Log4J 2.1 bug report

build.sbt

name := "breaklog4jul"

version := "1.0"

scalaVersion := "2.10.4"

libraryDependencies ++= Seq(
  "com.twitter"                   %   "util-app_2.10"         %   "6.22.1",
  "com.twitter"                   %   "finagle-stats_2.10"    %   "6.22.0"
)

libraryDependencies ++= Seq(
  "org.apache.logging.log4j"      %   "log4j-api"             %   "2.1",
  "org.apache.logging.log4j"      %   "log4j-core"            %   "2.1",
  "org.apache.logging.log4j"      %   "log4j-slf4j-impl"      %   "2.1",
  "org.apache.logging.log4j"      %   "log4j-jul"             %   "2.1",
  "org.apache.logging.log4j"      %   "log4j-jcl"             %   "2.1"
)

libraryDependencies += "com.twitter" % "twitter-server_2.10"  % "1.8.0"

Foo.scala

package foo.bar

import com.twitter.server.TwitterServer

/**
 * Created by mmlac on 11/7/14.
 */
object Foo extends TwitterServer {
  def main(): Unit = {
    log.debug("this is a test!")
  }
}

Startup & Exception

ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console.
Exception in thread "main" java.lang.ExceptionInInitializerError
	at com.twitter.server.Admin$class.$init$(Admin.scala:13)
	at foo.bar.Foo$.<init>(Foo.scala:8)
	at foo.bar.Foo$.<clinit>(Foo.scala)
	at foo.bar.Foo.main(Foo.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
Caused by: java.lang.NullPointerException
	at org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:301)
	at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:122)
	at org.apache.logging.log4j.spi.ExtendedLoggerWrapper.isEnabled(ExtendedLoggerWrapper.java:87)
	at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:699)
	at org.apache.logging.log4j.jul.WrappedLogger.log(WrappedLogger.java:50)
	at org.apache.logging.log4j.jul.ApiLogger.log(ApiLogger.java:106)
	at com.twitter.finagle.util.LoadService$$anonfun$apply$9.apply(LoadService.scala:186)
	at com.twitter.finagle.util.LoadService$$anonfun$apply$9.apply(LoadService.scala:181)
	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
	at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
	at scala.collection.AbstractTraversable.map(Traversable.scala:105)
	at com.twitter.finagle.util.LoadService$.apply(LoadService.scala:181)
	at com.twitter.finagle.http.HttpMuxer$.<init>(HttpMuxer.scala:118)
	at com.twitter.finagle.http.HttpMuxer$.<clinit>(HttpMuxer.scala)
	... 9 more