Path to logback config file in Java Web project

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Configuration in Web. xml:

<!--windows Logback.xml files are in the same directory as Web containers (such as Tomcat). Linux Random--
<context-param>
<param-name>logbackConfigLocation</param-name>
<param-value>file:/datum/Data/conf/config/logback.xml</param-value>
</context-param>

<!--logback.xml free-
<context-param>
<param-name>logbackConfigLocation</param-name>
<param-value>file:E:\\datum\\data\\conf\\logback.xml</param-value>
</context-param>

Where file: Be sure to have.

<listener>
<listener-class>com.cxfmvcstu.comn.LogbackConfigListener</listener-class>
</listener>

Logbackconfiglistener for their own implementation class

Import Javax.servlet.servletcontextevent;import Javax.servlet.servletcontextlistener;import Org.slf4j.Logger; Import Org.slf4j.loggerfactory;import Org.springframework.core.io.urlresource;import Ch.qos.logback.classic.loggercontext;import Ch.qos.logback.classic.joran.joranconfigurator;import ch.qos.logback.core.joran.spi.joranexception;/** * @description * @path Com.cxfmvcstu.comn.LogbackConfigListener * @ Author Lijun.justin * @time June 27, 2015 PM 8:13:19 */public Class Logbackconfiglistener implements Servletcontextlistener { private static final Logger Logger = Loggerfactory.getlogger (logbackconfiglistener.class);p rivate static final String Config_location = "Logbackconfiglocation"; @Overridepublic void Contextinitialized (Servletcontextevent event) {// Load the log profile for the specified file name from web. XML logbackconfiglocation = Event.getservletcontext (). Getinitparameter (Config_location) ; STRING fn = Event.getservletcontext (). Getrealpath (logbackconfiglocation); try {Urlresource urlresource = new Urlresource (LogbaCkconfiglocation); Loggercontext Loggercontext = (loggercontext) loggerfactory.getiloggerfactory (); Loggercontext.reset (); Joranconfigurator joranconfigurator = new Joranconfigurator (); Joranconfigurator.setcontext (loggerContext);// Joranconfigurator.doconfigure (FN); Joranconfigurator.doconfigure (Urlresource.getfile (). GetAbsolutePath ()); Logger.debug ("Loaded slf4j configure file from {}", fn);} catch (Joranexception e) {logger.error ("can loading slf4j configure file from" + FN, e);} catch (Exception e) {logger.error (E.getmessage (), E);}} @Overridepublic void Contextdestroyed (Servletcontextevent event) {}}

To rely on spring's Urlresource class. The useless code inside, the reader to streamline their own

Example of Logback.xml configuration:

<?xml version= "1.0" encoding= "UTF-8"?>
<configuration scan= "true" scanperiod= "seconds" debug= "false" >
<!--console output--
<appender name= "stdout" class= "Ch.qos.logback.core.ConsoleAppender" >
<encoder>
<pattern>%date [%thread]%-5level%logger{80}-%msg%n</pattern>
</encoder>
</appender>


<!--time scrolling output level is INFO log--
<appender name= "File-info"
class= "Ch.qos.logback.core.rolling.RollingFileAppender" >
<filter class= "Ch.qos.logback.classic.filter.LevelFilter" >
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onmismatch>deny </onMismatch>
</filter>
<rollingpolicy class= "Ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >
<FileNamePattern>D:/logs/INFO.%d{yyyy-MM-dd}.log</FileNamePattern>
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder>
<pattern>%date [%thread]%-5level%logger{80}-%msg%n</pattern>
</encoder>
</appender>


<!--time scrolling output level is ERROR log--
<appender name= "File-error" class= "Ch.qos.logback.core.rolling.RollingFileAppender" >
<filter class= "Ch.qos.logback.classic.filter.LevelFilter" >
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onmismatch>deny </onMismatch>
</filter>
<rollingpolicy class= "Ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >
<FileNamePattern>D:/logs/error.%d{yyyy-MM-dd}.log</FileNamePattern>
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder>
<pattern>%date [%thread]%-5level%logger{80}-%msg%n</pattern>
</encoder>
</appender>


<!--a specific filter containing a string of logs requires an additional two jar packages, Commons-compiler.jar and Janino.jar
<appender name= "File-str" class= "Ch.qos.logback.core.rolling.RollingFileAppender" >
<filter class= "Ch.qos.logback.core.filter.EvaluatorFilter" >
<level>ERROR</level>
<evaluator>
<expression>message.contains ("str") </expression>
</evaluator>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingpolicy class= "Ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >
<filenamepattern>d:/logs/contains.%d{yyyy-mm-dd}.log
</FileNamePattern>
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder>
<pattern>%date [%thread]%-5level%logger{80}-%msg%n</pattern>
</encoder>
</appender>


<!--database Output
<appender name= "db" class= "Ch.qos.logback.classic.db.DBAppender" >
<filter class= "Ch.qos.logback.core.filter.EvaluatorFilter" >
<level>ERROR</level>
<evaluator>
<expression>message.contains ("str") </expression>
</evaluator>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<connectionsource
class= "Ch.qos.logback.core.db.DriverManagerConnectionSource" >
<driverClass>com.mysql.jdbc.Driver</driverClass>
<url>jdbc:mysql://host_name:3306/datebase_name</url>
<user>username</user>
<password>password</password>
</connectionSource>
</appender>


<root level= "INFO" >
<appender-ref ref= "stdout"/>
<appender-ref ref= "File-info"/>
<appender-ref ref= "File-error"/>
<appender-ref ref= "File-str"/>
<appender-ref ref= "db"/>
</root>


</configuration>

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Path to logback config file in Java Web project