java - Log4j2 on Tomcat on Windows produces warning "unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream" -


i have web app deployed on tomcat 8. dev env eclipse (luna) on windows 7 x64. finished integrating log4j2 in code. when start tomcat, see following warning:

warn unable instantiate org.fusesource.jansi.windowsansioutputstream

i did extensive googling not see question related problem. did see class supposed add coloring log file. not interested in feature.

the log4j config follows 

<?xml version="1.0" encoding="utf-8"?> <configuration status="info">   <appenders>     <console name="console" target="system_out">       <patternlayout pattern="%d{hh:mm:ss.sss} [%t] %-5level %logger{36} - %msg%n"/>     </console>   </appenders>   <loggers>     <root level="trace">       <appenderref ref="console"/>     </root>   </loggers> </configuration>

ok, after diggind log4j2 code, found hidden runtime parameter needs specified:

-dlog4j.skipjansi=true

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