mlz2780 2021-09-16 14:54 采纳率: 100%
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maven依赖包和tomcat自带的包冲突,加了exclusion标签后还是没用

今天用maven+springboot的时候,写了个helloWorld程序,结果遇到了依赖包冲突,然后百度上的解决冲突的方法都试过了(声明优先 ,exclusion标签,申明包的范围为provided),发现还是没用,求指点。

  1. pom.xml文件

    <?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>com.test</groupId>
  <artifactId>titan</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  <name>titan Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>
  
  <!--springboot 父依赖  -->
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.5.4</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent> 


  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

  <dependencies>
      <!-- Spring Boot web依赖 -->
      <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-web</artifactId>
      </dependency>
      <!-- Spring Boot 热部署 -->
      <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-devtools</artifactId>
      </dependency>
      <!-- resources目录加了properties文件后必须加上,不然项目报错 -->
      <dependency>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-resources-plugin</artifactId>
        <version>2.6</version>
    </dependency>
      **<!-- tomcat的支持 -->
      <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-tomcat</artifactId>
          <scope>provided</scope>
          <exclusions>
              <exclusion>
                  <groupId>org.apache.tomcat</groupId>
                  <artifactId>catalina</artifactId>
            </exclusion>          
          </exclusions>
      </dependency>
       <!-- 访问jsp页面必须配置 -->
      <dependency>
          <groupId>org.apache.tomcat.embed</groupId>
          <artifactId>tomcat-embed-jasper</artifactId>
      </dependency>**
      
    <!-- 调试单元 -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
      <!--如果项目名创建的不一样,都要改成你自己的 -->
    <finalName>titan</finalName>
    <plugins>
        <plugin>
            <!--springframework插件配置 -->
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
  </build>
  
</project>

2 报错的原因

2021-09-16 14:22:27.548  INFO 11476 --- [  restartedMain] com.dota2.rpg.titan.Test                 : Starting Test using Java 11.0.8 on DESKTOP-UCBBM4H with PID 11476 (F:\soft_mlz\titan\target\classes started by 39225 in F:\soft_mlz\titan)
2021-09-16 14:22:27.550  INFO 11476 --- [  restartedMain] com.dota2.rpg.titan.Test                 : No active profile set, falling back to default profiles: default
2021-09-16 14:22:27.582  INFO 11476 --- [  restartedMain] o.s.b.devtools.restart.ChangeableUrls    : The Class-Path manifest attribute in H:\Tomcat10\apache-tomcat-10.0.11\lib\jakartaee-migration-1.0.0-shaded.jar referenced one or more files that do not exist: file:/H:/Tomcat10/apache-tomcat-10.0.11/lib/null
2021-09-16 14:22:27.583  INFO 11476 --- [  restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2021-09-16 14:22:27.583  INFO 11476 --- [  restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2021-09-16 14:22:28.237  WARN 11476 --- [  restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is java.lang.NoSuchMethodError: org.apache.catalina.Context.addServletContainerInitializer(Ljavax/servlet/ServletContainerInitializer;Ljava/util/Set;)V
2021-09-16 14:22:28.243  INFO 11476 --- [  restartedMain] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021-09-16 14:22:28.254 ERROR 11476 --- [  restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:

An attempt was made to call a method that does not exist. The attempt was made from the following location:

    org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.configureContext(TomcatServletWebServerFactory.java:366)

The following method did not exist:

    org.apache.catalina.Context.addServletContainerInitializer(Ljavax/servlet/ServletContainerInitializer;Ljava/util/Set;)V

The method's class, org.apache.catalina.Context, is available from the following locations:

    jar:file:/H:/Tomcat10/apache-tomcat-10.0.11/lib/catalina.jar!/org/apache/catalina/Context.class
    jar:file:/C:/Users/39225/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.52/tomcat-embed-core-9.0.52.jar!/org/apache/catalina/Context.class

The class hierarchy was loaded from the following locations:

    org.apache.catalina.Context: file:/H:/Tomcat10/apache-tomcat-10.0.11/lib/catalina.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of org.apache.catalina.Context

  上面的错误显示调用的是tomcat自带的catalina包里面的context类,然而这个类并没有Context.addServletContainerInitializer方法,所以报错。理论上按照pom.xml配置应该调用的是我配置的embed/tomcat-embed-core这里面的Context类呀,最关键我都加了exclusion标签还是没用。

3 附上网上查到的catalina的id标签,表示应该不是我exclusion里面的id填错了,两种都有试过

img

img

4 终于找到原因了,原来是springboot和tomcat的版本不对应导致的,我原先下的springboot:2.5.4 tomcat:10.0.11,后面换成tomcat:9.0.53 springboot:2.3.12.RELEASE,然后就好了(吐血)
附上查到的springboot2.3.12对应的tomcat版本,目前貌似最高支持的是9.0系列,后面有个update version:10.0.11,没看懂怎么用

img

  • 写回答

2条回答 默认 最新

  • AMMOHERE 2021-09-16 15:11
    关注

    spring-boot-starter-web 里面有tomcat包

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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  • 系统已结题 9月26日
  • 已采纳回答 9月18日
  • 修改了问题 9月17日
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