is a RMAN backup set container. The Extractor does not parse redo logs that are in a backup set container.
The Extractor detected that the specified file is a RMAN backup set container. This file will be removed from the Extractor processing queue. The Extractor does not process container files by default.
If you want the Extractor to process backup set container files, set the extract.oracle.bsc.enable runtime parameter to 1.