JAVA_OPTS=" -ea -server -Xms3G -Xmx3G -Xmn2G -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=1 -XX:+HeapDumpOnOutOfMemoryError  -Djava.security.egd=file:/dev/./urandom"

加上最后一行即可