实验目的: 1.把FATAL级错误写入2000NT日志 2. WARN,ERROR,FATAL级错误发送email通知管理员 3.其他级别的错误直接在后台输出
实验步骤: 输出到2000NT日志 1.把Log4j压缩包里的NTEventLogAppender.dll拷到WINNT\SYSTEM32目录下 2.写配置文件log4j.properties
# 在2000系统日志输出 log4j.logger.NTlog=FATAL, A8 # APPENDER A8 log4j.appender.A8=org.apache.log4j.nt.NTEventLogAppender log4j.appender.A8.Source=JavaTest log4j.appender.A8.layout=org.apache.log4j.PatternLayout log4j.appender.A8.layout.ConversionPattern=%-4r %-5p [%t] %37c %3x - %m%n
3.调用代码: Logger logger2 = Logger.getLogger("NTlog"); //要和配置文件中设置的名字相同 logger2.debug("debug!!!"); logger2.info("info!!!"); logger2.warn("warn!!!"); logger2.error("error!!!"); //只有这个错误才会写入2000日志 logger2.fatal("fatal!!!");
发送email通知管理员: 1. 首先下载JavaMail和JAF, http://java./j2ee/ja/javamail/index.html http://java./beans/glasgow/jaf.html 在项目中引用mail.jar和activation.jar。 2. 写配置文件 # 将日志发送到email log4j.logger.MailLog=WARN,A5 # APPENDER A5 log4j.appender.A5=org.apache.log4j.net.SMTPAppender log4j.appender.A5.BufferSize=5 log4j.appender.A5.To=chunjie@263.net log4j.appender.A5.From=error@error.com log4j.appender.A5.Subject=ErrorLog log4j.appender.A5.SMTPHost=smtp.263.net log4j.appender.A5.layout=org.apache.log4j.PatternLayout log4j.appender.A5.layout.ConversionPattern=%-4r %-5p [%t] %37c %3x - %m%n 3.调用代码: //把日志发送到mail Logger logger3 = Logger.getLogger("MailLog"); logger3.warn("warn!!!"); logger3.error("error!!!"); logger3.fatal("fatal!!!");
在后台输出所有类别的错误: 1. 写配置文件 # 在后台输出 log4j.logger.console=DEBUG, A1 # APPENDER A1 log4j.appender.A1=org.apache.log4j.ConsoleAppender log4j.appender.A1.layout=org.apache.log4j.PatternLayout log4j.appender.A1.layout.ConversionPattern=%-4r %-5p [%t] %37c %3x - %m%n 2.调用代码 Logger logger1 = Logger.getLogger("console"); logger1.debug("debug!!!"); logger1.info("info!!!"); logger1.warn("warn!!!"); logger1.error("error!!!"); logger1.fatal("fatal!!!");
-------------------------------------------------------------------- 全部配置文件:log4j.properties # 在后台输出 log4j.logger.console=DEBUG, A1 # APPENDER A1 log4j.appender.A1=org.apache.log4j.ConsoleAppender log4j.appender.A1.layout=org.apache.log4j.PatternLayout log4j.appender.A1.layout.ConversionPattern=%-4r %-5p [%t] %37c %3x - %m%n
# 在2000系统日志输出 log4j.logger.NTlog=FATAL, A8 # APPENDER A8 log4j.appender.A8=org.apache.log4j.nt.NTEventLogAppender log4j.appender.A8.Source=JavaTest log4j.appender.A8.layout=org.apache.log4j.PatternLayout log4j.appender.A8.layout.ConversionPattern=%-4r %-5p [%t] %37c %3x - %m%n
# 将日志发送到email log4j.logger.MailLog=WARN,A5 # APPENDER A5 log4j.appender.A5=org.apache.log4j.net.SMTPAppender log4j.appender.A5.BufferSize=5 log4j.appender.A5.To=chunjie@263.net log4j.appender.A5.From=error@error.com log4j.appender.A5.Subject=ErrorLog log4j.appender.A5.SMTPHost=smtp.263.net log4j.appender.A5.layout=org.apache.log4j.PatternLayout log4j.appender.A5.layout.ConversionPattern=%-4r %-5p [%t] %37c %3x - %m%n
全部代码:Log4jTest.java
- /*
- * 创建日期 2003-11-13
- */
- package edu.bcu.Bean;
- import org.apache.log4j.*;
- //import org.apache.log4j.nt.*;
- //import org.apache.log4j.net.*;
- /**
- * @author yanxu
- */
- public class Log4jTest
- {
- public static void main(String args[])
- {
- PropertyConfigurator.configure("log4j.properties");
- //在后台输出
- Logger logger1 = Logger.getLogger("console");
- logger1.debug("debug!!!");
- logger1.info("info!!!");
- logger1.warn("warn!!!");
- logger1.error("error!!!");
- logger1.fatal("fatal!!!");
-
- //在NT系统日志输出
- Logger logger2 = Logger.getLogger("NTlog");
- //NTEventLogAppender nla = new NTEventLogAppender();
- logger2.debug("debug!!!");
- logger2.info("info!!!");
- logger2.warn("warn!!!");
- logger2.error("error!!!");
- //只有这个错误才会写入2000日志
- logger2.fatal("fatal!!!");
-
- //把日志发送到mail
- Logger logger3 = Logger.getLogger("MailLog");
- //SMTPAppender sa = new SMTPAppender();
- logger3.warn("warn!!!");
- logger3.error("error!!!");
- logger3.fatal("fatal!!!");
- }
- }
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