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author's profile photo Lev Kulaev
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Lev Kulaev

Problem with passing my own exceptions from EJB webservices

Posted on Dec 29, 2007 at 09:54 AM 5 Views

Hello SDN!

Here is a code:

	try{
		wdContext.currentMnRemoveTypeElement().setTypeId(typeId);
		wdContext.currentMnReqRemoveTypeElement().modelObject().execute();
		wdContext.currentMnRemoveTypeErrorPartElement();
		msgMgr.reportSuccess("Information deleted.");
	}catch(Exception ex){
		// print error message
	}

If I import web service as Web Service Model (DEPRECATED), model method execute() throws exception with type Exception, but if I'm using a Adaptive Web Service model, method execute() throws exception with type CMIException. This method connected with EJB method which throws DRException (it's my own type of exceptions extends Exception).

When I call this code an exception is occured, but type of ex is ClassCastException and error message is empty whereas I expect a DRException with my error message. I think that reason is failed to cast DRException toCMIException...

So how I can pass my own exception from EJB webservice to Adaptive Web Service model?

regards, Lev

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1 Answer

  • author's profile photo Former Member
    Former Member
    Posted on Dec 31, 2007 at 05:04 AM
    0

    Hi,

    You can throw the exception in the following way:

    try{

    // web-service method call

    return "SUCCESS";

    }catch(Exception ex){

    return ex.getMessage();

    // Or for cutomized mesg, instead of above line you can write:

    return "YOUR MESSAGE";

    // print error message

    }

    These changes you can do at the web-service end.

    Hope this will solve your problem.

    thanks & regards,

    Manoj

    Edited by: Manoj Kumar on Dec 31, 2007 10:39 AM

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    • Lev Kulaev
      Jan 09, 2008 at 12:09 PM

      Hello, Manoj!

      Of course, your way will working but in my opinion there is wrong logic. I think that error (when occurs) and error descripton must be passed only from webservice method. Also I want to understand why webservice method throws so strange exceptions which cannot be casted to exceptions of my type. So I need that webservice method throws exceptions of my own type.

      regards

      Lev

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