Unable to load the library 'netty_transport_native_epoll_x86_64', trying other loading mechanism.

[DongGuangHui0707]

系统：CentsOS 7,JDK8
描述：把jmqtt-distribution/target/jmqtt拷贝VM, 运行jmqtt-distribution/target/jmqtt/jmqttstart，出现以下异常，但是可以启动，请问怎么修改这个呢？在MAC中没有此异常。
Unable to load the library 'netty_transport_native_epoll_x86_64', trying other loading mechanism.
java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1122)
at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369)
at java.security.AccessController.doPrivileged(Native Method)
at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361)
at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339)
at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136)
at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:219)
at io.netty.channel.epoll.Native.(Native.java:57)
at io.netty.channel.epoll.Epoll.(Epoll.java:39)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at top.hserver.core.server.util.EpollUtil.check(EpollUtil.java:10)
at top.hserver.core.server.HServer.run(HServer.java:51)
at top.hserver.HServerApplication.startServer(HServerApplication.java:156)
at top.hserver.HServerApplication.run(HServerApplication.java:75)
at org.jmqtt.manage.HttpServer.start(HttpServer.java:17)
at org.jmqtt.broker.BrokerController.start(BrokerController.java:242)
at org.jmqtt.broker.BrokerStartup.start(BrokerStartup.java:62)
at org.jmqtt.broker.BrokerStartup.main(BrokerStartup.java:22)
2020-12-29 15:06:59.475 DEBUG PID:[ 30499] 线程名: [ main] i.n.util.internal.NativeLibraryLoader [ 140] : netty_transport_native_epoll_x86_64 cannot be loaded from java.library.path, now trying export to -Dio.netty.native.workdir: /tmp
java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1122)
at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349)
at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136)
at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:219)
at io.netty.channel.epoll.Native.(Native.java:57)
at io.netty.channel.epoll.Epoll.(Epoll.java:39)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at top.hserver.core.server.util.EpollUtil.check(EpollUtil.java:10)
at top.hserver.core.server.HServer.run(HServer.java:51)
at top.hserver.HServerApplication.startServer(HServerApplication.java:156)
at top.hserver.HServerApplication.run(HServerApplication.java:75)
at org.jmqtt.manage.HttpServer.start(HttpServer.java:17)
at org.jmqtt.broker.BrokerController.start(BrokerController.java:242)
at org.jmqtt.broker.BrokerStartup.start(BrokerStartup.java:62)
at org.jmqtt.broker.BrokerStartup.main(BrokerStartup.java:22)
Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1122)
at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369)
at java.security.AccessController.doPrivileged(Native Method)
at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361)
at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339)
... 14 common frames omitted
2020-12-29 15:06:59.483 DEBUG PID:[ 30499] 线程名: [ main] i.n.util.internal.NativeLibraryLoader [ 340] : Successfully loaded the library /tmp/libnetty_transport_native_epoll_x86_645207355296361753854.so
2020-12-29 15:06:59.492 INFO PID:[ 30499] 线程名: [ main] top.hserver.core.server.HServer [ 67] : HServer 启动完成