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velocity配置log4j过程及注意.

Posted on 2010-07-28 11:39 wesley1987 阅读(2462) 评论(0)  编辑  收藏
1。指定velocity.properties文件,  默认路径为 WEB-INF/velocity.properties 也可自定义路径, 在web.xml中
      <servlet>
        <servlet-name>velocity</servlet-name>
        <servlet-class>org.apache.velocity.tools.view.servlet.VelocityLayoutServlet</servlet-class>
        <init-param>
            <param-name>org.apache.velocity.properties</param-name>
            <param-value>/WEB-INF/config/velocity.properties</param-value>
        </init-param>
        <init-param>
            <param-name>org.apache.velocity.toolbox</param-name>
            <param-value>/WEB-INF/config/velocity-toolbox.xml</param-value>
        </init-param>
        <load-on-startup>5</load-on-startup>
      </servlet>
注意 load-on-startup 需要配置且靠后, 否则启动时看不到日志.

2。在velocity.properties中配置日程相关参数:
#----------------------------------------------------------------------------
#  default LogSystem to use: default: AvalonLogSystem
#----------------------------------------------------------------------------

runtime.log.logsystem.class = org.apache.velocity.runtime.log.SimpleLog4JLogSystem

runtime.log.logsystem.log4j.category = velocity_log

#----------------------------------------------------------------------------
# This controls if Runtime.error(), info() and warn() messages include the
# whole stack trace. The last property controls whether invalid references
# are logged.
#----------------------------------------------------------------------------

runtime.log.error.stacktrace = false
runtime.log.warn.stacktrace = false
runtime.log.info.stacktrace = false
runtime.log.invalid.reference = true


3\ 配置log4j.properties,  具体配置意义请参看log4j配置相关文档
log4j.rootLogger=INFO,CONSOLE,FILE
log4j.logger.velocity_log=INFO,CONSOLE,VELOCITY
log4j.addivity.org.apache=true

log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=WARN
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.Encoding=GBK
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=[%-4p] %d{MM-dd HH:mm} - %m  %n

log4j.appender.VELOCITY=org.apache.log4j.FileAppender
log4j.appender.VELOCITY.File=E:/workspace/dwrt/WebRoot/log/velocity.log
log4j.appender.VELOCITY.Append=false
log4j.appender.VELOCITY.Encoding=GBK
log4j.appender.VELOCITY.layout=org.apache.log4j.PatternLayout
log4j.appender.VELOCITY.layout.ConversionPattern=[%-4p] %d{MM-dd HH:mm} - %m  %n

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