path and filename for configuring error log output in Java Engineering

Log4j.rootlogger=info, Infolog, ErrLog, mail

Pattern=%d{yyyy-mm-dd HH:mm:ss}%r%-5p%c{1}.%m%l-%m%n

Log4j.appender.stdout=org.apache.log4j.consoleappender
Log4j.appender.stdout.layout=org.apache.log4j.patternlayout
Log4j.appender.stdout.layout.conversionpattern=${pattern}

Log4j.appender.infolog=com.chanjet.ccs.base.util.ccslogappender
Log4j.appender.infolog.file=${catalina.base}/logs/pnsinfo
Log4j.appender.infolog.datepattern=-yyyy-mm-dd '. Log '
Log4j.appender.infolog.threshold=info
Log4j.appender.infolog.layout=org.apache.log4j.patternlayout
Log4j.appender.infolog.layout.conversionpattern=${pattern}

Log4j.appender.errlog=org.apache.log4j.dailyrollingfileappender
Log4j.appender.errlog.file=${catalina.base}/logs/pnserr
Log4j.appender.errlog.datepattern=-yyyy-mm-dd '. Log '
Log4j.appender.errlog.threshold=error
Log4j.appender.errlog.layout=org.apache.log4j.patternlayout
Log4j.appender.errlog.layout.conversionpattern=${pattern}

Log4j.appender.mail=org.apache.log4j.net.smtpappender
log4j.appender.mail.buffersize=10
Log4j.appender.mail.from=1@163.com
Log4j.appender.mail.smtphost=smtp.163.com
Log4j.appender.mail.subject=from Produce Environment
Log4j.appender.mail.to=2@chanjet.com
Log4j.appender.mail.smtpusername=3@163.com
Log4j.appender.mail.smtppassword=pwd
Log4j.appender.mail.layout=org.apache.log4j.htmllayout

which

The

Catalina.home point to public information is the parent directory of Bin and Lib.
Catalina.base points to the private information for each Tomcat directory, which is the parent directory of the Conf, logs, temp, webapps, and work.