2011年10月30日星期日

Using Web Services in IBM Lotus Domino 7 Applications

1.Selina wrote a LotusScript web service method with the following structure: Public Function lookupPersonInfo (personName As String, f As WS_FAULT) As PersonInfo '** do the lookup, return the information in our custom PersonInfo data type End Function What is the purpose of the WS_FAULT parameter in the Function definition?

A. It indicates that the incoming SOAP message should include 2 parameters: a "personName" string and an empty SOAP Fault object

B. It specifies that a SOAP Fault will be returned if an error occurs (otherwise, the client would expect an empty response in the case of an error)

C. It allows the method to return a custom message if an error occurs in the code

D. It is a required parameter for any methods that do not contain error handling blocks

Answer: C

2 .Sofie has created a LotusScript Domino Web service. She can compile successfully, and she can generate WSDL that appears to be correct. But the Web service is not returning the expected values. Sofie is considering adding messagebox statements within the Web service code in an attempt to help debug. Will messagebox statements return any output that she can examine?

A. Yes.Messagebox statements within a LotusScript Web service will write output to the server log. Sofie can browse the log to see these messages.

B. No.Messagebox statements only display to UI. Since a Web service executes in the back end, the messagebox statements are ignored and produce no output.

C. No.Messagebox statements are front end calls. A messagebox statement in a back end routine will result in an abend.

D. Yes.Messagebox statements within a LotusScript Web service are returned to the Web service consumer as WS_FAULT String values.

Answer: A
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