Thank you Volkan and Ralph for your ridiculously fast responses. I think we can put in the, what seems to be pretty minimal, effort to get the logstash layout plugin working and then migrate to JsonTemplateLayout when that releases. The ability to order fields, while less critical, is also a nice boon as well.
On Tue, Jun 30, 2020 at 1:06 PM Ralph Goers <ralph.go...@dslextreme.com> wrote: > If you can live with the GelfLayout you could also try that. It will let > you format the message attribute using a Pattern String equivalent to the > PatternLayout, so you use its expression to limit the length. > > Ralph > > > On Jun 30, 2020, at 12:28 PM, Volkan Yazıcı <volkan.yaz...@gmail.com> > wrote: > > > > Hello Ayush, > > > > As of this moment, there doesn't exist such a configuration knob in > > JsonLayout, AFAIK. Though the future is bright! There is an external > > plugin, log4j2-logstash-layout[1], which delivers what you're looking > > for (see its maxStringLength parameter) and more! The good news is, we > > are in the process of merging this external plugin into the Log4j core > > with a major overhaul and rebranding, JsonTemplateLayout. > > Implementation is completed, but it is waiting for a final review on a > > particular aspect by one of the core members, Ralph Goers. > > > > My personal advice would be to go with LogstashLayout and switch to > > JsonTemplateLayout once it is there. > > > > Kind regards. > > > > [1] https://github.com/vy/log4j2-logstash-layout > > > > On Tue, Jun 30, 2020 at 8:47 PM Ayush Kumar <ay...@finixpayments.com> > wrote: > >> > >> Not sure where else to ask this question (stackoverflow maybe?), so > >> apologies if this isn't the right forum. > >> > >> We've recently migrated to log4j2 from logback and are using the > jsonlayout > >> for a file appender. These logs are then parsed by scalyr (awesome tool > >> btw). We've noticed that extended stacktraces in jsonlayout are > >> ridiculously long. Reaching >20k characters, even with string mode > enabled. > >> This is a problem because there's a max log line size that we can parse > >> (something around 8k I think). > >> > >> I was wondering if there was any way to get the default jsonlayout to > cut > >> down the size of stacktraces. PatternLayout has %ex{n}, and I was hoping > >> for something that wasn't creating my own layout, rewriting every log > >> message, or manually making pattern layout be a json format with > %enc{json} > >> and a pattern like {"message": "%enc(%m){json}", ...}. > >> > >> I've created a ticket for it as well > >> https://issues.apache.org/jira/browse/LOG4J2-2879. > >> > >> Thanks. > > > > --------------------------------------------------------------------- > > 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 > >
