The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:341) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2196) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2229) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2024) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:779) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:149) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:786) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:143) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:217) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:143) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:786) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:143) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1466) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1529) ~[druid-1.1.2.jar:1.1.2]
at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2185) ~[druid-1.1.2.jar:1.1.2]
Caused by: java.net.NoRouteToHostException: Can't assign requested address (Address not available)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_121]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_121]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_121]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_121]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_121]
at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_121]
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211) ~[mysql-connector-java-5.1.43.jar:5.1.43]
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:300) ~[mysql-connector-java-5.1.43.jar:5.1.43]
... 22 common frames omitted

server:
    port: 8801

#log
logging:
    level:
        cn:
            nutz: debug
            sayyoo: debug
        org:
            springframework:
                transaction: debug
                web: debug

#nutz dao
nutz:
    json:
        date-format: yyyy-MM-dd HH:mm:ss z
    dao:
        runtime:
          add-column: true
          check-index: true
          delete-column: true
          foce-create: false #此配置为true则每次均会删表重建
          create: true
          migration: true
          basepackage: cn.sayyoo
        sqlmanager:
          paths:
            - sqls
#spring
spring:
    datasource:
        druid:
            url: jdbc:mysql://127.0.0.1:3306/example?useUnicode=true&characterEncoding=UTF-8&useSSL=false
            username: root
            password: root
            driver-class-name: com.mysql.jdbc.Driver
            filter:
                config:
                    enabled: true
            filters: stat,wall
            initial-size: 5
            max-active: 20
            max-wait: 60000
            min-evictable-idle-time-millis: 300000
            min-idle: 5
            stat-view-servlet:
                enabled: true
                loginPassword: admin
                loginUsername: admin
                resetEnable: false
                urlPattern: /druid/*
            test-on-borrow: false
            test-on-return: false
            test-while-idle: true
            time-between-eviction-runs-millis: 60000
            validation-query: SELECT 'x'
            validation-query-timeout: 60000
            web-stat-filter:
                enabled: true
                exclusions: '*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*'
                principalCookieName: xxx.user
                principalSessionName: xxx.user
                profile-enable: false
                session-stat-enable: false
                session-stat-max-count: 1000
                url-pattern: /*
    output:
      ansi:
        enabled: always
    application:
      name: microservice-support-workflow

#swagger
swagger2:
  api-info: # API信息
    title: example # API标题
    description: spring boot example # API描述
    license: ponta # 许可证
    license-url: https://opensource.org/licenses/MIT # 许可证URl
    terms-of-service-url: http://www.swagger.io # 服务条款URL
    version: 1.0 # API版本
    contact: # 联系人信息
      email: 476828588@qq.com # 联系人邮箱
      name: ponta # 联系人姓名
      url: http://www.sayyoo.cn # 联系人URL
  base-package: cn.sayyoo # swagger解析包路径
  base-path: /** # swagger解析URL规则(ANT规则)
  exclude-path: /error/** # swagger排除解析URL规则(ANT规则)
  global-operation-parameter: # 全局参数配置,比如token 放在header中
    -
      name: token # 参数名称
      description: access token # 参数说明
      required: true # 是否必须
      model-ref: string # 参数数据类型
      paramType: header # 参数类型,可选 query, path, body, header, 详细查看swagger文档

eureka:
  client: # 客户端进行Eureka注册的配置
    service-url:
      defaultZone: http://localhost:8888/eureka
  instance:
    lease-renewal-interval-in-seconds: 2 # 设置心跳的时间间隔（默认是30秒）
    lease-expiration-duration-in-seconds: 5 # 如果现在超过了5秒的间隔（默认是90秒）
    instance-id: microservice-example-service1  # 在信息列表时显示主机名称
    prefer-ip-address: true     # 访问的路径变为IP地址

不久，几分钟吧，不超过一个小时