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From Jean-Baptiste Onofré ...@nanthrax.net>
Subject Re: NPE while running "log:tail" from Karaf console
Date Tue, 07 Mar 2017 10:46:57 GMT
Hi,

thanks for the report, easy to fix. Can you create a Jira ?

Regards
JB

On 03/07/2017 10:57 AM, Richard Kosegi wrote:
> Hi Karaf folks,
>
> I'm experiencing occasional NPE while running "log:tail" in Karaf console.
>
> Karaf version : 4.1.0
>
> 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)
>
>
> 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)
>
> Google search didn;t yield anything related to this stacktrace.
> Does anyone experience similar problem?
>
> Thanks,
>
> Richard.
>

-- 
Jean-Baptiste Onofré
jbonofre@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com

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