where are the log files saved in axis2 webservice

i have put log4j.properties file into WEB-INF/classes folder in my axis 2 webservice. now i can see logs been printed on c开发者_JAVA百科onsole. but i have also put file appender. but i can not find the log file anywhere. could someone help me to find a solution for this problem.

log4j.rootLogger=DEBUG, CA, FA

#Console Appender log4j.appender.CA=org.apache.log4j.ConsoleAppender log4j.appender.CA.layout=org.apache.log4j.PatternLayout log4j.appender.CA.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

#File Appender log4j.appender.FA=org.apache.log4j.FileAppender log4j.appender.FA.File=ws.log log4j.appender.FA.layout=org.apache.log4j.PatternLayout log4j.appender.FA.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

# Set the logger level of File Appender to WARN log4j.appender.FA.Threshold = WARN