Github user cestella commented on the issue:
https://github.com/apache/metron/pull/772
Oh, sorry, forgot to respond here @ottobackwards You can test it by passing
in a log4j properties (let's say something that turns on DEBUG logging) file
via -l and ensure that the REPL shows debug logging.
Perhaps something like:
```
log4j.rootLogger=DEBUG,stdout
log4j.threshhold=ALL
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}
(%F:%M(%L)) - %m%n
log4j.appender.stdout.filter.1=org.apache.log4j.varia.StringMatchFilter
log4j.appender.stdout.filter.1.StringToMatch=ExpiredTokenRemover
log4j.appender.stdout.filter.1.AcceptOnMatch=false
log4j.appender.stdout.filter.2=org.apache.log4j.varia.StringMatchFilter
log4j.appender.stdout.filter.2.StringToMatch=interrupted
log4j.appender.stdout.filter.2.AcceptOnMatch=false
```
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