Very nice Dawid, thanks! I'll give this a try next time I run the tests. Regards, Juha
El vie., 30 oct. 2020 a las 13:13, Dawid Wysakowicz (<dwysakow...@apache.org>) escribió: > Small correction to my previous email. The previously mentioned problem > is actually not a problem. You can just pass the log4j.configurationFile > explicitly: > > mvn '-Dlog4j.configurationFile=[path]/log4j2-on.properties' clean install > > Best, > > Dawid > > On 23/10/2020 09:48, Juha Mynttinen wrote: > > Hey there, > > > > I noticed that when building and testing Flink itself, logging seems > > to be non-existing or very quiet. > > > > I had a look at the logging conf files (such > > as flink-tests/src/test/resources/log4j2-test.properties) and the > > pattern seems to be that the logging is turned off in tests. At least > > it looks like that to me in the conf files and I couldn't find any logs. > > > > I understand that excessive logging can cause flooding of build logs, > > when logging to stderr and this can be a problem in e.g. the CI > > environment. Is there some other rationale why logging is disabled? > > > > It'd be super nice if one could somehow globally enable test logging > > and log to e.g. rolling log files. Is there such a mechanism? > > > > Missing logs can be a problem with testing locally. If you hit such an > > issue when running the tests locally that the logs would help to fix, > > there are no logs and you need to enable logging and re-run the tests. > > This is not great. And if the bug is a "Heisenbug" you might not find > > the bug on the re-run. > > > > Regards, > > Juha > >