Re: Call Java from RPG

[Scott Klement <rpg400-l@xxxxxxxxxxxxxxxx>]

Hi Michael,

Your Java method has the return value set to "void" -- meaning it 
doesn't return anything.

your RPG prototype shows the return value as a Java String object.

They have to match.


Ala, Michael wrote:
> I am receiving the following error
>
> Message . . . . :   Java exception received when calling Java method (C
> G D   
>   F).
>
> Cause . . . . . :   RPG procedure MAILER in program MILIB/MAILER
> received Java
>   exception "java.lang.NoSuchMethodError: sendSimpleMail" when calling
> method 
>   "sendSimpleMail" with signature
>
>  
> "(Ljava.lang.String;Ljava.lang.String;Ljava.lang.String;Ljava.lang.Strin
> g;)L
>   java.lang.String;" in class "demo.Mailer".
>
> Java Program is Compiled into Java/demo/Mailer
> Package is demo
> sendSimpleMail is a method in within the Mailer class
> public static void sendSimpleMail(String to, String from, String
> subject,
>         String message)
>         throws MessagingException {     
>
> The RPG Prototype is 
> DMailer$sendSimpleMail...                                      
> D                 PR              O   STATIC                   
> D                                     EXTPROC(                 
> D                                       *JAVA:                 
> D                                       'demo.Mailer':         
> D                                       'sendSimpleMail')      
> D                                     CLASS(                   
> D                                       *JAVA:                 
> D                                       'java.lang.String')    
> D to                                  LIKE(newString)          
> D from                                LIKE(newString)          
> D subject                             LIKE(newString)          
> D message                             LIKE(newString)          
>
> Thanks for any help on this
>
> Mike