[jira] [Created] (LOG4J2-1108) NullPointerException when using custom java.util.logging.Level

["Mikael Ståldal (JIRA)" <ji...@apache.org>]

Mikael Ståldal created LOG4J2-1108:
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             Summary: NullPointerException when using custom java.util.logging.Level
                 Key: LOG4J2-1108
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1108
             Project: Log4j 2
          Issue Type: Bug
          Components: JUL adapter
    Affects Versions: 2.4
         Environment: -Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager
            Reporter: Mikael Ståldal


When using a 3rd party library (Twitter Finagle) which uses a custom java.util.logging.Level, I get this:

{code}
Exception in thread "main" java.lang.NullPointerException
        at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
        at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
        at org.apache.logging.log4j.jul.DefaultLevelConverter.toLevel(DefaultLevelConverter.java:119)
        at org.apache.logging.log4j.jul.LevelTranslator.toLevel(LevelTranslator.java:72)
        at org.apache.logging.log4j.jul.CoreLogger.setLevel(CoreLogger.java:47)
        at com.twitter.logging.Logger.setLevel(Logger.scala:63)
{code}



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