MrtnBalazs commented on code in PR #688:
URL: https://github.com/apache/knox/pull/688#discussion_r1038300204


##########
pom.xml:
##########
@@ -1565,6 +1565,10 @@
                         <groupId>org.slf4j</groupId>
                         <artifactId>slf4j-log4j12</artifactId>
                     </exclusion>
+                    <exclusion>

Review Comment:
   I got this error message after building the project:
   ```
   SLF4J: Class path contains multiple SLF4J bindings.
   SLF4J: Found binding in 
[jar:file:/Users/mbalazs/projects/test/bin/../dep/slf4j-reload4j-1.7.35.jar!/org/slf4j/impl/StaticLoggerBinder.class]
   SLF4J: Found binding in 
[jar:file:/Users/mbalazs/projects/test/bin/../dep/log4j-slf4j-impl-2.17.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
   SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an 
explanation.
   SLF4J: Actual binding is of type [org.slf4j.impl.Reload4jLoggerFactory]
   log4j:WARN No appenders could be found for logger 
(org.apache.hadoop.metrics2.lib.MutableMetricsFactory).
   log4j:WARN Please initialize the log4j system properly.
   ```
   I checked with `mvn dependency:tree` and the hadoop-auth and hadoop-common 
dependency pulled in the new `slf4j`.



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