>From the error log，seems you are using cluster mode. And the error details are that the host parse failure between clusters causes the network can not be established.
Sheng Wu <[email protected]> 于2019年8月21日周三 下午4:13写道： > Hi > > You need to subscribe the mail list then send the mail > Also, the discussion is required in English according to Foundation > requirements for global people. > > > Sheng Wu 吴晟 > > Apache SkyWalking, Apache ShardingSphere(Incubating), Zipkin > Twitter, wusheng1108 > > > djyzhg <[email protected]> 于2019年8月21日周三 下午4:11写道： > > > 测试环境用了几天 skywalking服务端一直报这个错 > > > > > > 2019-08-21 16:05:03,916 - > > org.apache.skywalking.oap.server.core.remote.client.GRPCRemoteClient - > 192 > > [grpc-default-executor-10] ERROR [] - UNAVAILABLE: io exception > > io.grpc.StatusRuntimeException: UNAVAILABLE: io exception > > at io.grpc.Status.asRuntimeException(Status.java:526) > > ~[grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:434) > > [grpc-stub-1.15.1.jar:1.15.1] > > at > > > io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:678) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:403) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:459) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:546) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:467) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:584) > > [grpc-core-1.15.1.jar:1.15.1] > > at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) > > [grpc-core-1.15.1.jar:1.15.1] > > at > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > [?:1.8.0_51] > > at > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > [?:1.8.0_51] > > at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51] > > Caused by: java.net.UnknownHostException: ysskywalking8a99: > > ysskywalking8a99: unknown error > > at java.net.InetAddress.getLocalHost(InetAddress.java:1505) > > ~[?:1.8.0_51] > > at > > sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:647) > > ~[?:1.8.0_51] > > at io.netty.util.internal.SocketUtils$3.run(SocketUtils.java:83) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at io.netty.util.internal.SocketUtils$3.run(SocketUtils.java:80) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at java.security.AccessController.doPrivileged(Native Method) > > ~[?:1.8.0_51] > > at > io.netty.util.internal.SocketUtils.connect(SocketUtils.java:80) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.socket.nio.NioSocketChannel.doConnect(NioSocketChannel.java:310) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.connect(AbstractNioChannel.java:254) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.DefaultChannelPipeline$HeadContext.connect(DefaultChannelPipeline.java:1366) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.handler.codec.http2.Http2ConnectionHandler.connect(Http2ConnectionHandler.java:461) > > ~[netty-codec-http2-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.ChannelDuplexHandler.connect(ChannelDuplexHandler.java:50) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.grpc.netty.ProtocolNegotiators$AbstractBufferingHandler.connect(ProtocolNegotiators.java:466) > > ~[grpc-netty-1.15.1.jar:1.15.1] > > at > > > io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.access$1000(AbstractChannelHandlerContext.java:38) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext$11.run(AbstractChannelHandlerContext.java:535) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:464) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > ... 1 more > > Caused by: java.net.UnknownHostException: ysskywalking8a99: unknown error > > at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) > > ~[?:1.8.0_51] > > at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928) > > ~[?:1.8.0_51] > > at > > java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323) > > ~[?:1.8.0_51] > > at java.net.InetAddress.getLocalHost(InetAddress.java:1500) > > ~[?:1.8.0_51] > > at > > sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:647) > > ~[?:1.8.0_51] > > at io.netty.util.internal.SocketUtils$3.run(SocketUtils.java:83) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at io.netty.util.internal.SocketUtils$3.run(SocketUtils.java:80) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at java.security.AccessController.doPrivileged(Native Method) > > ~[?:1.8.0_51] > > at > io.netty.util.internal.SocketUtils.connect(SocketUtils.java:80) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.socket.nio.NioSocketChannel.doConnect(NioSocketChannel.java:310) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.connect(AbstractNioChannel.java:254) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.DefaultChannelPipeline$HeadContext.connect(DefaultChannelPipeline.java:1366) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.handler.codec.http2.Http2ConnectionHandler.connect(Http2ConnectionHandler.java:461) > > ~[netty-codec-http2-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:530) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.ChannelDuplexHandler.connect(ChannelDuplexHandler.java:50) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.grpc.netty.ProtocolNegotiators$AbstractBufferingHandler.connect(ProtocolNegotiators.java:466) > > ~[grpc-netty-1.15.1.jar:1.15.1] > > at > > > io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:545) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext.access$1000(AbstractChannelHandlerContext.java:38) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.channel.AbstractChannelHandlerContext$11.run(AbstractChannelHandlerContext.java:535) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:464) > > ~[netty-transport-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > > at > > > io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) > > ~[netty-common-4.1.27.Final.jar:4.1.27.Final] > -- Jian Tan Apache SkyWalking Committer && PMC, DaoCloud Labs Twitter, @tanjian2015
