An option to roll even empty files would be great. Because in our case we always want to roll the previous log file.
>Actually, the triggering policy could write to the file since it has access to >the Manager. I've looked through all the possible methods on RollingFileManager and nothing jumped out that allows us to write to the log file. I only see drain(ByteBuffer), is that the one to use? Writing from triggering policy seems to be the easiest way in our case. On 2016-06-15 12:25 (-0400), Ralph Goers <ralph.go...@dslextreme.com> wrote: > I can add an option to the OnStartupTriggeringPolicy to only roll if the file > meets or exceeds a minimum value. The default would be 1 byte. > > Also, I believe I introduced another bug. The file is now going to roll > every time a reconfiguration takes place, which is obviously incorrect. I > need to fix that asap. > > The PatternLayout does not support interpolation of the header and footer but > the Configuration does. All attributes are interpolated as the configuration > is read. You could create your own custom Lookup to get the processId, but > that may be something we should add to the standard set of properties. > > Actually, the triggering policy could write to the file since it has access > to the Manager. > > Ralph > > > > > On Jun 15, 2016, at 8:17 AM, Leon Finker <leon...@gmail.com> wrote: > > > > Hi, > > > > What would be the best way to implement the following: > > 1. Always roll log file once on JVM startup (and only on JVM startup). - > > This could be done with implementing another OnStartupTriggeringPolicy (the > > one from 2.6.1+ doesn't roll empty files anymore). > > 2. Log an entry in the new log file (after the roll) with something like: > > Constants.LINE_SEPARATOR + "---------- " + DateTime.now() + " STARTING " + > > service_instance_Name + " " + getProcessId() + " ----------" > > - Does PatternLayout's header support system property lookup variables > > (i.e.: service instance name and date time now)? > > - Not sure how to allow for custom method call to get the getProcessId() > > into the header > > - It could've been easy if I could do it from OnStartupTriggeringPolicy, > > but there is no way to write to the new rolled log file from there. > > > > Is there a way? > > > > Thank you > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org > > For additional commands, e-mail: log4j-user-h...@logging.apache.org > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org > For additional commands, e-mail: log4j-user-h...@logging.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org
