Java HotSpot ™ 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated
It may be a JDK version problem
jdk1.8 is OK
if you want to use a higher version, such as jdk11
Windows:
Modify bin\runserver.cmd
Linux:
Modify bin\runserver.sh
before modification:
set "JAVA_OPT=%JAVA_OPT% -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8 -XX:-UseParNewGC"
After modification:
set "JAVA_OPT=%JAVA_OPT% -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+CMSClassUnloadingEnabled -XX:SurvivorRatio=8"