[jira] [Assigned] (LOGCXX-464) TimeBasedRollingPolicy should append as configured on rollover

["Thorsten Schöning (JIRA)" <lo...@logging.apache.org>]

     [ https://issues.apache.org/jira/browse/LOGCXX-464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thorsten Schöning reassigned LOGCXX-464:
----------------------------------------

    Assignee: Thorsten Schöning

> TimeBasedRollingPolicy should append as configured on rollover
> --------------------------------------------------------------
>
>                 Key: LOGCXX-464
>                 URL: https://issues.apache.org/jira/browse/LOGCXX-464
>             Project: Log4cxx
>          Issue Type: Bug
>          Components: Appender
>    Affects Versions: 0.10.0
>         Environment: Win32, Linux
>            Reporter: Martijn Buijs
>            Assignee: Thorsten Schöning
>
> I'm using log4cxx 0.10.0 configured through xml to use a RollingFileAppender that rolls/triggers using a TimeBasedRollingPolicy.
> * The append property on the RollingFileAppender  is true.
> * The FileNamePattern of the TimeBasedRollingPolicy is set to use the following pattern: {code}%d{yyyyMMdd.HH}.log{code}
> This setup I use in an embedded system that is not directly connected to the internet and has no battery powered rtc. This means that the system time is always 1970-01-01 01:00:00 at boot, normally time is synchronized by the user after boot.
> In this case the following situation can occur:
> # Current time is 2016-04-05 15:20:00, my application is logging to {code}20160405.15.log{code}
> # User restarts the system, time is now 1970-01-01 01:00, my application starts at boot and starts logging to {code}19700101.01.log{code}
> # User synchronizes time to 2016-04-05 15:25:00. Now the application truncates {code}20160405.15.log{code} and start writing logs to it.
> I've traced the cause of this down to 1 line in timebasedrollingpolicy.cpp, in the end of ::rollover:
> {code}
>   return new RolloverDescription(
>     nextActiveFile, false, renameAction, compressAction);
> {code}
> In this line append is hardcoded to false, instead of using the append property.



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