bitcoinj.log.properties

# specify the handlers to create in the root logger
# (all loggers are children of the root logger)
# the following creates two handlers
handlers=java.util.logging.ConsoleHandler, java.util.logging.FileHandler

# set the default logging level for the root logger
.level=INFO

# set the default logging level for new ConsoleHandler instances
java.util.logging.ConsoleHandler.level=INFO

# set the default logging level for new FileHandler instances
java.util.logging.FileHandler.level=ALL

# set the default formatter for new ConsoleHandler instances
java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter

# Naming style for the output file: 
# (The output file is placed in the directory 
# defined by the "user.home" System property.) 
java.util.logging.FileHandler.pattern=Bitcoinj-comparison.log

# Style of output (Simple or XML): 
java.util.logging.FileHandler.formatter=java.util.logging.SimpleFormatter

# output format
java.util.logging.SimpleFormatter.format=%4$s: %5$s [%1$tc %2$s]%n

# set the default logging level for all bitcoinj logs
com.google.bitcoin=INFO