Spring Boot - java.lang.ClassNotFoundException：org.springframework.context.ApplicationContextInitializer

Question

我想部署一个简单的Spring Boot web应用程序到Pivotal Cloud Foundry，但是当我执行一个cf push时，我在日志中看到下面的错误

java.lang.ClassNotFoundException: org.springframework.context.ApplicationContextInitializer 

这里是我的pom.xml

<parent> 
    <groupId>org.springframework.boot</groupId> 
    <artifactId>spring-boot-starter-parent</artifactId> 
    <version>1.4.0.BUILD-SNAPSHOT</version> 
    <relativePath /> <!-- lookup parent from repository --> 
</parent> 

<properties> 
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> 
    <java.version>1.7</java.version> 
</properties> 

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

    <dependency> 
     <groupId>org.springframework.boot</groupId> 
     <artifactId>spring-boot-starter-tomcat</artifactId> 
     <scope>provided</scope> 
    </dependency> 
    <dependency> 
     <groupId>org.springframework.boot</groupId> 
     <artifactId>spring-boot-starter-test</artifactId> 
     <scope>test</scope> 
    </dependency> 
    <dependency> 
     <groupId>org.springframework</groupId> 
     <artifactId>spring-webmvc-portlet</artifactId> 
    </dependency> 
</dependencies> 

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

<repositories> 
    <repository> 
     <id>spring-snapshots</id> 
     <name>Spring Snapshots</name> 
     <url>https://repo.spring.io/snapshot</url> 
     <snapshots> 
      <enabled>true</enabled> 
     </snapshots> 
    </repository> 
    <repository> 
     <id>spring-milestones</id> 
     <name>Spring Milestones</name> 
     <url>https://repo.spring.io/milestone</url> 
     <snapshots> 
      <enabled>false</enabled> 
     </snapshots> 
    </repository> 
</repositories> 
<pluginRepositories> 
    <pluginRepository> 
     <id>spring-snapshots</id> 
     <name>Spring Snapshots</name> 
     <url>https://repo.spring.io/snapshot</url> 
     <snapshots> 
      <enabled>true</enabled> 
     </snapshots> 
    </pluginRepository> 
    <pluginRepository> 
     <id>spring-milestones</id> 
     <name>Spring Milestones</name> 
     <url>https://repo.spring.io/milestone</url> 
     <snapshots> 
      <enabled>false</enabled> 
     </snapshots> 
    </pluginRepository> 
</pluginRepositories> 

相同的应用程序被部署在我的本地主机和我没有任何问题，建立了战争。对此有何想法？

Answer 1

由于SSL握手异常，似乎在jar版本期间没有下载jar。出于某种原因，尽管遗失了罐子，但我的构建并未失败。通过在mvn干净安装过程中启用调试发现此问题

Answer 2

由于Andy Wilkinson指出，这是Spring Boot 1.4和java_buildpack之间不匹配的问题。它可以通过明确提及java_buildpack的URL来解决：

$ cf push -b https://github.com/cloudfoundry/java-buildpack.git …