erreur invocation de méthode ws

salut ,

lors d'une invocation d'une méthode d'un web service :

Code:

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1 2 3 4 5 6 7

public String urlOperation(java.lang.String nomProgram) { packageiden.IdenService service = new packageiden.IdenService(); packageiden.Iden port = service.getIdenPort(); return port.urlOperation(nomProgram);   }

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l'erreur suivante m'affiche

cannot find symbol
symbol : method urlOperation(java.lang.String)
location: interface packageiden.Iden
return port.urlOperation(nomProgram);
Note: C:\Users\darina\Desktop\code pfe\ClientWebService\src\clientwebservice\Menu.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error
C:\Users\darina\Desktop\code pfe\ClientWebService\nbproject\build-impl.xml:555: The following error occurred while executing this line:
C:\Users\darina\Desktop\code pfe\ClientWebService\nbproject\build-impl.xml:262: Compile failed; see the compiler error output for details.
BUILD FAILED (total time: 0 seconds)



quelle est l'erreur SVP? :cry: