Hi Davis,
We have these values set correct in our Test boxes:
# Java Additional Parameters
#wrapper.java.additional.1=
wrapper.java.additional.1=-Djava.awt.headless=false
wrapper.java.additional.2=-XX:MaxPermSize=256m
wrapper.java.additional.3=-Dmail.mime.charset=UTF-8
wrapper.java.additional.4=-Dorg.owasp.esapi.resources=./config/esapi
wrapper.java.additional.5=-showversion
wrapper.java.additional.6=-XX:+UseConcMarkSweepGC
wrapper.java.additional.7=-XX:+UseParNewGC
wrapper.java.additional.8=-XX:CMSInitiatingOccupancyFraction=50
wrapper.java.additional.9=-Xss512k
wrapper.java.additional.10=-Dsearch.typeviewer.clamp.size=500
I will try to replicate these in other systems. As a workaround we are renaming the log directory and traces directory and restart the EM service, then we get rid of the issue for at least 3 months. Not sure how good is this workaround.