ws uses Optional (1.8+) but motherpom says jdkLevel 1.7 because of cluster compat. WS can safely use 8 since it doesn't touch cluster.
ws uses Optional (1.8+) but motherpom says jdkLevel 1.7 because of cluster compat. WS can safely use 8 since it doesn't touch cluster.

gbif/occurrence,gbif/occurrence,gbif/occurrence