Error:
log4j:ERROR Could not find value for key log4j.appender.FILE.layout
log4j:ERROR No layout set for the appender named [FILE].
配置：
# Define the root logger with appender file
log = D://WorkSpace/logs/
log4j.rootLogger = debug, FILE
# Define the file appender
log4j.appender.FILE=org.apache.log4j.FileAppender
log4j.appender.FILE.File=${log}log.out
Log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
Log4j.appender.FILE.layout.ConversionPattern=%t-%x-%-5p-%-10c:%m%n
