Any idea on how I can use log back instead ?
On Fri, Aug 23, 2019 at 1:22 PM Vishwas Siravara
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.(ClusterEntrypoint.java:98)
>
>
> How can I use logback instead ?
>
>
> Thanks,
> Vishwas
>
>