运行基于SpringBoot的docker镜像返回错误消息:jarfile /app.jar无效或损坏

时间:2015-12-09 03:23:04

标签: docker spring-boot

我按照Spring 官方教程https://spring.io/guides/gs/spring-boot-docker/)来构建基于springBoot的应用程序到docker镜像。 docker镜像已成功构建,但是当我想执行docker run命令来启动容器时,我收到以下错误消息:

Error: Invalid or corrupt jarfile /app.jar

并且包含者无法正常运行。

之前是否有人收到过相同的错误消息?我真的需要你的帮助。非常感谢你!

3 个答案:

答案 0 :(得分:7)

  

java aplication的结构

Demo
└── src
|    ├── main
|    │   ├── java
|    │   │   └── org
|    │   │       └── demo
|    │   │           └── Application.java
|    │   └── resources
|    │       └── application.properties
|    └── test
|         └── java
|               └── org
|                   └── demo
|                         └── Application.java  
├──── Dockerfile
├──── pom.xml
  

pom.xml的内容

<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>org.executablejar</groupId>
<artifactId>demo</artifactId>
<packaging>jar</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>demo Maven Webapp</name>
<url>http://maven.apache.org</url>

<properties>
    <java-version>1.8</java-version>
    <docker.image.prefix>springDemo</docker.image.prefix>
</properties>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.3.3.RELEASE</version>
</parent>

<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>
    </dependency>

    <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-jasper</artifactId>
    </dependency>

</dependencies>

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

  

Dockerfile的内容

FROM java:8
EXPOSE 8080
ADD /target/app.jar demo.jar
ENTRYPOINT ["java","-jar","demo.jar"]
  

构建和运行图像的命令

转到项目目录。让我们说D:/ Demo

$ cd D/demo
$ mvn clean install
$ docker build demo .
$ docker run -p 8080:8080 -t demo

答案 1 :(得分:3)

您必须将JAR_FILE构建arg添加到dockerfile-maven-plugin中,因为在春季教程提供的代码示例中缺少它:

<plugin>
   <groupId>com.spotify</groupId>
   <artifactId>dockerfile-maven-plugin</artifactId>
   <version>1.4.9</version>
   <configuration>
      <repository>${docker.image.prefix}/${project.artifactId}</repository>
      <buildArgs>
         <JAR_FILE>target/${project.build.finalName}.jar</JAR_FILE>
      </buildArgs>
   </configuration>
</plugin>

答案 2 :(得分:0)

我遇到了同样的问题,请在dockerFile中检查jar应用程序的名称