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From Kevin Hale Boyes <kcbo...@gmail.com>
Subject Re: log4j.properties gets loaded twice causing rollling to fail
Date Wed, 23 Jul 2014 14:39:47 GMT
Does log4j2 support configuration through property (.lcf) files?  I haven't
checked recently but I thought it only supported XML configuration.
Thanks,
Kevin


On 10 July 2014 21:49, Remko Popma <remko.popma@gmail.com> wrote:

> Hi,
>
> Is it possible for you to switch to log4j2? All our effort is currently
> focussed on log4j2.
>
> Best regards,
> Remko
>
> Sent from my iPhone
>
> > On 2014/07/11, at 12:16, guowei <geraldlsg@yahoo.com.sg> wrote:
> >
> > Dear all,
> >
> > I am using log4j for tomcat internal logging and also application
> logging.
> >
> > I followed Tomcat's instruction to configure log4j rolling and I also
> have configured my application to have its own log4j rolling.
> >
> > log4j.jar is in both Tomcat's lib and web application's lib, each have
> their respective log4j.properties
> >
> > I enabled -Dlog4j.debug and I can see the sequence of the events
> >
> > 1) log4j.properties for the tomcat gets loaded by Tomcat's
> StandardClassLoader
> > 2) the same log4j.properties for tomcat gets loaded by the Tomcat's
> WebappClassLoader
> > 3) application's log4j.properties is loaded
> >
> > Between 1) and 2) I can see the tomcat files being rolled ( I
> intentionally set DailyRollingAppender to yyyy-MM-dd-HH-mm and DEBUG level
> to make sure lots of things gets logged). Rolling was working well. Files
> were rolled on the minute
> >
> > However, when step 2) kicks in, the rolling of tomcat files failed.
> > I reckon that the moment the the same log4j.properties is loaded, there
> is a conflict since the same appenders are referred twice.
> > I am not certain has it anything to do with the tomcat's log4j
> configuration or appliation's log4j configuration. The Application's log
> files are rolled correctly.
> > Would appreciate if anyone can enlighten me.
> >
> > -----Dlog4j.debug output----
> > log4j: Trying to find [log4j.xml] using context classloader
> org.apache.catalina.loader.StandardClassLoader@1529d183.
> > log4j: Trying to find [log4j.xml] using
> org.apache.catalina.loader.StandardClassLoader@1529d183 class loader.
> > log4j: Trying to find [log4j.xml] using ClassLoader.getSystemResource().
> > log4j: Trying to find [log4j.properties] using context classloader
> org.apache.catalina.loader.StandardClassLoader@1529d183.
> > log4j: Using URL [file:/C:\Apache\Tomcat/lib/log4j.properties] for
> automatic log4j configuration.
> > log4j: Reading configuration from URL
> file:/C:\Apache\Tomcat/lib/log4j.properties
> > log4j: Parsing for [root] with
> value=[WARN,CATALINA,LOCALHOST,MANAGER,HOST-MANAGER,stdout,stderr].
> > log4j: Level token is [WARN].
> > log4j: Category root set to WARN
> > log4j: Parsing appender named "CATALINA".
> > log4j: Parsing layout options for "CATALINA".
> > log4j: Setting property [conversionPattern] to [%d [%t] %-5p %c- %m%n].
> > log4j: End of parsing for "CATALINA".
> > log4j: Setting property [encoding] to [UTF-8].
> > log4j: Setting property [datePattern] to ['.'yyyy-MM-dd-HH-mm'.log'].
> > log4j: Setting property [file] to [C:\Apache\Tomcat/logs/catalina].
> > log4j: Setting property [append] to [true].
> > log4j: setFile called: C:\Apache\Tomcat/logs/catalina, true
> > log4j: setFile ended
> > log4j: Appender [CATALINA] to be rolled on top of every minute.
> > log4j: Parsed "CATALINA" options.
> > log4j: Handling
> log4j.additivity.org.apache.catalina.core.ContainerBase.[Catalina].[localhost]=[null]
> > log4j: Finished configuring.
> > .
> > .
> > #Parsing for rest of the file
> > .
> > .
> > log4j: Parsing for
> [org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[host-manager]]
> with value=[WARN, HOST-MANAGER].
> > log4j: Level token is [WARN].
> > log4j: Category
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[host-manager]
> set to WARN
> > log4j: Parsing appender named "HOST-MANAGER".
> >
> >
> > delegate: false
> >  repositories:
> >    /WEB-INF/classes/
> > ----------> Parent Classloader:
> > org.apache.catalina.loader.StandardClassLoader@6c79fa4f
> > .
> > log4j: Trying to find [log4j.xml] using WebappClassLoader
> >  context: /mya
> >  delegate: false
> >  repositories:
> >    /WEB-INF/classes/
> > ----------> Parent Classloader:
> > org.apache.catalina.loader.StandardClassLoader@6c79fa4f
> > class loader.
> > log4j: Trying to find [log4j.xml] using ClassLoader.getSystemResource().
> > log4j: Trying to find [log4j.properties] using context classloader
> WebappClassLoader
> >  context: /mya
> >  delegate: false
> >  repositories:
> >    /WEB-INF/classes/
> > ----------> Parent Classloader:
> > org.apache.catalina.loader.StandardClassLoader@6c79fa4f
> > .
> > log4j: Using URL [file://C:\Apache\Tomcat/lib/log4j.properties] for
> automatic log4j configuration.
> >
> > log4j: Using URL [file:/C:\Apache\Tomcat/lib/log4j.properties] for
> automatic log4j configuration.
> > log4j: log4j: Parsing for [root] with
> value=[WARN,CATALINA,LOCALHOST,MANAGER,HOST-MANAGER,stdout,stderr].
> > log4j: Level token is [WARN].
> > Reading configuration from URL
> file:/C:\Apache\Tomcat/lib/log4j.properties
> >
> > log4j: Category root set to WARN
> > log4j: Parsing appender named "CATALINA".
> > log4j: Parsing layout options for "CATALINA".
> > log4j: Setting property [conversionPattern] to [%d [%t] %-5p %c- %m%n].
> > log4j: End of parsing for "CATALINA".
> > log4j: Setting property [encoding] to [UTF-8].
> > log4j: Setting property [datePattern] to ['.'yyyy-MM-dd-HH-mm'.log'].
> > log4j: Setting property [file] to [C:\Apache\Tomcat/logs/catalina].
> > log4j: Setting property [append] to [true].
> > log4j: setFile called: C:\Apache\Tomcat/logs/catalina, true
> > log4j: setFile ended
> > log4j: Appender [CATALINA] to be rolled on top of every minute.
> > log4j: Parsed "CATALINA" options.
> > log4j: Handling
> log4j.additivity.org.apache.catalina.core.ContainerBase.[Catalina].[localhost]=[null]
> > log4j: Finished configuring.
> > .
> > .
> > #Parsing for rest of the appenders
> > .
> > .
> > log4j: Parsing for
> [org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[host-manager]]
> with value=[WARN, HOST-MANAGER].
> > log4j: Level token is [WARN].
> > log4j: Category
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[host-manager]
> set to WARN
> > log4j: Parsing appender named "HOST-MANAGER".
> > .
> > .
> > .
> > log4j: Reading configuration from URL
> file:/C:\Apache\Tomcat/webapps/mya/WEB-INF/classes/properties/log4j.properties
> >
> > log4j: Parsing for [org] with value=[INFO, DA, stdout].
> > log4j: Level token is [INFO].
> > log4j: Category org set to INFO
> > log4j: Parsing appender named "DA".
> > log4j: Parsing layout options for "DA".
> > log4j: Setting property [conversionPattern] to [%-5p [%t] [%X{userID}]
> %d{dd-MM-yyyy HH:mm:ss:SSS} [%30c{1}] - %m  %n].
> > log4j: End of parsing for "DA".
> > log4j: Setting property [append] to [true].
> > log4j: Setting property [file] to [C:\Apache\Tomcat/logs/mya.log].
> > log4j: Setting property [datePattern] to ['.'yyyy-MM-dd-HH].
> > log4j: setFile called: C:\Apache\Tomcat/logs/mya.log, true
> > log4j: setFile ended
> > log4j: Appender [DA] to be rolled on top of every hour.
> > log4j: Parsed "DA" options.
> > log4j: Parsing appender named "stdout".
> > log4j: Parsing layout options for "stdout".
> > log4j: Setting property [conversionPattern] to [%-5p [%t] [%X{userID}]
> %d{dd-MM-yyyy HH:mm:ss:SSS} [%30c{1}] - %m  %n].
> > log4j: End of parsing for "stdout".
> > log4j: Parsed "stdout" options.
> > log4j: Handling log4j.additivity.org=[null]
> > .
> > .
> > .
> > #parsing of the application's log4j
> > .
> > .
> > .
> > log4j:ERROR Failed to rename [C:\Apache\Tomcat/logs/catalina] to
> [C:\Apache\Tomcat/logs/catalina.2014-07-10-17-09-20.log].
> > log4j:ERROR Failed to rename [C:\Apache\Tomcat/logs/localhost] to
> [C:\Apache\Tomcat/logs/localhost.2014-07-10-17-09-20.log].
> > log4j:ERROR Failed to rename [C:\Apache\Tomcat/logs/manager] to
> [C:\Apache\Tomcat/logs/manager.2014-07-10-17-09-20.log].
> > log4j:ERROR Failed to rename [C:\Apache\Tomcat/logs/host-manager] to
> [C:\Apache\Tomcat/logs/host-manager.2014-07-10-17-09-20.log].
> > log4j:ERROR Failed to rename [C:\Apache\Tomcat/logs/stdout] to
> [C:\Apache\Tomcat/logs/stdout.2014-07-10-17-09-20.log].
> > log4j:ERROR Failed to rename [C:\Apache\Tomcat/logs/stderr] to
> [C:\Apache\Tomcat/logs/stderr.2014-07-10-17-09-20.log].
> > ----------------------------------
> >
> >
> > ----tomcat log4j properties----
> >
> log4j.rootLogger=INFO,CATALINA,LOCALHOST,MANAGER,HOST-MANAGER,stdout,stderr
> >
> > # Define all the appenders
> > log4j.appender.CATALINA=org.apache.log4j.DailyRollingFileAppender
> > log4j.appender.CATALINA.File=${catalina.base}/logs/catalina
> > log4j.appender.CATALINA.Append=true
> > log4j.appender.CATALINA.Encoding=UTF-8
> > log4j.appender.CATALINA.DatePattern = '.'yyyy-MM-dd-HH-mm'.log'
> > log4j.appender.CATALINA.layout = org.apache.log4j.PatternLayout
> > log4j.appender.CATALINA.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
> >
> > .
> > .
> > .
> > log4j.appender.stdout=org.apache.log4j.DailyRollingFileAppender
> > log4j.appender.stdout.File=${catalina.base}/logs/stdout
> > log4j.appender.stdout.Append=true
> > log4j.appender.stdout.Encoding=UTF-8
> > log4j.appender.stdout.DatePattern = '.'yyyy-MM-dd-HH-mm'.log'
> > log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
> > log4j.appender.stdout.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
> >
> >
> > # Configure which loggers log to which appenders
> >
> log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost]=DEBUG,
> CATALINA
> >
> log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[\manager]=DEBUG,
> MANAGER
> >
> log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[\host-manager]=DEBUG,
> HOST-MANAGER
> >
> > --------end tomcat log4j properties----
> >
> > ---my application's log4j---
> > log4j.log.dir=${catalina.home}/logs
> >
> > #Application Log
> > log4j.logger.ou.org.to=ALL, DA, stdout
> > log4j.logger.aud=ALL,AudAppender, stdout
> > log4j.logger.ou.org.to.osf.core.aop.MethodTrace=ALL,
> MethodTraceAppender, stdout
> > log4j.logger.ou.org.to.osf.core.aop.PerfMonitor=ALL, PerfAppender, stdout
> >
> > log4j.appender.stdout=org.apache.log4j.ConsoleAppender
> > log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
> > log4j.appender.stdout.layout.ConversionPattern=%-5p [%t] [%X{userID}]
> %d{dd-MM-yyyy HH:mm:ss:SSS} [%30c{1}] - %m  %n
> >
> > log4j.appender.DA=org.apache.log4j.DailyRollingFileAppender
> > log4j.appender.DA.file=${log4j.log.dir}/mya.log
> > log4j.appender.DA.layout=org.apache.log4j.PatternLayout
> > log4j.appender.DA.layout.ConversionPattern=%-5p [%t] [%X{userID}]
> %d{dd-MM-yyyy HH:mm:ss:SSS} [%30c{1}] - %m  %n
> > log4j.appender.DA.DatePattern='.'yyyy-MM-dd-HH
> > log4j.appender.DA.append=true
> > --------------------------------------
> >
> > ---------------------------------------------------------------------
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