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Spring启动报错-WebServerException: Unable to start embedded Tomcat

时间:2022-09-30 06:44:32浏览次数:61  
标签:WebServerException Tomcat spring boot springframework Unable 报错 org starter

今天在启动《Spring实战》的示例项目时,出现以下错误:

ERROR 21308 --- [  restartedMain] o.s.boot.SpringApplication               : Application run failed

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat

排错过程如下:

1.首先确认项目依赖pom.xml的配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
          http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>sia</groupId>
  <artifactId>taco-cloud</artifactId>
  <version>0.0.2-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>taco-cloud</name>
  <description>Taco Cloud Example</description>

  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.4.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent>

  <properties>
    <project.build.sourceEncoding>
        UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>
        UTF-8</project.reporting.outputEncoding>
    <java.version>1.8</java.version>
  </properties>

  <dependencies>
   <!-- tag::thymeleaf[] -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>
   <!-- end::thymeleaf[] -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>

   <!-- tag::devTools[] -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-devtools</artifactId>
      <scope>runtime</scope>
    </dependency>
   <!-- end::devTools[] -->

    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-java</artifactId>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>htmlunit-driver</artifactId>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>

    <dependency>
       <groupId>org.projectlombok</groupId>
       <artifactId>lombok</artifactId>
       <!-- <scope>compileOnly</scope> -->
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
        <version>2.0.4.RELEASE</version>
      </plugin>
    </plugins>
  </build>

</project>

包含有Tomcat的spring-boot-starter依赖已添加

spring-boot-starter-parent版本为2.0..4.RELEASE

2.确认project Structure

3.最后,确认configurations,发现问题

此处默认选择了别的工程对应的启动选项

修改为

与本工程对应后,再次启动,成功。

 

标签:WebServerException,Tomcat,spring,boot,springframework,Unable,报错,org,starter
From: https://www.cnblogs.com/fancy2022/p/16743657.html

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