Change to use checked exceptions in rAPP Catalogue

Add the parameter “unhandledException” with value “true” to the
generator to make the delegated implementation able to handle checked
exceptions.
Change the service's exceptions to be checked and adapt the code
accordingly.

Change-Id: I15cab337826b48d21ae83521d149f177d8dce00d
Issue-ID: NONRTRIC-373
Signed-off-by: elinuxhenrik <henrik.b.andersson@est.tech>
diff --git a/r-app-catalogue/pom.xml b/r-app-catalogue/pom.xml
index a2e0565..0ceb7bb 100644
--- a/r-app-catalogue/pom.xml
+++ b/r-app-catalogue/pom.xml
@@ -180,6 +180,7 @@
                             <invokerPackage>org.oransc.rappcatalogue</invokerPackage>

                             <configOptions>

                                 <delegatePattern>true</delegatePattern>

+                                <unhandledException>true</unhandledException>

                             </configOptions>

                         </configuration>

                     </execution>