Custom Exception gets wrapped as soap exception

[Tomsawyer2kin_hotmail]

Hi,
I created a custom Exception Class as
Public Class CSTException : Inherits System.ApplicationException

' required to over ride the base class method
Sub New(ByVal ExceptionCode As AppExCodes)
MyBase.New(CStr(ExceptionCode))
End Sub
end class

in my WS i have a reference to the class and i throw a CSTException.

In my client side i have the reference to the CSTException class too.
I use a try catch as

try
....
catch ex as CSTException
....
end try
Now on my client side i get the ex as a SoapException obj . and the
ex.Message as
"Server was unable to process the request ---257" where 257 is my AppExCode.
I was expecting ex.Message to be "257".

Is theer any way i can prevent my customexceptionclass to be thrown as
wrapped inside a SoapException?

[John Saunders]

"Tomsawyer2kin_hotmail" <To*******************@discussions.microsoft.com >
wrote in message news:6B**********************************@microsof t.com...

Hi,
I created a custom Exception Class as
Public Class CSTException : Inherits System.ApplicationException

' required to over ride the base class method
Sub New(ByVal ExceptionCode As AppExCodes)
MyBase.New(CStr(ExceptionCode))
End Sub
end class

in my WS i have a reference to the class and i throw a CSTException.

In my client side i have the reference to the CSTException class too.
I use a try catch as

try
...
catch ex as CSTException
...
end try
Now on my client side i get the ex as a SoapException obj . and the
ex.Message as
"Server was unable to process the request ---257" where 257 is my
AppExCode.
I was expecting ex.Message to be "257".

Is theer any way i can prevent my customexceptionclass to be thrown as
wrapped inside a SoapException?

No. This is by design. There's no such thing as an Exception in Web
Services. There are Soap Faults. Since .NET gives you no way to map
exceptions into faults, all unhandled exceptions are translated into Soap
Faults.

The best you can do involves manually creating your WSDL file and adding
faults. Then, when you need to throw an exception corresponding to one of
the faults, you create the body of the fault and place it in the Detail
property of the SoapException, then throw it.

A .NET client will still receive a SoapException on the other end, but will
have still have the fault body in the Detail property. If you like, your
custom client code can look at the Detail and throw a custom exception
(passing the original as InnerException, please).

John

[Claus Konrad [MCSD]]

This is indeed possible (to retrive the original exception type) on the
Client side.
But as suggested elsewhere, by design you should not bother with this. As a
service potentially could be consumed by a Java client, it makes no sense to
throw .NET specific exceptions on the client side.

However - if you are in control of both C/S, you can implement a socalled
SoapException and attribute that to your methods. This wil allow the
clientside proxy to (re)throw the original exception type to you.

If you insist - I can supply the source for this. Else have a look at MSDN
for this here:
http://msdn.microsoft.com/library/de...classtopic.asp
--
rgds.
/Claus Konrad
MCSD.NET (C#)
"Tomsawyer2kin_hotmail" wrote:

Hi,
I created a custom Exception Class as
Public Class CSTException : Inherits System.ApplicationException

' required to over ride the base class method
Sub New(ByVal ExceptionCode As AppExCodes)
MyBase.New(CStr(ExceptionCode))
End Sub
end class

in my WS i have a reference to the class and i throw a CSTException.

In my client side i have the reference to the CSTException class too.
I use a try catch as

try
...
catch ex as CSTException
...
end try
Now on my client side i get the ex as a SoapException obj . and the
ex.Message as
"Server was unable to process the request ---257" where 257 is my AppExCode.
I was expecting ex.Message to be "257".

Is theer any way i can prevent my customexceptionclass to be thrown as
wrapped inside a SoapException?

[Claus Konrad [MCSD]]

A severe typo there.
I of-course ment SoapExtension, NOT SoapException!
--
rgds.
/Claus Konrad
MCSD.NET (C#)
"Claus Konrad [MCSD]" wrote:

This is indeed possible (to retrive the original exception type) on the
Client side.
But as suggested elsewhere, by design you should not bother with this. As a
service potentially could be consumed by a Java client, it makes no sense to
throw .NET specific exceptions on the client side.

However - if you are in control of both C/S, you can implement a socalled
SoapException and attribute that to your methods. This wil allow the
clientside proxy to (re)throw the original exception type to you.

If you insist - I can supply the source for this. Else have a look at MSDN
for this here:
http://msdn.microsoft.com/library/de...classtopic.asp
--
rgds.
/Claus Konrad
MCSD.NET (C#)
"Tomsawyer2kin_hotmail" wrote:

Hi,
I created a custom Exception Class as
Public Class CSTException : Inherits System.ApplicationException

' required to over ride the base class method
Sub New(ByVal ExceptionCode As AppExCodes)
MyBase.New(CStr(ExceptionCode))
End Sub
end class

in my WS i have a reference to the class and i throw a CSTException.

In my client side i have the reference to the CSTException class too.
I use a try catch as

try
...
catch ex as CSTException
...
end try
Now on my client side i get the ex as a SoapException obj . and the
ex.Message as
"Server was unable to process the request ---257" where 257 is my AppExCode.
I was expecting ex.Message to be "257".

Is theer any way i can prevent my customexceptionclass to be thrown as
wrapped inside a SoapException?