在OpenJDK 11上启动firenio会提示这些警告, 好像是因为调用了非法的反射操作, 不过可以google到解决办法, 建议处理一下
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.firenio.common.Unsafe (file: firenio-all-1.3.3.jar) to field java.util.concurrent.atomic.AtomicLong.VM_SUPPORTS_LONG_CAS
WARNING: Please consider reporting this to the maintainers of com.firenio.common.Unsafe
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release