Tomcat默认的日志是用java.util.logging,有几点不足,文件catalian.out不能像log4j一样按天生成,将越来越大。日志格式和项目中用log4j打出来的不一致,不利于解析。
从tomcat官网(https://tomcat.apache.org/tomcat-7.0-doc/logging.html)上找了下,修改一些配置、替换扩展包即可使用log4j输出catalian.out。
在$CATALINA_BASE/lib下创建log4j.properties文件
log4j.properties的内容如下:
log4j.rootLogger = INFO, CATALINA# Define all the appenderslog4j.appender.CATALINA = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.CATALINA.File = ${catalina.base}/logs/catalina.outlog4j.appender.CATALINA.Append = truelog4j.appender.CATALINA.Encoding = UTF-8# Roll-over the log once per daylog4j.appender.CATALINA.DatePattern = '.'yyyy-MM-ddlog4j.appender.CATALINA.layout = org.apache.log4j.PatternLayout#log4j.appender.CATALINA.layout.ConversionPattern = %d [%t] %-5p %c- %m%nlog4j.appender.CATALINA.layout.ConversionPattern =%d{yyyy-MM-dd HH:mm:ss.SSS} %p [%t] %c | %m%n# configure customed log to catalina.outlog4j.logger.com.xxxxx = WARN, CATALINAlog4j.logger.org.apache = WARN, CATALINAlog4j.logger.org.mybatis = WARN, CATALINAlog4j.logger.java.sql = WARN, CATALINAlog4j.logger.org.springframework = WARN, CATALINA
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