Eugene Zimichev created LOG4J2-2365:
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             Summary: NameAbbreviator skips first fragments
                 Key: LOG4J2-2365
                 URL: https://issues.apache.org/jira/browse/LOG4J2-2365
             Project: Log4j 2
          Issue Type: Bug
          Components: Pattern Converters
    Affects Versions: 2.11.0
            Reporter: Eugene Zimichev


When I use LoggernPatternConverter in beginning of my layout it outputs as 
expected
{code:java}
<PatternLayout pattern="%c{1.1.*} %date{HH:mm:ss.SSS} %-5level %-25thread| 
%msg%n%xThrowable"/>{code}
{code:java}
c.k.zoo.CuratorEnsembleProvider 16:48:13.175 INFO main | Connecting to ensemble 
on [localhost]:8080{code}
 However when I move converter to the end of the layout it stops abbreviating 
logger name parts.
{code:java}
<PatternLayout pattern="%date{HH:mm:ss.SSS} %-5level %-25thread| %c{1.1.*} 
%msg%n%xThrowable"/>{code}
{code:java}
16:47:38.687 INFO main | com.kamagames.zoo.CuratorEnsembleProvider Connecting 
to ensemble on [localhost]:8080{code}
 

I believe it's caused by code in NameAbbreviator which stops processing first 
pattern fragments when abbreviated string length is larger than current 
position in StringBuilder

 
{code:java}
for (int i = 0; i < fragments.length - 1 && pos < original.length(); i++) {
 pos = fragments[i].abbreviate(sb, pos);
} {code}
 



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