I have a issue where sometime log rolling creating a .tmp file and does not create the original log file back. interesting I noticed this happens when rolling of logs start 1 min before the midnight.
1.7.15
my logback.xml configuration is as below
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>${COMPONENT_LOGDIR}/abc.log</File>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${COMPONENT_LOGDIR}/abc.log.%d{yyyy-MM-dd}.%i.gz</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>750MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
<maxHistory>10</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${logPatternMdc}</pattern>
</encoder>
</appender>
Using different rolling policy seemed to have fixed the issue. please refer to working config below:
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>${COMPONENT_LOGDIR}/otm-rest.log</File>
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<fileNamePattern>${COMPONENT_LOGDIR}/otm-rest.log.%d{yyyy-MM-dd}.%i.gz</fileNamePattern>
<maxFileSize>750MB</maxFileSize>
<maxHistory>30</maxHistory>
<totalSizeCap>15GB</totalSizeCap>
</rollingPolicy>
<encoder>
<pattern>${logPatternMdc}</pattern>
</encoder>
</appender>