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From Guillaume Nodet <gno...@apache.org>
Subject Re: NPE while running "log:tail" from Karaf console
Date Tue, 07 Mar 2017 10:37:28 GMT
Could you raise a JIRA issue, that should be an easy fix.

2017-03-07 10:57 GMT+01:00 Richard Kosegi <richard.kosegi@gmail.com>:

> 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.
>



-- 
------------------------
Guillaume Nodet

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