我是一名有用的助手,可以为您翻译以下内容。这是关于编程的:
我刚接触docker,遇到了"Error: Unable to access jar file target/nbd.jar"问题。我的应用程序是一个使用Springboot制作的针对cassandra集群的CRUD api。我正在尝试执行docker-compose up
命令。每个cassandra节点都在运行,只有我的API出现问题。我认为问题出在Dockerfile上,但我不知道该如何解决。我尝试了不同的方法,但都没有奏效。
这是我的Dockerfile:
FROM maven:3.6.0-jdk-11-slim
ARG JAR_FILE
COPY target/${JAR_FILE} target/nbd.jar
ENTRYPOINT ["java","-jar","nbd.jar"]
我的文件系统(我只保留了docker和目标文件):
├── docker
│ ├── docker-compose.yaml
│ └── Dockerfile
(...)
├── src
│ ├── (...)
├── stop_all.sh
└── target
├── classes
│ (...)
├── generated-sources
│ └── annotations
├── generated-test-sources
│ └── test-annotations
├── nbd.jar
└── test-classes
我的pom.xml文件:
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.0.16.Final</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
<version>2.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.6</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-cassandra</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<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>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
(...)
</project>
谢谢!
JAR_FILE
传递了什么值? - vpalmerini