Address review comments.

components/action-mgt/org.wso2.carbon.identity.action.execution/src/main/java/org/wso2/carbon/identity/action/execution/ActionExecutorServiceImpl.java

@@ -87,7 +87,7 @@ public ActionExecutionStatus execute(ActionType actionType, Map<String, Object>
  Action action = actions.get(0); // As of now only one action is allowed.
  return Optional.ofNullable(action)
  .filter(activeAction -> activeAction.getStatus() == Action.Status.ACTIVE)
- .map(activeAction -> executeAction(actionType, activeAction, actionRequest, eventContext,
+ .map(activeAction -> executeAction(activeAction, actionRequest, eventContext,
  actionExecutionResponseProcessor))
  .orElse(new ActionExecutionStatus(ActionExecutionStatus.Status.FAILURE, eventContext));
  } catch (ActionExecutionRuntimeException e) {
@@ -112,8 +112,12 @@ private List<Action> getActionsByActionType(ActionType actionType, String tenant
  private void validateActions(List<Action> actions, ActionType actionType) throws ActionExecutionException {
 
  if (CollectionUtils.isEmpty(actions)) {
- throw new ActionExecutionRuntimeException("No actions found for action type: " + actionType);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("No actions found for action type: " + actionType);
+ }
+ return;
  }
+
  if (actions.size() > 1) {
  // when multiple actions are supported for an action type the logic below needs to be improved such that,
  // a successful processing from one action becomes the input to the successor.
@@ -148,7 +152,7 @@ private ActionExecutionResponseProcessor getResponseProcessor(ActionType actionT
  return responseProcessor;
  }
 
- private ActionExecutionStatus executeAction(ActionType actionType, Action action,
+ private ActionExecutionStatus executeAction(Action action,
  ActionExecutionRequest actionRequest,
  Map<String, Object> eventContext,
  ActionExecutionResponseProcessor actionExecutionResponseProcessor)
@@ -165,7 +169,7 @@ private ActionExecutionStatus executeAction(ActionType actionType, Action action
 
  ActionInvocationResponse actionInvocationResponse =
  executeActionAsynchronously(action, authenticationMethod, payload);
- return processActionResponse(actionType, action, actionInvocationResponse, eventContext, actionRequest,
+ return processActionResponse(action, actionInvocationResponse, eventContext, actionRequest,
  actionExecutionResponseProcessor);
  } catch (ActionMgtException | JsonProcessingException | ActionExecutionResponseProcessorException e) {
  throw new ActionExecutionRuntimeException("Error occurred while executing action: " + action.getId(), e);
@@ -201,7 +205,7 @@ private void logActionRequest(Action action, String payload) {
  }
  }
 
- private ActionExecutionStatus processActionResponse(ActionType actionType, Action action,
+ private ActionExecutionStatus processActionResponse(Action action,
  ActionInvocationResponse actionInvocationResponse,
  Map<String, Object> eventContext,
  ActionExecutionRequest actionRequest,
@@ -210,12 +214,11 @@ private ActionExecutionStatus processActionResponse(ActionType actionType, Actio
  throws ActionExecutionResponseProcessorException {
 
  if (actionInvocationResponse.isSuccess()) {
- return processSuccessResponse(actionType, action,
+ return processSuccessResponse(action,
  (ActionInvocationSuccessResponse) actionInvocationResponse.getResponse(),
  eventContext, actionRequest, actionExecutionResponseProcessor);
  } else if (actionInvocationResponse.isError() && actionInvocationResponse.getResponse() != null) {
- return processErrorResponse(actionType, action,
- (ActionInvocationErrorResponse) actionInvocationResponse.getResponse(),
+ return processErrorResponse(action, (ActionInvocationErrorResponse) actionInvocationResponse.getResponse(),
  eventContext, actionRequest, actionExecutionResponseProcessor);
  } else {
  logErrorResponse(action, actionInvocationResponse);
@@ -224,7 +227,7 @@ private ActionExecutionStatus processActionResponse(ActionType actionType, Actio
  return new ActionExecutionStatus(ActionExecutionStatus.Status.FAILURE, eventContext);
  }
 
- private ActionExecutionStatus processSuccessResponse(ActionType actionType, Action action,
+ private ActionExecutionStatus processSuccessResponse(Action action,
  ActionInvocationSuccessResponse successResponse,
  Map<String, Object> eventContext,
  ActionExecutionRequest actionRequest,
@@ -245,7 +248,7 @@ private ActionExecutionStatus processSuccessResponse(ActionType actionType, Acti
  actionRequest.getEvent(), successResponseBuilder.build());
  }
 
- private ActionExecutionStatus processErrorResponse(ActionType actionType, Action action,
+ private ActionExecutionStatus processErrorResponse(Action action,
  ActionInvocationErrorResponse errorResponse,
  Map<String, Object> eventContext,
  ActionExecutionRequest actionRequest,