Hi Dmitry, Did you also check out this documentation page? https://ci.apache.org/projects/flink/flink-docs-release-1.2/monitoring/best_practices.html#use-logback-when-running-flink-on-a-cluster
On Tue, Feb 7, 2017 at 1:07 PM, Dmitry Golubets <dgolub...@gmail.com> wrote: > Hi, > > documentation says: "Users willing to use logback instead of log4j can > just exclude log4j (or delete it from the lib/ folder)." > > But then Flink just doesn't start. I added logback-classic 1.10 to it's > lib folder, but still get NoClassDefFoundError: > ch/qos/logback/core/joran/spi/JoranException > > Something else I should do? Or should I use an older logback version? > > Best regards, > Dmitry >