We can always write a custom appender and add it by changing root appender in log4j config file. Can you explain how adding appender grammatically would help?
-Priyanka On Sun, Apr 9, 2017 at 11:50 AM, Sanjay Pujare <san...@datatorrent.com> wrote: > Please give some examples and/or use cases of this programmatic log4j > appender. > > On Fri, Apr 7, 2017 at 8:40 PM, Sergey Golovko <ser...@datatorrent.com> > wrote: > > > Hi All, > > > > I'd like to add supporting of a custom defined log4j appender that can be > > added to Apex Application Master and Containers and be configurable > > programmatically. > > > > Sometimes it is not trivial to control log4j configuration via log4j > > properties. And I think the having of the approach to add a log4j > appender > > programmatically will allow the customers and developers to plugin their > > own custom defined log4j appenders and be much flexible for streaming and > > collection of Apex log events. > > > > I assume to provide generic approach for definition of the programmatic > > log4j appender and to pass all configuration parameters including a name > of > > the Java class with implementation of the log4j appender via system > and/or > > command line properties. > > > > Thanks, > > Sergey > > >
