[LOG4J2-893] NullPointerException on core.Logger$PrivateConfig.filter() when mapping JUL to Log4j2

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1

Environment

Mac OSX, Scala 2.10.4, SBT 0.13, Java(TM) SE Runtime Environment (build 1.7.0_45-b18)

• Assignee: Unassigned
• Reporter: Markus Lachinger
• Created: 08/Nov/14 05:08
• Updated: 19/Feb/15 21:18
• Resolved: 19/Feb/15 21:18

Description

I have a project in scala loading log4j2-core, api, jul, slf4j and jcl and try to map the JUL to Log4J by using the following java parameter:

-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager

I also use Twitter Server which uses JUL to log it's messages.

When I start up the server with the JUL mapping for Log4J I get a NullPointerException.

The exception and code is here:
https://gist.github.com/mmlac/2e2b38dc3fbd0e5b0da4

Might be related to LOG4J2-234

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