application/tests/org.openjdk.jmc.rjmx.test/src/test/java/org/openjdk/jmc/rjmx/test/subscription/internal/DummyConnectionHandle.java

*** 58,69 ****
                           * If you get this, you need to call createServiceOrNull() instead and handle the null
                           * case. (And yes, we want to check this before attempting to create a service. Ideally,
                           * we would like to check this at compile time, but there was no way to do that yet. JSR
                           * 308 and the Checker Framework should change that.)
                           */
!                         throw new IllegalArgumentException("Will not be able to create dummy implementations of " //$NON-NLS-1$
!                                         + serviceInterface.getName() + " since the service is not an interface"); //$NON-NLS-1$
                  }
                  T service = getServiceOrNull(serviceInterface);
                  if (service == null) {
                          service = ServiceFactoryManager.createDummyService(serviceInterface, null);
                  }
--- 58,69 ----
                           * If you get this, you need to call createServiceOrNull() instead and handle the null
                           * case. (And yes, we want to check this before attempting to create a service. Ideally,
                           * we would like to check this at compile time, but there was no way to do that yet. JSR
                           * 308 and the Checker Framework should change that.)
                           */
!                         throw new IllegalArgumentException("Will not be able to create dummy implementations of "
!                                         + serviceInterface.getName() + " since the service is not an interface");
                  }
                  T service = getServiceOrNull(serviceInterface);
                  if (service == null) {
                          service = ServiceFactoryManager.createDummyService(serviceInterface, null);
                  }
*** 117,127 ****
                  return true;
          }
  
          @Override
          public String getDescription() {
!                 return "Dummy"; //$NON-NLS-1$
          }
  
          @Override
          public void close() {
  
--- 117,127 ----
                  return true;
          }
  
          @Override
          public String getDescription() {
!                 return "Dummy";
          }
  
          @Override
          public void close() {