Leaked UDP ports using syslogApender

[akhettar <ay...@zotix.co>]

Hi 

Recently we started using MDCSiftingAppender to push logs into syslog and
we've noticed leaked UDP ports - see config set below. Here is a little bit
of context, we deploy around 20 bundles into apache Karaf and in one
occasion we've noticed around 26 thousands ports for syslog appender and
another same number for the file appender. It appears there is a UDP port
leak somehow but haven't figured out where in the code it's happening. 

I am not sure if this is the best forum to get help with this. Just
wondering if anyone experienced this, any direction to relevant forums would
be also helpful. 

Thanks 

Ayache 


snippet from org.ops4j.pax.logging.cfg

# Sift appender 
log4j.appender.sift=org.apache.log4j.sift.MDCSiftingAppender 
log4j.appender.sift.key=camel.breadcrumbId 
log4j.appender.sift.default=karaf 
log4j.appender.sift.appender=org.apache.log4j.RollingFileAppender 
log4j.appender.sift.appender.layout=org.apache.log4j.PatternLayout 
log4j.appender.sift.appender.layout.ConversionPattern=%d{ISO8601} | %-5.5p |
%X{camel.routeId} | %X{bundle.name} - %X{bundle.version} |
%X{camel.breadcrumbId} | %m%n 
log4j.appender.sift.appender.file=${karaf.data}/log/karaf.log 
log4j.appender.sift.appender.append=true 
log4j.appender.sift.appender.maxFileSize=10MB 
log4j.appender.sfit.appender.maxBackupIndex=10 

# Sift syslog appender - this is uncommented and adjust per environment 
log4j.appender.syslog=org.apache.log4j.sift.MDCSiftingAppender 
log4j.appender.syslog.key=camel.breadcrumbId 
log4j.appender.syslog.default=karaf 
log4j.appender.syslog.appender=org.apache.log4j.net.SyslogAppender 
log4j.appender.syslog.appender.Facility=local6 
log4j.appender.syslog.appender.SyslogHost=localhost:514 
log4j.appender.syslog.appender.Header=true 
log4j.appender.syslog.appender.threshold=INFO 
log4j.appender.syslog.appender.layout=org.apache.log4j.PatternLayout 
log4j.appender.syslog.appender.layout.ConversionPattern=%d{ISO8601} | %-5.5p
| %X{camel.routeId} | %X{bundle.name} - %X{bundle.version} |
%X{camel.breadcrumbId} | %m%n



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