java - Log4j, how to put log file into dynamic directory location -


can show me how can put log file log4j in project location? want put log file src/main/resources every time. don't want care me location on disk of project, sample: if have project in d:/project , after change location project in c:/project want put log file on every time on src/main/resources out change line 

log4j.appender.file.file=c:\\project

with this

log4j.appender.file.file=d:\\project

have idea? thx in advance :)

you can write logic determine if application being run in c:\... or d:\... retrieving current directory , set system variable "logpath" below 

system.setproperty("logpath", mypath); // mypath either c:\... or d:\... based on logic

then use property in log4j.properties

log4j.appender.file.file=${logpath}src\main\resources\myapplicationlog.log

note : need make sure system variable set before log4j initialized.


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