[jira] [Updated] (KARAF-5016) occasional NPE while running "log:tail" in Karaf console.

["Jean-Baptiste Onofré (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KARAF-5016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jean-Baptiste Onofré updated KARAF-5016:
----------------------------------------
    Fix Version/s: 4.1.1

> occasional NPE while running "log:tail" in Karaf console.
> ---------------------------------------------------------
>
>                 Key: KARAF-5016
>                 URL: https://issues.apache.org/jira/browse/KARAF-5016
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-core
>    Affects Versions: 4.1.0
>            Reporter: Richard Kosegi
>            Assignee: Jean-Baptiste Onofré
>            Priority: Trivial
>             Fix For: 4.1.1
>
>
> There is occasional NPE while running "log:tail" in Karaf console.
> This occurs few times per day, it has no real impact other then tailing of log is stopped (and must be restarted by CTRL+C, log:tail)
> Exception in thread "pool-51-thread-1" java.lang.NullPointerException
>     at org.apache.karaf.log.core.internal.layout.PatternParser$MDCPatternConverter.convert(PatternParser.java:551)
>     at org.apache.karaf.log.core.internal.layout.PatternConverter.format(PatternConverter.java:63)
>     at org.apache.karaf.log.core.internal.LogEventFormatterImpl.format(LogEventFormatterImpl.java:117)
>     at org.apache.karaf.log.command.DisplayLog.printEvent(DisplayLog.java:121)
>     at org.apache.karaf.log.command.DisplayLog.printEvent(DisplayLog.java:105)
>     at org.apache.karaf.log.command.LogTail$PrintEventThread.run(LogTail.java:113)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>     at java.lang.Thread.run(Thread.java:745)



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