Spring Data MongoDB - Spring Web Services - Parent - SpringSource

please define productname in your docbook file!9. Logging supportAn appender for Log4j is provided in the maven module "spring-data-mongodb-log4j". Note, there is nodependency on other Spring Mongo modules, only the MongoDB driver.9.1 MongoDB Log4j ConfigurationHere is an example configurationlog4j.rootCategory=INFO, stdoutlog4j.appender.stdout=org.springframework.data.document.mongodb.log4j.MongoLog4jAppenderlog4j.appender.stdout.layout=org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %nlog4j.appender.stdout.host = localhostlog4j.appender.stdout.port = 27017log4j.appender.stdout.database = logslog4j.appender.stdout.collectionPattern = %X{year}%X{month}log4j.appender.stdout.applicationId = my.applicationlog4j.appender.stdout.warnOrHigherWriteConcern = FSYNC_SAFElog4j.category.org.apache.activemq=ERRORlog4j.category.org.springframework.batch=DEBUGlog4j.category.org.springframework.data.document.mongodb=DEBUGlog4j.category.org.springframework.transaction=INFOThe important configuration to look at aside from host and port is the database and collectionPattern.The variables year, month, day and hour are available for you to use in forming a collection name. Thisis to support the common convention of grouping log information in a collection that corresponds to aspecific time period, for example a collection per day.There is also an applicationId which is put into the stored message. The document stored from loggingas the following keys: level, name, applicationId, timestamp, properties, traceback, and message.1.4.0.BUILD-SNAPSHOTSpring Data MongoDB -Reference Documentation 93