For troubleshooting purposes, you can increase the logging level for an individual agent subsystem.

To increase the logging level for an individual agent subsystem, uncomment the appropriate line in the section of the agent.properties file that is labelled Agent Subsystems: Uncomment individual subsystems to see debug messages.

Agent log4j Properties

This is the log4j properties in the agent.properties file.

log4j.rootLogger=${agent.logLevel}, R

log4j.appender.R.File=${agent.logFile}
log4j.appender.R.MaxBackupIndex=1
log4j.appender.R.MaxFileSize=5000KB
log4j.appender.R.layout.ConversionPattern=%d{dd-MM-yyyy HH:mm:ss,SSS z} %-5p [%t] [%c{1}@%L] %m%n
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R=org.apache.log4j.RollingFileAppender

##
## Disable overly verbose logging 
##
log4j.logger.org.apache.http=ERROR
log4j.logger.org.springframework.web.client.RestTemplate=ERROR
log4j.logger.org.hyperic.hq.measurement.agent.server.SenderThread=INFO
log4j.logger.org.hyperic.hq.agent.server.AgentDListProvider=INFO
log4j.logger.org.hyperic.hq.agent.server.MeasurementSchedule=INFO
log4j.logger.org.hyperic.util.units=INFO
log4j.logger.org.hyperic.hq.product.pluginxml=INFO

# Only log errors from naming context
log4j.category.org.jnp.interfaces.NamingContext=ERROR
log4j.category.org.apache.axis=ERROR

#Agent Subsystems: Uncomment individual subsystems to see debug messages.
#-----------------------------------------------------------------------
#log4j.logger.org.hyperic.hq.autoinventory=DEBUG
#log4j.logger.org.hyperic.hq.livedata=DEBUG
#log4j.logger.org.hyperic.hq.measurement=DEBUG
#log4j.logger.org.hyperic.hq.control=DEBUG

#Agent Plugin Implementations 
#log4j.logger.org.hyperic.hq.product=DEBUG

#Server Communication 
#log4j.logger.org.hyperic.hq.bizapp.client.AgentCallbackClient=DEBUG

#Server Realtime commands dispatcher 
#log4j.logger.org.hyperic.hq.agent.server.CommandDispatcher=DEBUG 

#Agent Configuration parser
#log4j.logger.org.hyperic.hq.agent.AgentConfig=DEBUG

#Agent plugins loader 
#log4j.logger.org.hyperic.util.PluginLoader=DEBUG 

#Agent Metrics Scheduler (Scheduling tasks definitions & executions) 
#log4j.logger.org.hyperic.hq.agent.server.session.AgentSynchronizer.SchedulerThread=DEBUG 

#Agent Plugin Managers 
#log4j.logger.org.hyperic.hq.product.MeasurementPluginManager=DEBUG
#log4j.logger.org.hyperic.hq.product.AutoinventoryPluginManager=DEBUG
#log4j.logger.org.hyperic.hq.product.ConfigTrackPluginManager=DEBUG
#log4j.logger.org.hyperic.hq.product.LogTrackPluginManager=DEBUG
#log4j.logger.org.hyperic.hq.product.LiveDataPluginManager=DEBUG
#log4j.logger.org.hyperic.hq.product.ControlPluginManager=DEBUG