nacos2.0启动报错？？？

Question

下载nacos压缩包，然后启动改成单机模式，双击startup.cmd，启动不了，

报错：

2021-06-12 18:34:02,034 INFO Bean 'org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler@1fc32e4f' of type [org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)

2021-06-12 18:34:02,040 INFO Bean 'methodSecurityMetadataSource' of type [org.springframework.security.access.method.DelegatingMethodSecurityMetadataSource] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)

2021-06-12 18:34:03,820 INFO Tomcat initialized with port(s): 8848 (http)

2021-06-12 18:34:04,551 INFO Root WebApplicationContext: initialization completed in 13880 ms

2021-06-12 18:34:11,396 WARN Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'grpcSdkServer': Invocation of init method failed; nested exception is java.io.IOException: Failed to bind

2021-06-12 18:34:11,436 INFO Nacos Log files: F:\java\javaThink\nacos-server-2.0.0\logs

2021-06-12 18:34:11,436 INFO Nacos Log files: F:\java\javaThink\nacos-server-2.0.0\conf

2021-06-12 18:34:11,437 INFO Nacos Log files: F:\java\javaThink\nacos-server-2.0.0\data

2021-06-12 18:34:11,439 ERROR Startup errors : {}

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'grpcSdkServer': Invocation of init method failed; nested exception is java.io.IOException: Failed to bind
        at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:139)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:413)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1761)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:514)
        at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:321)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:319)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:866)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:312)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204)
        at com.alibaba.nacos.Nacos.main(Nacos.java:35)
        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 org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:107)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:467)
Caused by: java.io.IOException: Failed to bind
        at io.grpc.netty.shaded.io.grpc.netty.NettyServer.start(NettyServer.java:246)
        at io.grpc.internal.ServerImpl.start(ServerImpl.java:184)
        at io.grpc.internal.ServerImpl.start(ServerImpl.java:90)
        at com.alibaba.nacos.core.remote.grpc.BaseGrpcServer.startServer(BaseGrpcServer.java:145)
        at com.alibaba.nacos.core.remote.BaseRpcServer.start(BaseRpcServer.java:51)
        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 org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
        at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307)
        at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136)
        ... 26 common frames omitted
Caused by: java.net.BindException: Address already in use: bind
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:438)
        at sun.nio.ch.Net.bind(Net.java:430)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:225)
        at io.grpc.netty.shaded.io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:132)
        at io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:551)
        at io.grpc.netty.shaded.io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1345)
        at io.grpc.netty.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:503)

Answer 1

Caused by: java.net.BindException: Address already in use: bind

Address already in use: bind