Question

parameter not being passed correctly in wsdl (delphi)

Asked by: junebrown

Hi.

I have been supplied with an wsdl file which I have imported in to delphi via the WSDL Importer
everything looks correct.
But when I run the functions it generator, it is as if the parameters arent being seen correctly
on the server (an external company), as I either get
 a dummy records back back if the parameter is an integer, giving the impression I have passed a zero to the function as opposed to the valid number  I know I have passed.
 if the parameter is a string, it generates an java error.

I was told to try SOAPUI, and that works, so is there something extra I need to do to the
automatically generated file (from the wdlimporter) for the parameters to be seen at the
server end ?

I am a novice at webservices so there is probably something obvious I have missed

any help much appreciated.

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Asked On
2009-10-06 at 07:46:37ID24789075
Topics

Internet and Delphi Programming

,

Web Services and WCF

,

Web Services Description Language

,

Delphi Programming

,

Web Languages/Standards

Participating Experts
1
Points
500
Comments
18

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Answers

 

by: junebrownPosted on 2009-10-06 at 11:03:52ID: 25507891

Increased the points in the hope someone will help

 

by: aikimarkPosted on 2009-10-09 at 12:37:12ID: 25538143

did you mean "wslimporter" instead of "wdlimporter"?

What version of Delphi are you using?

Is it possible that any of the parameter names have changed case?

 

by: junebrownPosted on 2009-10-13 at 11:59:40ID: 25563098

Sorry for the delay been on holiday just got back.

I am on delphi 2007, the wsdl file is new and we are testing it out.
I used the wsdl importer off the webservices (new item) to generate the unit.

I have re-downloaded the wsdl from the url given, and it generates the same unit.

I can sent the wsld but it is IP restricted for testing

 

by: aikimarkPosted on 2009-10-13 at 12:44:34ID: 25563658

Is it possible that the WSDL file is incorrect?

 

by: junebrownPosted on 2009-10-13 at 13:01:21ID: 25563843

how would I know if it wasn't. ?  I am a novice on webservices.
The wdsl file is generated by a multi national company so I assume it is correct.
But maybe it isnt for (I shouldnt make assumptions).

I tried it using SoapUI, and it worked, but had to 'bind' the endpoints before it would work.
but cant see a similar thing in the delphi help file

What sort of thing should I be looking for ?

 

by: junebrownPosted on 2009-10-13 at 13:02:31ID: 25563861

Shattered from coming back from holiday, will pick up any reply in the morning (UK time)

 

by: aikimarkPosted on 2009-10-14 at 07:19:21ID: 25570762

What parameters are you using with the WSDL importer?
Check out this comment:
http://www.experts-exchange.com/Q_24090810.html#23652640

Is your Delphi2007 maintenance up to date? (look for patches 38342, 47506)

What is the data type of the parameter that is rendered by the WSDL Importer?

 

by: junebrownPosted on 2009-10-14 at 08:10:55ID: 25571434



In the wdsl generated unit I have calls like

    function  getpropertybyuprn(const uprn: Int64): WideString; stdcall;
     function  getpostcode(const postcode: WideString): WideString; stdcall;
end;

function Getnlpgweb(UseWSDL: Boolean=System.False; Addr: string=''; HTTPRIO: THTTPRIO = nil): nlpgweb;


I then call the code

str := getnlpg(false, '').getpropertyuprn(123456);

or

str := getnlpg(false, '').getpostcode('AB1 1TJ');

passing across a number give the impression of zero being passed. Passing the string gives
a java null string error.
----------------------------------------------------------------------

I will check on my version of delphi 2007 and patches and get back to you.

 

by: aikimarkPosted on 2009-10-14 at 09:10:24ID: 25572137

I think you have to cast the string as a wide string and number as int64.

 

by: junebrownPosted on 2009-10-15 at 00:21:51ID: 25578053

I tried that in the sense, I declared 2 varaibles

uprn : int64;
postcode  : widestring;

as this is how I started.

I have gone back to trying the wdslimp from the codegear bin directory.

If I I call it

wsdlimp -0l+ -P test.wsdl

when the test.wsdl has my wsld file in, then in the command line I get
Reading: test.wsdl
Import: test.wsdl:0
*Error*:  followed by the schema location on the 3rd parties servers

If I look at the generated test.pas file I find comments like

// The following types, referred to in the WSDL document are not being represented
// in this file. They are either alaises [@} of other types represented or were referred
// to but never[!] declared in the document. The types from the latter. The types from the latter
// category typically map to the predefined/known xml or Borland types; however; they also could
//indicate incorrect wsdl documents that failed to declare or imoprt a schema type

Does this mean that the wsdl or the xml generated from the 3rd party company is erroreous

 

by: aikimarkPosted on 2009-10-15 at 04:37:04ID: 25579408

did you do something like this?

uprn : int64;
postcode  : widestring;
 
uprn := 123456;
str := getnlpg(false, '').getpropertyuprn(uprn);
 
postcode :=  'AB1 1TJ';
str := getnlpg(false, '').getpostcode(postcode);

                                              
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by: junebrownPosted on 2009-10-15 at 05:05:59ID: 25579577

yes

 

by: aikimarkPosted on 2009-10-15 at 05:13:29ID: 25579629

It is possible that the third party WSDL is incorrect or that the WSDL importer has a problem.

Before you contact the third party, try the -f flag on the WSDL Importer.  That will render fields instead of properties.

 

by: junebrownPosted on 2009-10-15 at 05:19:56ID: 25579681

are you sure it is -f

if I try

wsdlimp -f -P test.wsdl

it says invalid option, similarly

wsdlimp -Of- -P test.wsdl

gives an invalid optionn

 

by: aikimarkPosted on 2009-10-15 at 06:00:35ID: 25580019

oops.  Ignore the -f comment.  That pertains to a different WSDL importer.

 

by: junebrownPosted on 2009-10-18 at 11:23:21ID: 31637729

3rd party wdsl had error + the above reminded me to get my delph 2007 patches.

20120131-EE-VQP-002

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