alinger created LOGBACK-1411: -------------------------------- Summary: Overwrite file contents when restarted Key: LOGBACK-1411 URL: https://jira.qos.ch/browse/LOGBACK-1411 Project: logback Issue Type: Bug Affects Versions: 1.2.3, 1.1.11 Environment: <?xml version="1.0" encoding="utf-8"?> <configuration> <property name="LOG_HOME" value="d:/imgtest/log"/> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <append>true</append> <Encoding>UTF-8</Encoding> <layout class="ch.qos.logback.classic.PatternLayout"> <pattern>%d\{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger\{50} - %msg%n</pattern> </layout> </appender> <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender"> <append>true</append>  <Encoding>UTF-8</Encoding>  <file>$\{LOG_HOME}/log.log</file> <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy"> <!-- rollover daily --> <fileNamePattern>$\{LOG_HOME}/log-%d\{yyyy-MM-dd}.%i.log</fileNamePattern> <!-- each file should be at most 100MB, keep 60 days worth of history, but at most 20GB --> <maxFileSize>1MB</maxFileSize> <maxHistory>60</maxHistory> <totalSizeCap>1GB</totalSizeCap> </rollingPolicy> <encoder> <pattern>%d\{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger\{50} - %msg%n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="STDOUT"/> <appender-ref ref="FILE"/> </root> </configuration> Reporter: alinger Assignee: Logback dev list When I use RollingFileAppender and SizeAndTimeBasedRollingPolicy to set <append>true</append> and <file>log.log</file> at the same time, but when I stop and restart on the same day, the original contents of the log.log file are emptied, but the original content does not generate a rolling file, and you can't find the original content anywhere. -- This message was sent by Atlassian JIRA (v7.3.1#73012)