log4j python

1. log4j's configuration fileLOG4J supports two configuration file formats, one in XML format and one for Java attribute file lg4j.properties (key = value). 1.1. log4j configuration scripts in properties formatThe Lg4j.properties file is used as a common configuration file in the following ways: ? Configure Root LoggerLogger is responsible for most of the operations that log records are processed.Its syntax is:Log4j.rootlogger = [level], Appendername,

Reprint Please specify source: http://blog.csdn.net/qq_26525215This article is from the "university trip _ Remember the blog" log4j IntroductionLog4j, the specific I will not copy the introduction of the official website, as long as we know that this is to help us record the log on it.The role of these 2:1, tracking the running track code.2. Output Debugging informationIt's simple, but it's a really useful tool! Do not need to be very deep to und

One, why use commons-logging+log4j? Commons-logging and log4j are open source projects under Apache. The purpose of commons-logging is to provide a unified interface for "All Java log implementations" that decouple the project from the Log Implementation tool, its own log function is weak (only a simple simplelog), so it is generally not used alone. The log4j fea

=org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.layout=org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern=[QC] %p [%t] %C.%M(%L) | %m%n log4j.appender.R=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.R.File=D:\\Tomcat 5.5\\logs\\qc.loglog4j.appender.R.layout=org.apache.log4j.PatternLayout1log4j.appender.R.layout.ConversionPattern=%d-[TS] %p %t %c - %m%nlog4j.logger.com.neusoft=DEBUGlog4j.logger.com.opensymphony.oscache=ERRORlog4j.logger.net.sf.navigator=

To be perfected:(1). Here is an introduction to log4j more detailed blog, a cursory look at the next time to look deeper, write a more in-depth introduction, the first link recorded here:Log4j Detailed IntroductionThe log about log4j has been confused. Here is a summary summary:(2) log4j has a lot of bugs, such as deadlock. Now there are logback and log4j2. I'll

When the project is on-line, the runtime often also has an exception, in the exception throws, want to get feedback immediately. So you need to configure the log4j send email function.The original version of log4j used in the project is 1.2.9, but this version does not support the authentication function of the mail service, so the latest version 1.2.14 is downloaded again to view the source codeThis versio

Reprint, original website: http://blog.csdn.net/wud_jiyanhui/article/details/6213443The concept and function of system logAs an application service, the log system plays an important role in tracking debugging, program state record, and recovery of crash data .Common Java Log SystemLog4jOne of the earliest Java log frameworks, launched by the Apache Foundation, provides a flexible and powerful logging mechanism.JDK1.4 LoggingframeworkFollowing log4j

1.1 Preparation work One, Tomcat has been properly configured and used. Second, software download: log4j------Http://www.apache.org/dist/jakarta/log4j/jakarta-log4j-1.2.8.zip 1.2. log4j Introduction In emphasizing reusable component development today, in addition to developing a reusable log operation class from be

Log4j supports two configuration file formats: XML and Java. log4j. properties (Key = value ). Log4j is an open source project and is a widely used logging package written in Java. Due to the outstanding performance of log4j, at the time when log4j was completed, the

Method 1: Create a log4j. properties file in the src directory of the project, which is automatically copied to/WEB-INF/classes with the following content: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> ### Set log levels ###Log4j. rootlogger = Debug , Stdout , D , E ### Output to the console ###Log