Error Loading Custom Codec class with Solr Codec Factory. Class cast exception

Hello, I am trying to experiment with my solr indexes with the patch open on JIRA - Codec for index-level encryption (LUCENE-6966). https://issues.apache.org/jira/browse/LUCENE-6966. I am currently trying to test this Custom codec with Solr to

Encryption to Solr stored fields – Using Custom Codec Lucene JIRA -6966

Hello, I am trying to experiment with my solr indexes with the patch open on Apache JIRA - Codec for index-level encryption (LUCENE-6966). https://issues.apache.org/jira/browse/LUCENE-6966. I am currently trying to test this Custom codec with