Doubts in Fibonacci Web Services Example

[Mark Henryson]

I am using the web services example fibonacci from this site http://www.onjava.com/lpt/a/1578

1. While converting the WSDL2Java, I am not getting FibonacciSoapBindingSkeleton.java. All other remaining java files and xml files I am getting. Why I am not getting the FibonacciSoapBindingSkeleton.java?

2. While I am calling the web service from the clinet, I am getting the following compilation error:

D:\SNA\web>javac -classpath %AXISCLASSPATH% fibonacci\FibonacciTester.java
fibonacci\FibonacciTester.java:11: cannot resolve symbol
symbol  : method getFibonacci ()
location: interface fibonacci.ws.FibonacciService
    fibonacci.ws.Fibonacci fib = service.getFibonacci();
                                        ^
1 error

3. While Converting Java2WSDL,

% java org.apache.axis.wsdl.Java2WSDL -o fib.wsdl -l"http://localhost:8080/axis/services/fibonacci" -n urn:fibonacci -p"fibonacci" urn:fibonacci fibonacci.Fibonacci

What this url http://localhost:8080/axis/services/fibonacci will have?

4. In Fibonacci example, I coudn't see the SOAP. Whether in axis we are not using SOAP? B'coz in one tutoiral, I have learned SOAP is the medium by which the Service Provider, Service Requestor and Service Registry will communicate? IN this example I don't find any soap related xml like SOAP-ENEVLOPE, SOAP-HEADER.. Where will use these things?

5. Suppose consider me as a client, in real scenario where can I search for web service or how/where do I know what are all web services available?
Is there any websites (service registry - where all the web services will be registered) are there for this?

If I want to register any web services, how can I register in the service registry in real scenario?

SORRY TO ANNOYING U PEOPLE BY ASKING THESE SILLY QUESTIONS. CONSIDE ME LAY MAN IN THIS CASE! :roll:
[ November 01, 2006: Message edited by: Mark Henryson ]

[Peer Reynders]

1. You are probably missing the "-s" (serverside) option in your command-line Axis Reference Guide
2. You probably don't have the source directory for your stub in your class path. Assuming that the stub class files are in D:\SNA\web\fibonacci, try
D:\SNA\web>javac -cp D:\SNA\web\fibonacci;%AXISCLASSPATH% ... (etc.)
3. You are letting it know where service will be offered so that it can be included in the WSDL.
4. Axis generates all that code for you. If you want to see the SOAP messages use the TCPMon tool.
5. That's what UDDI is for - though its not heavily used at the moment.
[ November 01, 2006: Message edited by: Peer Reynders ]

[Mark Henryson]

Package Structure:

D:\SNA\web
|
|__ fibonacci folder
|__ fib.wsdl
|__ fib.jar
 
D:\SNA\web\fibonacci
|
|__ ws folder
|__ Fibonacci.java / Fibonacci.class
|__ FibonacciImpl.java / FibonacciImpl.class
|__ FibonacciTester.java (Clinet)
 

D:\SNA\web\fibonacci\ws
      |
       |__ Fibonacci.java / Fibonacci.class
      |__ FibonacciService.java / FibonacciService.class
      |__ FibonacciServiceLocator.java / FibonacciServiceLocator.class
      |__ FibonacciSoapBindingImpl.java / FibonacciSoapBindingImpl.class
      |__ FibonacciSoapBindingStub.java / FibonacciSoapBindingStub.class
      |__ deploy.wsdl
      |__ undeploy.wsdl

The above is the folder structure I am using:
1. I am not getting the FibonacciSoapBindingSkeleton.java. What will be impact without that file?
I am using -s option in
java org.apache.axis.wsdl.WSDL2Java -o . -d Session -s -p fibonacci.ws fib.wsdl
Still, I didn't got that skeleton file.

2. Why this compilation error?

D:\SNA\web>javac -classpath D:\SNA\web\fibonacci\ws;%AXISCLASSPATH% fibonacci\Fi
bonacciTester.java
fibonacci\FibonacciTester.java:11: cannot resolve symbol
symbol  : method getFibonacci ()
location: interface fibonacci.ws.FibonacciService
    fibonacci.ws.Fibonacci fib = service.getFibonacci();
                                        ^
1 error
 
D:\SNA\web>javac -cp D:\SNA\web\fibonacci\ws;%AXISCLASSPATH% fibonacci\Fibonacci
Tester.java
javac: invalid flag: -cp
Usage: javac <options> <source files>
where possible options include:
  -g                        Generate all debugging info
  -g:none                   Generate no debugging info
  -g:{lines,vars,source}    Generate only some debugging info
  -nowarn                   Generate no warnings
  -verbose                  Output messages about what the compiler is doing
  -deprecation              Output source locations where deprecated APIs are us
ed
  -classpath <path>         Specify where to find user class files
  -sourcepath <path>        Specify where to find input source files
  -bootclasspath <path>     Override location of bootstrap class files
  -extdirs <dirs>           Override location of installed extensions
  -d <directory>            Specify where to place generated class files
  -encoding <encoding>      Specify character encoding used by source files
  -source <release>         Provide source compatibility with specified release
  -target <release>         Generate class files for specific VM version
  -help                     Print a synopsis of standard options
 

[Ulf Dittmer]

Is the FibonacciSoapBindingSkeleton file actually necessary? I used the code in that article as the basis for a project, and never got -nor missed- that file.

As to the missing "service.getFibonacci()", in my service class the method is called "getfibonacci" (all lowercase). I'm not sure if that is because I misspelled "Fibonacci" somewhere, though. Which methods does your FibonacciService class have?

[Mark Henryson]

Yes, you are right it is getfibonacci()..

What will be in FibonacciSoapBindingSkeleton.java? Is't not necessary? And how to use the TCPMonitor tool?

[Ulf Dittmer]

TCPmon is described here.