add -XX:-OmitStackTraceInFastThrow -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled
add -XX:-OmitStackTraceInFastThrow -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled

zstackio/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility