log4j - XML 配置 VS properties 配置
properties 配置
# root LOGGER (default logger). That means when no name specified/name cannot found when calling Logger.getLogger("any name"), would default call root logger. # root LOGGER include two APPENDER (not LOGGER), which are APPENDER "file" and "admin" log4j.rootLogger=INFO, file, admin #define a new LOGGER named "file", which include "file" APPENDER log4j.logger.file=DEBUG, fileAppender #define a new LOGGER named "admin", which include "admin" APPENDER log4j.logger.admin=DEBUG, adminAppender #set "additivity" attribute for LOGGER "file" and "admin" log4j.additivity.file=false log4j.additivity.admin=false #define a APPENDER which name is "file" log4j.appender.file=org.apache.log4j.RollingFileAppender log4j.appender.file.File=/home/nick/logging/file.log log4j.appender.file.MaxFileSize=1MB log4j.appender.file.MaxBackupIndex=1 log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1} - %m%n #define a APPENDER which name is "admin" log4j.appender.admin=org.apache.log4j.RollingFileAppender log4j.appender.admin.File=/home/nick/logging/admin.log log4j.appender.admin.MaxFileSize=1MB log4j.appender.admin.MaxBackupIndex=1 log4j.appender.admin.layout=org.apache.log4j.PatternLayout log4j.appender.admin.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1} - %m%n
XML 配置
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"> <log4j:configuration><!--xmlns:log4j="http://jakarta.apache.org/log4j/"--> <!-- #define a APPENDER which name is "stdout" --> <appender class="org.apache.log4j.ConsoleAppender" name="stdout"> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="[%d] [%X{hostname}] [%X{status}] [%t] %p %c{2} %m%n"/> </layout> </appender> <!-- #define a APPENDER which name is "rollingFile" --> <appender name="rollingFile" class="org.apache.log4j.appender.TimeAndSizeRollingAppender"> <param name="File" value="logs/${engine}plengine.log"/> <param name="DatePattern" value=".yyyy-MM-dd"/> <param name="MaxFileSize" value="50MB"/> <param name="DateRollEnforced" value="true"/> <param name="MaxRollFileCount" value="100"/> <param name="BufferedIO" value="false"/> <param name="RollOnStartup" value="true"/> <param name="CompressionAlgorithm" value="ZIP"/> <param name="CompressionMinQueueSize" value="3"/> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="[%d] [%X{hostname}] [%X{status}] [%t] [%p] %c{2} %m%n"/> </layout> </appender> <!-- #define a APPENDER which name is "rollingMonikerFile" --> <appender name="rollingMonikerFile" class="org.apache.log4j.appender.TimeAndSizeRollingAppender"> <param name="File" value="logs/${engine}plengine-Moniker.log"/> <param name="DatePattern" value=".yyyy-MM-dd"/> <param name="MaxFileSize" value="50MB"/> <param name="DateRollEnforced" value="true"/> <param name="MaxRollFileCount" value="100"/> <param name="BufferedIO" value="false"/> <param name="RollOnStartup" value="true"/> <param name="CompressionAlgorithm" value="ZIP"/> <param name="CompressionMinQueueSize" value="3"/> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="[%d] [%X{hostname}] [%X{status}] [%t] [%p] %c{2} %m%n"/> </layout> </appender> <!-- #define a new LOGGER named "MonikerLogger", which include "rollingMonikerFile" APPENDER --> <logger name="MonikerLogger" additivity="false"> <level value="INFO"/> <appender-ref ref="rollingMonikerFile" /> </logger> <!-- # root LOGGER (default logger). That means when no name specified/name cannot found when calling Logger.getLogger("any name"), would default call root logger. # root LOGGER include two APPENDER (not LOGGER), which are "stdout" and "rollingFile" --> <root> <level value="INFO"/> <appender-ref ref="stdout" /> <appender-ref ref="rollingFile"/> </root> </log4j:configuration>
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