解决微服务--Spring启动失败(nacos)

java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:148) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:264) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.common.remote.client.RpcClient.start(RpcClient.java:390) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.start(NamingGrpcClientProxy.java:96) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.(NamingGrpcClientProxy.java:89) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.client.naming.remote.NamingClientProxyDelegate.(NamingClientProxyDelegate.java:76) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.client.naming.NacosNamingService.init(NacosNamingService.java:95) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.client.naming.NacosNamingService.(NacosNamingService.java:81) ~[nacos-client-2.0.4.jar:na ]
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:na ]
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[na:na ]
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:na ]
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[na:na ]
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[na:na ]
at com.alibaba.nacos.api.naming.NamingFactory.createNamingService(NamingFactory.java:59) ~[nacos-client-2.0.4.jar:na ]
at com.alibaba.nacos.api.NacosFactory.createNamingService(NacosFactory.java:77) ~[nacos-client-2.0.4.jar:na ]

根据日志信息,Nacos客户端在连接Nacos服务器时出现了UNAVAILABLE: io exception的错误。

1.检查一下nginx有没有启动。

其他可能原因:

2.检查一下jdk版本是否一致

3.重新在虚拟机配置一下nacos,有时候可能因为虚拟机太慢使得连接服务starting。

单纯个人遇到的问题以及解决方法!!!

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