How to use

remove

method

in

org.apache.solr.common.util.ConcurrentLRUCache

public static void writeSchema(String indexName, String schemaXml) throws IOException
{        
  writeCoreResource(indexName, CassandraUtils.schemaKey, schemaXml);
  logger.info("Wrote Schema for " + indexName);
  
  //remove any existing cores
  cache.remove(indexName);
}