JAX WS client cannot authenticate

Question 1

Your issue is not relating to SSL certificate. Your issue is relating to Authentication. Service instance need to be able to access WSDL content (before your stub invoke actual web method) but It failed, that is why you got that error.

You have 2 solutions:

Register default Authenticator:

static {

    java.net.Authenticator.setDefault(new java.net.Authenticator() {

        @Override
        protected java.net.PasswordAuthentication getPasswordAuthentication() {
            return new java.net.PasswordAuthentication("myuser", "mypasswd".toCharArray());
        }
    });
}

Download WSDL document and save it to LOCAL storage then use local WSDL file. For this solution, you have to create Service instance, NOT use generated code as you did.

Service service  = Service.create(
                    new URL(**"file:///C:/reportingService.wsdl"**), 
                    new QName("http://services.app/", "ReportingService")
               );

// ...

binding.getRequestContext().put(BindingProvider.USERNAME_PROPERTY, "myuser");   
binding.getRequestContext().put(BindingProvider.PASSWORD_PROPERTY, "mypasswd");

Question 2

Lets try a few things:

1.) Do you know what kind of Authentication the server expects?

2.) When you try to access https://reporting-stage.admp.mtv3.adtlgc.com/admp/ReportingService?wsdl do you see anything? e.g. i assume there is a IP-Whitelist or something and you will enter credentials there or similar? Because i cant see anything there.

3.) When it comes to the code i authenticate to a secured webservice over HTTP this way:

ReportingServiceService service new ReportingServiceService();
ReportingService port = service.getReportingServicePort();
BindingProvider binding = (BindingProvider) port;

// Configure service endpoint (override defined one of the WSDL) 
BindingProvider binding = (BindingProvider) port;
binding.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, "https..");


// Add HTTP Basic Authentification credentials to this request      
binding.getRequestContext().put(BindingProvider.USERNAME_PROPERTY, "myuser");   
binding.getRequestContext().put(BindingProvider.PASSWORD_PROPERTY, "mypasswd");
port.getCampaignRowById(14081);

Set above endpoint propertie to whatever is stored in your wsdl's wsdl:port... part which i expect to look something like this (and should be the default...):

 <wsdl:service name="ReportingServiceFoo">
    <wsdl:port binding="tns:ReportingServiceFoo" name="ReportingService">
        <soap:address location"https://myserver.com/ReportingService">
    </wsdl:port>
 </wsdl:service>

Edit:

The

BindingProvider.ENDPOINT_ADDRESS_PROPERTY

is used to set the target-endpoint at runtime. So if the webservice has a different endpoint than the one in the wsdl make sure to set it to the actual endpoint this way.