative(Native Method) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at java.lang.reflect.Method.invoke(Method.java:507) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) [2012-01-25 12:25:14 - Emulator] W/System.err( 503): at dalvik.system.NativeStart.main(Native Method)

The response is null, the androidHttpTransport.requestDump is null. What am I doing wrong, do you know? Thank you for your time...

Hi!
What kind of authentication does the web service expect?
There was recently a discussion on how to authenticate a kSoap2 client with a web service and the conclusion was that kSoap2 does not support WS-Security and it would take significant work to implement such support in a client. There is the option of basic security.
Have you managed using the web service using soapUI or some other, non-kSoap2, client?
Best wishes!

Hello

All i know is that there is a SAP webserver and not sure how to know what type of authentification it expects or how to know that. I found this link here and it might be using WS-Security.
Do you know another approach to connecting from Android to a SAP server?
I have tried using HttpClient and basic auth but that didn't work either.I kept getting the message that i am not authorized.

Thank you

Hi!
Depending on the situation and the requirements, I would consider a mediator service that uses SOAP web service to communicate with the SAP server and, for instance, JSON to communicate with the mobile device.
Such a mediator service can easily be set up using existing integration frameworks/tools.
You should be able to tell from the WSDL of the SAP service whether it uses WS-Security or not. If it does, there probably are WS-Policy data in the WSDL.
Best wishes!