Deployment to Central Maven Repository fails

[dstenger]

Error messages:

Event: Failed: POM Validation
typeId	pom-staging
failureMessage	Invalid POM: /org/opengis/cite/ets-sps20/1.11/ets-sps20-1.11.pom: Developer information missing

Event: Failed: Sources Validation
typeId	sources-staging
failureMessage	Missing: no main jar artifact found in folder '/org/opengis/cite/ets-sps20/1.11'

Event: Failed: Javadoc Validation
typeId	javadoc-staging
failureMessage	Missing: no main jar artifact found in folder '/org/opengis/cite/ets-sps20/1.11'