Schema plugins can cause startup failure

[heikki]

If you have a sub directory in <data-dir>/config/schema_plugins that is empty (or, does not contain a file named schema-ident.xml), GeoNetwork fails to startup.

Now it may be so that there /should/ not be such empty directories in that location, but still the Schema Plugin implementation could be more lenient and just ignore such directories rather than to cause startup failure.

This problem is bigger, for developers, now we use Git, which does not delete directories where it should, if you change between branches.

[simonp]

Fixed in commit a961fb988d63d64f4e3a51ad50607b6290e2c6dd