Logback suddenly stopped logging

16 Dec 2009

      We have logback configured with this configuration:

   <appender name="FILE"
class="ch.qos.logback.core.rolling.RollingFileAppender">
      <Append>true</Append>
      <file>logs/process.log</file>
      <rollingPolicy
class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">

 <FileNamePattern>logs/process-%d{yyyy-MM-dd_HH}.%i.log</FileNamePattern>
         <TimeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
            <MaxFileSize>1MB</MaxFileSize>
         </TimeBasedFileNamingAndTriggeringPolicy>
      </rollingPolicy>
       <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>%date|%level|%logger{10}|%msg|%throwable{5}%n</Pattern>

      </layout>
   </appender>

The thing is that in our production environment (HP-UX) and under heavy
load, logging was working fine for a time, and suddenly stop working.

>From the status we see this:
INFO in c.q.l.co.rolling.helper.RenameUtil - Renaming file
[/gp/log/process.log] to [/gp/log/process.2009-12-16_11.22.log], ERROR in
ch.qos.logback.core.rolling.RollingFileAppender[FILE] - IO failure in
appender java.io.InterruptedIOException: , WARN in
ch.qos.logback.core.rolling.RollingFileAppender[FILE] - Attempted to append
to non started appender [FILE]., WARN in
ch.qos.logback.core.rolling.RollingFileAppender[FILE] - Attempted to append
to non started appender [FILE]., WARN in
ch.qos.logback.core.rolling.RollingFileAppender[FILE] - Attempted to append
to non started appender [FILE]., INFO in c.q.l.co.rolling.helper.RenameUtil
- Renaming file [/gp/log/application.log] to
[/gp/log/application.2009-12-16_11.log]]

Jorge Morales Pou

Alex Hoyos

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