實驗?zāi)康模?br> 1.把FATAL級錯誤寫入2000NT日志
2. WARN，ERROR，F(xiàn)ATAL級錯誤發(fā)送email通知管理員
3.其他級別的錯誤直接在后臺輸出
實驗步驟：
輸出到2000NT日志
1.把Log4j壓縮包里的NTEventLogAppender.dll拷到WINNT\SYSTEM32目錄下
2.寫配置文件log4j.properties
# 在2000系統(tǒng)日志輸出
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.調(diào)用代碼：
Logger logger2 = Logger.getLogger("NTlog"); //要和配置文件中設(shè)置的名字相同
logger2.debug("debug!!!");
logger2.info("info!!!");
logger2.warn("warn!!!");
logger2.error("error!!!");
//只有這個錯誤才會寫入2000日志
logger2.fatal("fatal!!!");
發(fā)送email通知管理員：
1. 首先下載JavaMail和JAF,
http://java./j2ee/ja/javamail/index.html
http://java./beans/glasgow/jaf.html
在項目中引用mail.jar和activation.jar。
2. 寫配置文件
# 將日志發(fā)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.調(diào)用代碼：
//把日志發(fā)送到mail
Logger logger3 = Logger.getLogger("MailLog");
logger3.warn("warn!!!");
logger3.error("error!!!");
logger3.fatal("fatal!!!");
在后臺輸出所有類別的錯誤：
1. 寫配置文件
# 在后臺輸出
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．調(diào)用代碼
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
# 在后臺輸出
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系統(tǒng)日志輸出
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
# 將日志發(fā)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
全部代碼：Log4jTest.java
- /*
- * 創(chuàng)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");
- //在后臺輸出
- Logger logger1 = Logger.getLogger("console");
- logger1.debug("debug!!!");
- logger1.info("info!!!");
- logger1.warn("warn!!!");
- logger1.error("error!!!");
- logger1.fatal("fatal!!!");
-
- //在NT系統(tǒng)日志輸出
- Logger logger2 = Logger.getLogger("NTlog");
- //NTEventLogAppender nla = new NTEventLogAppender();
- logger2.debug("debug!!!");
- logger2.info("info!!!");
- logger2.warn("warn!!!");
- logger2.error("error!!!");
- //只有這個錯誤才會寫入2000日志
- logger2.fatal("fatal!!!");
-
- //把日志發(fā)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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