Hello,
I had this code well tested when I wrote it months ago, but now it is failing.
The only issue is the SiftingAppender:
<appender name="SIFTING"
class="ch.qos.logback.classic.sift.SiftingAppender"> <discriminator
class="ch.qos.logback.classic.sift.MDCBasedDiscriminator">
<key>userId</key> <defaultValue>none</defaultValue>
</discriminator> <sift> <appender
name="SIFTING-${userId}"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log_dir}/sifting/log.${userId}.%d{yyyy-MM-dd}.%i.log.zip</fileNamePattern>
<maxHistory>30</maxHistory>
<cleanHistoryOnStart>true</cleanHistoryOnStart>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>25MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy> <encoder><pattern>%date
%-5level %logger %X{userId} - %message%n%xThrowable{full}</pattern></encoder>
</appender> </sift> </appender>
It is simply not logging anything at all. The startup info is short, maybe
indicating that it is not being properly initialized:
10:29:18,102 |-INFO in ch.qos.logback.core.rolling.RollingFileAppender[MAIN] -
File property is set to [null]10:29:18,102 |-INFO in
ch.qos.logback.core.joran.action.AppenderAction - About to instantiate appender
of type [ch.qos.logback.classic.sift.SiftingAppender]10:29:18,107 |-INFO in
ch.qos.logback.core.joran.action.AppenderAction - Naming appender as
[SIFTING]10:29:18,107 |-INFO in
ch.qos.logback.classic.joran.action.LoggerAction - Setting additivity of logger
[package.project.x] to false...10:29:18,727 |-INFO in
ch.qos.logback.classic.joran.action.RootLoggerAction - Setting level of ROOT
logger to WARN10:29:18,727 |-INFO in
ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named
[MAIN] to Logger[ROOT]10:29:18,727 |-INFO in
ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named
[SIFTING] to Logger[package.project]10:29:18,727 |-INFO in
ch.qos.logback.classic.joran.action.ConfigurationAction - End of configuration.
I was upgrading from logback 1.0 to 1.0.1 to use 'cleanHistoryOnStart' when I
noticed this. I rolled back to 1.0, but nothing changed. Following other mails
and messages around, I tried my RollingFileAppender by itself, and it works
fine. The MDC is also fine, as it is printed in my other appenders. I also
used <statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener"
/> , but nothing useful.
Right now I have no idea how to proceed or how can I investigate this
further.Any help is appreciated.
Thanks!
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