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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