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https://issues.apache.org/jira/browse/LOG4J2-2316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ranjit Dsouza updated LOG4J2-2316:
----------------------------------
    Affects Version/s: 2.10.0

> NullPointerException while calling Configurator.setLevel()
> ----------------------------------------------------------
>
>                 Key: LOG4J2-2316
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2316
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.10.0
>         Environment: webapplication running in tomcat 8.5
>            Reporter: Ranjit Dsouza
>            Priority: Major
>
> Hi I want to report an intermittent issue in my webapplication wherein log4j 
> throws an NPE.
> Here is the stack trace:
> java.lang.NullPointerException
>                 at 
> org.apache.logging.log4j.core.config.LoggerConfig.getLevel(LoggerConfig.java:268)
>                 at 
> org.apache.logging.log4j.core.Logger$PrivateConfig.<init>(Logger.java:384)
>                 at 
> org.apache.logging.log4j.core.Logger.updateConfiguration(Logger.java:365)
>                 at 
> org.apache.logging.log4j.core.LoggerContext.updateLoggers(LoggerContext.java:652)
>                 at 
> org.apache.logging.log4j.core.LoggerContext.updateLoggers(LoggerContext.java:641)
>                 at 
> org.apache.logging.log4j.core.config.Configurator.setLevel(Configurator.java:296)
>                 at 
> com.netbackup.logging.util.DebugLoggerFactory.getLogger(DebugLoggerFactory.java:346)
>                 at 
> com.netbackup.logging.util.DebugLoggerFactory.getLogger(DebugLoggerFactory.java:359)
>                 at 
> com.netbackup.logging.util.WebServiceLoggerFactory.getLogger(WebServiceLoggerFactory.java:14)
>                 at 
> com.netbackup.common.logging.LoggerFactory.getLogger(LoggerFactory.java:34)
>  
> Log4j code where the NPE occurs: (LoggerConfig.java)
>     /**
>      * Returns the logging Level.
>      *
>      * @return the logging Level.
>      */
>     public Level getLevel() {
>         return level == null ? parent.getLevel() : level;
>     }
> Inference is parent(LoggerConfig) itself was null. When can this situation 
> arise?



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