PHP, SOAP, .NET - Object reference not set to an instance of an object

Question

I have been trying to set up a PHP based SOAP client to connect with another .NET SOAP server, but without any luck. :/ I've tried just about anything I could think of and what uncle Google could find - NuSOAP, Zend Framework SOAP and PHP's internal SOAP. All 3 gave me errors, but PHP's internal SOAP seemed most simple and promising. Well, so I invested another 2 days into PHP's internal SOAP client and at the end I landed with this error:

SoapFault exception: [soap:Server] System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at p_client.p_data.read(PgSqlDataReader e) in c:\inetpub\wwwroot\p_client\p_client.asmx.cs:line 642
at p_client.p_client.p_login(Int32 pid, String username, String password) in c:\inetpub\wwwroot\p_client\p_client.asmx.cs:line 172
   --- End of inner exception stack trace --- in /home/techouse/public_html/beta/test/new2_soap_client.php:76
Stack trace:
#0 /home/techouse/public_html/beta/test/new2_soap_client.php(76): SoapClient->__soapCall('p_login', Array)
#1 {main}

My request XML looks like this:

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://www.dhimahi.com/">
    <SOAP-ENV:Body>
        <ns1:p_login>
            <ns1:pid>1234</ns1:pid>
            <ns1:username>username1234</ns1:username>
            <ns1:password>password1234</ns1:password>
        </ns1:p_login>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

Any ideas how to fix this?

Possible duplicate of What is a NullReferenceException, and how do I fix it? — tom redfern
– tom redfern, Commented Jan 11, 2017 at 10:31

Daveo · Accepted Answer · 2011-11-10 21:10:49Z

2

The error is from the .NET side. The error is thrown when trying to use an object that is null.

answered Nov 10, 2011 at 21:10

Daveo

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1 Comment

Klemen Tusar Over a year ago

Aha, ok. So what you're saying is I need to tell the guys that own the server to fix their C# code? Sadly there is no way for me to do it since I don't have access to the server neither have any knowledge of C#.

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