我的代码基于 this example，但是当我执行./mvnw软件包&& java -jar target / docker-demo-0.0.1.jar时，我收到了失败消息。 注意：当我将DockerDemoApplication.java作为Java应用程序运行时，它成功在端口9199上运行
非常感谢您的帮助。
lastErrorReportable一个简单的应用程序类。
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.6.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.desh.docker</groupId>
<artifactId>docker-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>docker-demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</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-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>
正在执行mvnw软件包&& java -jar target / docker-demo-0.0.1.jar，我正在关注。
package com.desh.docker.dockerdemo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@RestController
public class DockerDemoApplication {
@RequestMapping("/")
public String home() {
return "Hello Docker World";
}
public static void main(String[] args) {
SpringApplication.run(DockerDemoApplication.class, args);
}
}
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building docker-demo 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ docker-demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ docker-demo ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ docker-demo ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory C:\learning\projects\docker-demo\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.1:testCompile (default-testCompile) @ docker-demo ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ docker-demo ---
[INFO]
[INFO] --- maven-jar-plugin:3.1.2:jar (default-jar) @ docker-demo ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.651 s
[INFO] Finished at: 2019-11-13T00:27:54+05:30
[INFO] Final Memory: 24M/434M
[INFO] ------------------------------------------------------------------------
我尝试通过清理.m2 \ repository \ org \ apache \ maven中的文件夹或添加commons-io-1.3.2.zip \ org \ apache \ commons \ io \ output \ DeferredFileOutputStream.class来尝试帮助
application.properties：
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-jar-plugin:3.1.2:jar (default-
jar) on project docker-demo: Execution default-jar of goal org.apache.maven.plugins:maven-jar-
plugin:3.1.2:jar failed: A required class was missing while executing
org.apache.maven.plugins:maven-jar-plugin:3.1.2:jar:
org/apache/commons/io/output/DeferredFileOutputStream
[ERROR] -----------------------------------------------------
[ERROR] realm = plugin>org.apache.maven.plugins:maven-jar-plugin:3.1.2
[ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
[ERROR] urls[0] = file:/C:/Users/desh.deepak/.m2/repository/org/apache/maven/plugins/maven-jar-plugin/3.1.2/maven-jar-plugin-3.1.2.jar
[ERROR] urls[1] = file:/C:/Users/desh.deepak/.m2/repository/org/sonatype/sisu/sisu-inject-bean/1.4.2/sisu-inject-bean-1.4.2.jar
[ERROR] urls[2] = file:/C:/Users/desh.deepak/.m2/repository/org/sonatype/sisu/sisu-guice/2.1.7/sisu-guice-2.1.7-noaop.jar
[ERROR] urls[3] = file:/C:/Users/desh.deepak/.m2/repository/org/sonatype/aether/aether-util/1.7/aether-util-1.7.jar
[ERROR] urls[4] = file:/C:/Users/desh.deepak/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.14/plexus-interpolation-1.14.jar
[ERROR] urls[5] = file:/C:/Users/desh.deepak/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.7.1/plexus-component-annotations-1.7.1.jar
[ERROR] urls[6] = file:/C:/Users/desh.deepak/.m2/repository/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
[ERROR] urls[7] = file:/C:/Users/desh.deepak/.m2/repository/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar
[ERROR] urls[8] = file:/C:/Users/desh.deepak/.m2/repository/org/apache/maven/shared/file-management/3.0.0/file-management-3.0.0.jar
[ERROR] urls[9] = file:/C:/Users/desh.deepak/.m2/repository/org/apache/maven/shared/maven-shared-io/3.0.0/maven-shared-io-3.0.0.jar
[ERROR] urls[10] = file:/C:/Users/desh.deepak/.m2/repository/org/apache/maven/maven-archiver/3.4.0/maven-archiver-3.4.0.jar
[ERROR] urls[11] = file:/C:/Users/desh.deepak/.m2/repository/commons-io/commons-io/2.5/commons-io-2.5.jar
[ERROR] urls[12] = file:/C:/Users/desh.deepak/.m2/repository/org/apache/maven/shared/maven-shared-utils/3.2.1/maven-shared-utils-3.2.1.jar
[ERROR] urls[13] = file:/C:/Users/desh.deepak/.m2/repository/org/codehaus/plexus/plexus-archiver/4.1.0/plexus-archiver-4.1.0.jar
[ERROR] urls[14] = file:/C:/Users/desh.deepak/.m2/repository/org/codehaus/plexus/plexus-io/3.1.1/plexus-io-3.1.1.jar
[ERROR] urls[15] = file:/C:/Users/desh.deepak/.m2/repository/org/apache/commons/commons-compress/1.18/commons-compress-1.18.jar
[ERROR] urls[16] = file:/C:/Users/desh.deepak/.m2/repository/org/iq80/snappy/snappy/0.4/snappy-0.4.jar
[ERROR] urls[17] = file:/C:/Users/desh.deepak/.m2/repository/org/tukaani/xz/1.8/xz-1.8.jar
[ERROR] urls[18] = file:/C:/Users/desh.deepak/.m2/repository/org/codehaus/plexus/plexus-utils/3.2.0/plexus-utils-3.2.0.jar
[ERROR] Number of foreign imports: 1
[ERROR] import: Entry[import from realm ClassRealm[maven.api, parent: null]]
[ERROR]
[ERROR] -----------------------------------------------------: org.apache.commons.io.output.DeferredFileOutputStream
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginContainerException