本文介绍了如何为oozi java工作流程启用/设置log4j？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在运行一个Oozie Java工作流程（jar文件位于HDFS中），我想为我的应用程序添加日志记录功能。有人知道该怎么做吗？我应该在哪里放置我的log4j.properties文件？我如何使log4j将日志输出到HDFS中的某个位置？
我正在运行一个Oozie Java工作流程（jar文件位于HDFS中），我想为我的应用程序添加日志记录功能。有人知道该怎么做吗？我应该在哪里放置我的log4j.properties文件？我如何使log4j将日志输出到HDFS中的某个位置？
/oozie.apache.org/docs/3.3.0/AG_OozieLogging.htmlrel =nofollow noreferrer>本文档，您可以尝试添加 以下是默认设置：<$ c $>您的oozie目录（其中 oozie-log4j.properties
workflow.xml 是）。
log4j.appender.oozie = org.apache.log4j.rolling.RollingFileAppender
log4j.appender.oozie.RollingPolicy = org.apache.oozie.util.OozieRollingPolicy
log4j.appender.oozie.File = $ {oozie.log.dir} /oozie.log
log4j.appender.oozie.Append = true
log4j.appender.oozie.layout = org.apache.log4j.PatternLayout
log4j.appender.oozie.layout.ConversionPattern =％d {ISO8601}％5p％c {1}：％L - ％m％n
log4j.appender.oozie.RollingPolicy.FileNamePattern = $ {log4j.appender.oozie.File} - ％d {yyyy-MM-dd-HH}
log4j.appender.oozie.RollingPolicy.MaxHistory = 720
它还概述了以下限制：
Oozie使用的appender必须命名为oozie（即
log4j.appender.oozie.RollingPolicy.FileNamePattern 必须以 - ％d {yyyy-MM-dd-HH} .gz或 - ％d {yyyy-MM-dd-HH}。如果它以。gz结尾，则旧日志将在滚动时被压缩
log4j.appender.oozie.RollingPolicy.FileNamePattern 必须以 log4j.appender.oozie.File
I'm running an Oozie Java workflow (the jar file is in HDFS), and I'd like to add logging functionality to my application. Does anybody know how to do it? Where should I put my "log4j.properties" file? How can I make log4j to output the log to a location in HDFS?
Looking in this documentation, you can try adding oozie-log4j.properties in your oozie directory (where workflow.xml is).
Here are the default settings:
log4j.appender.oozie=org.apache.log4j.rolling.RollingFileAppender
log4j.appender.oozie.RollingPolicy=org.apache.oozie.util.OozieRollingPolicy
log4j.appender.oozie.File=${oozie.log.dir}/oozie.log
log4j.appender.oozie.Append=true
log4j.appender.oozie.layout=org.apache.log4j.PatternLayout
log4j.appender.oozie.layout.ConversionPattern=%d{ISO8601} %5p %c{1}:%L - %m%n
log4j.appender.oozie.RollingPolicy.FileNamePattern=${log4j.appender.oozie.File}-%d{yyyy-MM-dd-HH}
log4j.appender.oozie.RollingPolicy.MaxHistory=720
It also outlines the following restrictions:
The appender that Oozie uses must be named "oozie" (i.e. log4j.appender.oozie )
log4j.appender.oozie.RollingPolicy.FileNamePattern must end with "-%d{yyyy-MM-dd-HH}.gz" or "-%d{yyyy-MM-dd-HH}". If it ends with ".gz" the old logs will be compressed when rolled
log4j.appender.oozie.RollingPolicy.FileNamePattern must start with the value of log4j.appender.oozie.File
这篇关于如何为oozi java工作流程启用/设置log4j？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！