During refactoring I meet the following problem.
This was the original configuration for aem dispatcher https://github.com/wcm-io-devops/conga-aem-definitions and it works.
since the variable dispatcher.cache.rootPath repeats in many environments, I moved it to the configuration of conga role my-aem-cms as default valee and remove the variable from environment :
Now maven complains that it can't find the required variable:
the error is raised by handelbar helper EnsurePropertiesHelper used in follow page: