Hi Benoit,
My response can be found below.
On 02.05.2012 09:53, tsuna wrote:
Hi list,
I just upgraded from logback-{core,classic} 1.0.0 to 1.0.2 and now
whenever I start my application I see a message like this one:
#logback.classic pattern: %msg%n
in my logs. Like, really, it's literally logging the format string
itself. Has a debug statement slipped in the 1.0.2 release?
Here's the configuration of the app, in case you need it:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>
%d{ISO8601} %-5level [%thread] %logger{0}: %msg%n
</pattern>
</encoder>
</appender>
<appender name="ACCESS"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>logs/access.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>logs/access.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>1GB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
<maxHistory>45<!-- days --></maxHistory>
</rollingPolicy>
<encoder>
<pattern>%msg%n</pattern>
</encoder>
</appender>
<logger name="access.log" additivity="false">
<appender-ref ref="ACCESS"/>
</logger>
<root level="info">
<appender-ref ref="STDOUT"/>
</root>
</configuration>
When I start my app, before my main() starts, I see this on the STDOUT
console logger:
#logback.classic pattern: %d{ISO8601} %-5level [%thread] %logger{0}: %msg%n
This can be fixed by telling the PatternLayout not to print the output
pattern string as a header. Here is the modified ConsoleAppender definition.
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{ISO8601} %-5level [%thread] %logger{0}: %msg%n</pattern>
<-- do not print pattern as a header -->
<outputPatternAsPresentationHeader>
false
</outputPatternAsPresentationHeader>
</encoder>
</appender>
And this gets added to my logs/access.log:
#logback.classic pattern: %msg%n
Here is the modified RollingFileAppender defintion:
<appender name="ACCESS"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>access.log</file>
<rollingPolicy
class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>access.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>1GB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
<maxHistory>45<!-- days --></maxHistory>
</rollingPolicy>
<encoder>
<pattern>%msg%n</pattern>
<-- do not print pattern as a header -->
<outputPatternAsPresentationHeader>
false
</outputPatternAsPresentationHeader>
</encoder>
</appender>
HTH,
--
Ceki
http://twitter.com/#!/ceki
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