Fixes validation when there are pipeline params and default properties (

#3195)

Signed-off-by: rkpattnaik780 <rkpattnaik780@gmail.com>

elyra/cli/pipeline_app.py

@@ -297,6 +297,8 @@ def validate(pipeline_path: str, runtime_config: Optional[str] = None):
     except Exception:
         raise click.ClickException("Pipeline validation FAILED.")
 
+    print_info("Pipeline validation SUCCEEDED.", [])
+
 
 def validate_timeout_option(ctx, param, value):
     """Callback for monitor-timeout parameter validation"""

elyra/pipeline/pipeline_definition.py

@@ -265,6 +265,9 @@ def convert_pipeline_parameters(self, runtime_type_name: str) -> None:
         if parameter_class is None:
             return None  # runtime type does not support parameters, skip
 
+        if not ElyraProperty.subclass_exists_for_property(parameter_class.property_id):
+            ElyraProperty.build_property_map()
+
         # Convert pipeline parameters to runtime-specific instances
         converted_value = ElyraProperty.create_instance(parameter_class.property_id, self.pipeline_parameters)
         if converted_value is not None: