埋め込みTomcatを起動できません - 春のブート

私は春のブートに慣れていないので、春のデータレストの実行に問題があります。埋め込みTomcatを起動できません - 春のブート

私は、SpringブートでSpring Data RESTを使用してアプリケーションを構築したかったのです。

アムは、問題に直面して

Exception in thread "main" org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133) 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474) 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) 
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686) 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320) 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:957) 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:946) 
    at com.teamtreehouse.core.Application.main(Application.java:10) 
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:98) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.<init>(TomcatEmbeddedServletContainer.java:75) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:378) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:155) 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157) 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130) 
    ... 7 more 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardServer[-1]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.startup.Tomcat.start(Tomcat.java:342) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:88) 
    ... 12 more 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Tomcat]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:739) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 14 more 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 16 more 
Caused by: org.apache.catalina.LifecycleException: A child container failed during start 
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131) 
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 18 more 
2017-03-24 17:04:07.808 ERROR 8312 --- [   main] o.s.boot.SpringApplication    : Application startup failed 

org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133) 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474) 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) 
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686) 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320) 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:957) 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:946) 
    at com.teamtreehouse.core.Application.main(Application.java:10) 
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:98) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.<init>(TomcatEmbeddedServletContainer.java:75) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:378) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:155) 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157) 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130) 
    ... 7 common frames omitted 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardServer[-1]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.startup.Tomcat.start(Tomcat.java:342) 
    at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:88) 
    ... 12 common frames omitted 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Tomcat]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:739) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 14 common frames omitted 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 16 common frames omitted 
Caused by: org.apache.catalina.LifecycleException: A child container failed during start 
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131) 
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 18 common frames omitted

これが犯人である

<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/maven-v4_0_0.xsd"> 
    <modelVersion>4.0.0</modelVersion> 
    <groupId>com.team</groupId> 
    <artifactId>course-reviews-api</artifactId> 
    <version>0.0.1-SNAPSHOT</version> 
    <name>course-reviews-api Maven Webapp</name> 
    <url>http://maven.apache.org</url> 

    <properties> 
     <maven.compiler.source>1.8</maven.compiler.source> 
     <maven.compiler.target>1.8</maven.compiler.target> 
    </properties> 
    <dependencies> 
     <dependency> 
      <groupId>junit</groupId> 
      <artifactId>junit</artifactId> 
      <version>3.8.1</version> 
      <scope>test</scope> 
     </dependency> 
     <dependency> 
      <groupId>javax.servlet</groupId> 
      <artifactId>servlet-api</artifactId> 
      <version>2.5</version> 
     </dependency> 
     <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-data-rest --> 
     <dependency> 
      <groupId>org.springframework.boot</groupId> 
      <artifactId>spring-boot-starter-data-rest</artifactId> 
      </dependency> 
     <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-data-jpa --> 
     <dependency> 
      <groupId>org.springframework.boot</groupId> 
      <artifactId>spring-boot-starter-data-jpa</artifactId> 

     </dependency> 
     <dependency> 
      <groupId>com.h2database</groupId> 
      <artifactId>h2</artifactId> 

      <scope>runtime</scope> 
     </dependency> 
    </dependencies> 
    <dependencyManagement> 
     <dependencies> 
      <dependency> 
       <groupId>io.spring.platform</groupId> 
       <artifactId>platform-bom</artifactId> 
       <version>1.1.2.RELEASE</version> 
       <type>pom</type> 
       <scope>import</scope> 
      </dependency> 
     </dependencies> 
    </dependencyManagement> 
    <build> 
     <finalName>course-reviews-api</finalName> 

    <plugins> 
     <plugin> 
      <groupId>org.apache.maven.plugins</groupId> 
      <artifactId>maven-compiler-plugin</artifactId> 
      <version>3.1</version> 
      <configuration> 
       <source>1.8</source> 
       <target>1.8</target> 
      </configuration> 
     </plugin> 
    </plugins> 
</build> 

</project>

出典

2017-03-24 user1904357

Tomcatを起動できなかった理由を示した出力があったはずです。あなたのアプリケーションの開始からのすべての出力を共有できますか？また、Servlet 2.5の依存関係は必要ありませんし、問題を引き起こしている可能性があります。最後に、Spring IO Platform 1.1.2.RELEASEはかなり古くなっています。これは、ほぼ2歳のSpring Boot 1.2.3.RELEASEを含んでいます。あなたはそのような古いバージョンを使用する必要がありますか？ –

のpom.xml：

<dependency> 
    <groupId>javax.servlet</groupId> 
    <artifactId>servlet-api</artifactId> 
    <version>2.5</version> 
</dependency>

あなたはそれがと衝突としてあなたPOMからこれを削除する必要があります埋込みTomcatが使用する依存関係、つまりServlet 3.1

出典

2017-03-24 12:14:26 PaulNUK

-1

以下の親タグが見つかりませんでした。このバージョンの依存関係をロードします1.4.3.RELEASEとspring-boot-startter-parentは依存関係スタックを維持します。

<parent> 
    <groupId>org.springframework.boot</groupId> 
    <artifactId>spring-boot-starter-parent</artifactId> 
    <version>1.4.3.RELEASE</version> 
</parent> 

<properties> 
    ... 
</properties> 

<dependencies> 
    <dependency> 
     <groupId>org.springframework.boot</groupId> 
     <artifactId>spring-boot-starter-web</artifactId> 
    </dependency> 
    <dependency> 
     <groupId>org.springframework.data</groupId> 
     <artifactId>spring-data-rest-webmvc</artifactId> 
    </dependency> 
    <dependency> 
     <groupId>org.springframework.boot</groupId> 
     <artifactId>spring-boot-starter-data-jpa</artifactId> 
    </dependency> 
    <dependency> 
     <groupId>org.springframework.boot</groupId> 
     <artifactId>spring-boot-starter-data-rest</artifactId> 
    </dependency> 
    ..... 
</dependencies>

出典

2017-03-24 12:25:56

'spring-boot-starter-parent'を使う必要はありません。 'platform-bom'（SpringBootの依存関係管理のスーパーセットを提供する）のインポートはまた、依存関係スタックを維持します。 –

あなたは@AndyWilkinsonさん、私はservlet-apiの問題だと思います。 –

埋め込みTomcatを起動できません - 春のブート

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