我在调试模式下运行corda OS v4.3，并观察到以下异常
[DEBUG] 2020-01-16T12:11:16,058Z [main] internal.NativeLibraryLoader. - netty_transport_native_epoll_x86_64 cannot be loaded from java.libary.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) ~[?:1.8.0_232]
at java.lang.Runtime.loadLibrary0(Runtime.java:870) ~[?:1.8.0_232]
at java.lang.System.loadLibrary(System.java:1122) ~[?:1.8.0_232]
at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) ~[netty-common-4.1.22.Final.jar:4.1.22.Final]
at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:243) ~[netty-common-4.1.22.Final.jar:4.1.22.Final]
at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:124) ~[netty-common-4.1.22.Final.jar:4.1.22.Final]
at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:183) ~[netty-transport-native-epoll-4.1.22.Final-linux-x86_64.jar:4.1.22.Final]
at io.netty.channel.epoll.Native.<clinit>(Native.java:61) ~[netty-transport-native-epoll-4.1.22.Final-linux-x86_64.jar:4.1.22.Final]
at io.netty.channel.epoll.Epoll.<clinit>(Epoll.java:33) ~[netty-transport-native-epoll-4.1.22.Final-linux-x86_64.jar:4.1.22.Final]
at org.apache.activemq.artemis.core.remoting.impl.netty.NettyAcceptor.start(NettyAcceptor.java:341) ~[artemis-server-2.6.2.jar:2.6.2]
at org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl.startAcceptors(RemotingServiceImpl.java:302) ~[artemis-server-2.6.2.jar:2.6.2]
at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.completeActivation(ActiveMQServerImpl.java:2464) ~[artemis-server-2.6.2.jar:2.6.2]
at org.apache.activemq.artemis.core.server.impl.LiveOnlyActivation.run(LiveOnlyActivation.java:74) ~[artemis-server-2.6.2.jar:2.6.2]
at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.internalStart(ActiveMQServerImpl.java:535) ~[artemis-server-2.6.2.jar:2.6.2]
at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.start(ActiveMQServerImpl.java:474) ~[artemis-server-2.6.2.jar:2.6.2]
at net.corda.node.services.messaging.ArtemisMessagingServer.configureAndStartServer(ArtemisMessagingServer.kt:104) ~[corda-node-4.3.jar:?]
at net.corda.node.services.messaging.ArtemisMessagingServer.start(ArtemisMessagingServer.kt:73) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.Node.startMessagingService(Node.kt:286) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.AbstractNode.start(AbstractNode.kt:380) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.Node.start(Node.kt:447) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartup.startNode(NodeStartup.kt:210) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartupCli$runProgram$2.run(NodeStartup.kt:131) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartup$initialiseAndRun$5.invoke(NodeStartup.kt:187) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartup$initialiseAndRun$5.invoke(NodeStartup.kt:138) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartupLogging$DefaultImpls.attempt(NodeStartup.kt:529) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartup.attempt(NodeStartup.kt:138) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartup.initialiseAndRun(NodeStartup.kt:186) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartupCli.runProgram(NodeStartup.kt:129) ~[corda-node-4.3.jar:?]
at net.corda.cliutils.CordaCliWrapper.call(CordaCliWrapper.kt:190) ~[corda-tools-cliutils-4.3.jar:?]
at net.corda.node.internal.NodeStartupCli.call(NodeStartup.kt:84) ~[corda-node-4.3.jar:?]
at net.corda.node.internal.NodeStartupCli.call(NodeStartup.kt:65) ~[corda-node-4.3.jar:?]
at picocli.CommandLine.execute(CommandLine.java:1173) ~[picocli-3.9.6.jar:3.9.6]
at picocli.CommandLine.access$800(CommandLine.java:141) ~[picocli-3.9.6.jar:3.9.6]
at picocli.CommandLine$RunLast.handle(CommandLine.java:1367) ~[picocli-3.9.6.jar:3.9.6]
at picocli.CommandLine$RunLast.handle(CommandLine.java:1335) ~[picocli-3.9.6.jar:3.9.6]
at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:1243) ~[picocli-3.9.6.jar:3.9.6]
at picocli.CommandLine.parseWithHandlers(CommandLine.java:1526) ~[picocli-3.9.6.jar:3.9.6]
at net.corda.cliutils.CordaCliWrapperKt.start(CordaCliWrapper.kt:73) ~[corda-tools-cliutils-4.3.jar:?]
at net.corda.node.Corda.main(Corda.kt:13) ~[corda-node-4.3.jar:?]
我相信这个异常可以忽略，因为它不会影响正常功能。 我在Oracle JDK(1.8.0_212(和openJDK-8中注意到了这一点。 可能是什么原因造成的？
似乎netty(Corda使用的Web框架：https://netty.io/(记录了如果在java路径中找不到netty_transport_native_epoll_x86_64堆栈跟踪。在这种情况下，似乎不一定是错误，并且超出了Corda的控制范围。
请参阅netty上的此问题：https://github.com/netty/netty/issues/7319