• 阿里注册中心 Nacos 启动报错 Unable to start web server


    报错内容如下

    org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
            at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:156)
            at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544)
            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:483)
            at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
            at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
            at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
            at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:467)
    Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
            at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:124)
            at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86)
            at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:416)
            at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:180)
            at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180)
            at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153)
            ... 16 common frames omitted
    (spring cloud alibaba项目源码 from fhadmin.cn)

    因为如果直接在 bin 目录下用鼠标双击 startup.cmd 启动的话,默认的是以 cluster (集群) 的方式启动,直接启动第一个会报 Unable to start embedded Tomcat 错误,改成单机启动:

    用记事本打开 bin 目录下查看 startup.cmd

    @echo off
    rem Copyright 1999-2018 Alibaba Group Holding Ltd.
    rem Licensed under the Apache License, Version 2.0 (the "License");
    rem you may not use this file except in compliance with the License.
    rem You may obtain a copy of the License at
    rem
    rem      http://www.apache.org/licenses/LICENSE-2.0
    rem
    rem Unless required by applicable law or agreed to in writing, software
    rem distributed under the License is distributed on an "AS IS" BASIS,
    rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    rem See the License for the specific language governing permissions and
    rem limitations under the License.
    if not exist "%JAVA_HOME%\bin\java.exe" echo Please set the JAVA_HOME variable in your environment, We need java(x64)! jdk8 or later is better! & EXIT /B 1
    set "JAVA=%JAVA_HOME%\bin\java.exe"
     
    setlocal enabledelayedexpansion
     
    set BASE_DIR=%~dp0
    rem added double quotation marks to avoid the issue caused by the folder names containing spaces.
    rem removed the last 5 chars(which means \bin\) to get the base DIR.
    set BASE_DIR="%BASE_DIR:~0,-5%"
     
    set CUSTOM_SEARCH_LOCATIONS=file:%BASE_DIR%/conf/
     
    set MODE="standalone"
    set FUNCTION_MODE="all"
    set SERVER=nacos-server
    set MODE_INDEX=-1
    set FUNCTION_MODE_INDEX=-1
    set SERVER_INDEX=-1
    set EMBEDDED_STORAGE_INDEX=-1
    set EMBEDDED_STORAGE=""
     

    把 set MODE="cluster" 改为 set MODE="standalone" 即可

      ​-----------------------------------------------------------------自定义表单
    28. 定义模版:拖拽左侧表单元素到右侧区域,编辑表单元素,保存表单模版
    29. 表单模版:编辑维护表单模版,复制表单模版,修改模版类型,预览表单模版
    30. 我的表单:选择表单模版,编辑表单规则,是否上传图片、附件、开启富文本、挂靠流程开关等
    31. 表单数据:从我的表单进去可增删改查表单数据,修改表单规则
    32. 挂靠记录:记录表单数据和流程实例ID关联记录,可删除
  • 相关阅读:
    Spark SQL (一)
    hdu 3729 最大匹配
    1350 Taxi Cab Scheme DAG最小路径覆盖
    hdu 2768 Cat vs. Dog 最大独立集 巧妙的建图
    hdu 2444 The Accomodation of Students 判断是否构成二分图 + 最大匹配
    hdu1507 最大匹配
    二分图的最大独立集 最大匹配解题 Hopcroft-Karp算法
    有向无环图的最小路径覆盖 二分图模型解题
    二分图最小点覆盖
    hdu3488 / hdu3435 / hdu1853 最小费用最大流 圈 拆点
  • 原文地址:https://www.cnblogs.com/m13002622490/p/16351598.html
Copyright © 2020-2023  润新知