B4J Question Internal Server Error

[aaronk]

Hi,

I originally had a issue trying to send a SOAP message/request but have now solved that issue. (https://www.b4x.com/android/forum/threads/help-with-soap-in-b4j.55088/)

Now when I send the request I am getting a error and the reply I am getting is as below:

<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><soap:Fault><soap:Code><soap:Value>soap:Receiver</soap:Value></soap:Code><soap:Reason><soap:Text xml:lang="en">Server was unable to process request. ---&gt; Data at the root level is invalid. Line 1, position 1.</soap:Text></soap:Reason><soap:Detail /></soap:Fault></soap:Body></soap:...

Internal Server Error

Can't seem to work out where Line 1, Position 1 is?

The code I am using to send the request is as follows:

'Non-UI application (console / server application)
#Region  Project Attributes
    #CommandLineArgs:
    #MergeLibraries: True
#End Region

Sub Process_Globals
 
End Sub

Sub AppStart (Args() As String)

    Dim job1 As HttpJob
       Dim requestSoapXML As String

       requestSoapXML = "<?xml version='1.0' encoding='utf-8'?>" & _
                    "<soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'>" & _
                    "  <soap:Header>" & _
                    "    <CredentialsHeader xmlns='https://xxx.xxx.xxx.xxx/test/API'>" & _
                    "      <OrganizationID>1234</OrganizationID>" & _
                    "      <Username>Admin</Username>" & _
                    "      <Password>1234</Password>" & _
                    "    </CredentialsHeader>" & _
                    "  </soap:Header>" & _
                    "  <soap:Body>" & _
                    "    <ListAccounts xmlns='https://xxx.xxx.xxx.xxx/test/API' />" & _
                    "  </soap:Body>" & _
                    "</soap:Envelope>"
 

      job1.Initialize("JOB1", Me)
       job1.PostString("https://xxx.xxx.xxx.xxx/Accounts.asmx", requestSoapXML)

    StartMessageLoop
 
End Sub

Public Sub JobDone (Job As HttpJob)
    If Job.Success = True Then
        Log(Job.GetString)
    End If
   Job.Release
End Sub

I do have the code working in VB.net but want to port it over to B4J since I have most of my other code working already in B4J, but if I can't solve the issue then I am going to have to port my B4J code to VB.net and give up with B4J and continue with VB.net.

I can't post my VB.net code in the forum but willing to send a PM to anyone that wants to help (serious people only please)

Anyone know where the error is happening ?

 

[Erel]

Why don't you use the new smart strings literal?

requestSoapXML = $"
<?xml version='1.0' encoding='utf-8'?>
<soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'>
   <soap:Header>
     <CredentialsHeader xmlns='https://xxx.xxx.xxx.xxx/test/API'>
       <OrganizationID>1234</OrganizationID>
       <Username>Admin</Username>
       <Password>1234</Password>
     </CredentialsHeader>
   </soap:Header>
   <soap:Body>
     <ListAccounts xmlns='https://xxx.xxx.xxx.xxx/test/API' />
   </soap:Body>
</soap:Envelope>"$

Maybe you need to set the content type as done here: https://www.b4x.com/android/forum/threads/soap-textbox-info.19961/#post-155159 ?
The SOAPAction header is also sometimes required.

 

[aaronk]

Why don't you use the new smart strings literal?

I guess I could do that.

Maybe you need to set the content type as done here: https://www.b4x.com/android/forum/threads/soap-textbox-info.19961/#post-155159 ?

Yeah I have tied adding that but made no difference.

The SOAPAction header is also sometimes required

I tried that as well and still get the same error.

Are you interested in helping me converting the VB.net project (that works) to B4J if I PM you the VB.net project?

 

[Erel]

I cannot convert it for you. Sorry.

If I were to debug this issue, I would have used WireShark or a similar tool to monitor the http requests and see the exact request sent from the other client. This way you will be able to send the same request from your B4J program.

 

[aaronk]

Yeah I tired using WireShark but couldn't read what was being sent since it's a https request and the data was encrypted. (unless I was capturing the WireShark data wrong)

 

[Erel]

Can't you temporary switch to http?

 

[aaronk]

Can't you temporary switch to http?

I did try http rather than https but the request didn't work so I am guessing it needs to be https.

I will have a play and see if I can get it to work with http so I can see what gets sent.

 

[aaronk]

Ended up getting it to work. Had to use Soap1.2 and now the commands are working.