Any idea on how I can use log back instead ? On Fri, Aug 23, 2019 at 1:22 PM Vishwas Siravara <vsirav...@gmail.com> wrote:
> Hi , > From the flink doc , in order to use logback instead of log4j " Users > willing to use logback instead of log4j can just exclude log4j (or delete > it from the lib/ folder)." > https://ci.apache.org/projects/flink/flink-docs-stable/monitoring/logging.html > . > > However when i delete it from the lib and start the cluster , there are no > logs generated , instead I see console log which says "Failed to > instantiate SLF4J LoggerFactory" > > Reported exception: > java.lang.NoClassDefFoundError: org/apache/log4j/Level > at org.slf4j.LoggerFactory.bind(LoggerFactory.java:143) > at > org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:122) > at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:378) > at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:328) > at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:349) > at > org.apache.flink.runtime.entrypoint.ClusterEntrypoint.<clinit>(ClusterEntrypoint.java:98) > > > How can I use logback instead ? > > > Thanks, > Vishwas > >
