The log4mongo-java project includes several Log4J appenders for storing log messages in a MongoDB collection. MongoDbAppender - stores the LogEvent in a BSONified formExtendedMongoDbAppender - Extends MongoDbAppender by allowing you to add top level elementsMongoDbPatternLayoutAppender - supports logging data in a custom formatlog4mongo-java on GitHub QuickStartDownload and install MongoDBStart mo