Recommended WRAPPER.CONF setting

GC LOG OPTIONS
wrapper.java.additional.100 = -XX:+PrintGCDetails
wrapper.java.additional.101 = -XX:+PrintGCDateStamps
wrapper.java.additional.102 = -XX:+UseGCLogFileRotation
wrapper.java.additional.103 = -XX:NumberOfGCLogFiles=10
wrapper.java.additional.104 = -XX:GCLogFileSize=10M
wrapper.java.additional.105 = -Xloggc:"%PIM_LOG4J_PATH%/gc_%t.log"

Set timeout in wrapper.conf to 120min to have enough time to get thread and heap dumps if needed.