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java - 无法解决项目 Maven 的依赖关系

问题描述

我正在尝试运行使用 Java 和 Maven 的 GitHub 存储库，但在使用mvn clean install. 我会在 GitHub 线程（链接如下）中问这个问题，但作者没有回复之前的问题。当我运行命令时，我收到此错误：

Failed to execute goal on project tu: Could not resolve dependencies for project com.vaguehope.tu:tu:jar:1.1-SNAPSHOT: Failed to collect dependencies at args4j:args4j:jar:2.0.21: Failed to read artifact descriptor for args4j:args4j:jar:2.0.21: Could not transfer artifact args4j:args4j:pom:2.0.21 from/to maven-default-http-blocker (http://0.0.0.0/): Blocked mirror for repositories: [maven.jenkins-ci.org (http://maven.jenkins-ci.org/content/repositories/releases/, default, releases)] -> [Help 1]

这是pom文件：

<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.vaguehope.tu</groupId>
    <artifactId>tu</artifactId>
    <version>1.1-SNAPSHOT</version>
    <packaging>jar</packaging>
    <name>tu</name>

    <properties>
        <java.version>1.7</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <args4j.version>2.0.21</args4j.version>
        <commonsio.version>2.4</commonsio.version>
        <logback.version>1.0.9</logback.version>
        <slf4j.version>1.7.2</slf4j.version>
        <junit.version>4.11</junit.version>
        <hamcrest.version>1.3</hamcrest.version>
        <mockito.version>1.9.5</mockito.version>
        <powermock.version>1.5</powermock.version>
    </properties>

    <prerequisites>
        <maven>2.2.1</maven>
    </prerequisites>

    <build>
        <plugins>

            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <archive>
                        <manifest>
                            <mainClass>com.vaguehope.tu.Main</mainClass>
                        </manifest>
                    </archive>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
                <executions>
                    <execution>
                        <id>assembly</id>
                        <phase>install</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.0</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>

        </plugins>
    </build>

    <repositories>

        <repository>
            <id>maven.jenkins-ci.org</id>
            <url>http://maven.jenkins-ci.org/content/repositories/releases/</url>
            <layout>default</layout>
            <releases>
                <enabled>true</enabled>
                <checksumPolicy>fail</checksumPolicy>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>

    </repositories>

    <dependencies>

        <!-- CLI -->

        <dependency>
            <groupId>args4j</groupId>
            <artifactId>args4j</artifactId>
            <version>${args4j.version}</version>
        </dependency>

        <!-- Util -->

        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>${commonsio.version}</version>
        </dependency>

        <!-- Logging -->

        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>${logback.version}</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jul-to-slf4j</artifactId>
            <version>${slf4j.version}</version>
        </dependency>

        <!-- Testing. -->

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.hamcrest</groupId>
            <artifactId>hamcrest-library</artifactId>
            <version>${hamcrest.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
            <version>${mockito.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.powermock</groupId>
            <artifactId>powermock-module-junit4</artifactId>
            <version>${powermock.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.powermock</groupId>
            <artifactId>powermock-api-mockito</artifactId>
            <version>${powermock.version}</version>
            <scope>test</scope>
        </dependency>


    </dependencies>

</project>

这是原始的 GitHub 帖子：
https ://github.com/haku/tu

标签： javamaven

解决方案

问题是 HTTP 存储库在更改为 Maven后默认被阻止。Maven 开发人员正试图强迫人们使用 HTTPS。这发生在 4 年前最后一次触及该 repo 之后很长时间，这就是为什么原作者没有问题的原因。另请参阅： 如何禁用 Maven 阻止外部 HTTP 存储库？

看来 maven.jenkins-ci.org无论如何都不存在了。您可以通过将此版本从 2.0.21 升级到 2.0.22 来轻松删除对该存储库的整个依赖关系。后者存在于 Maven Central 中，而前者不存在 - 因此原作者需要添加单独的 repo 声明才能从其他地方获取它。

<args4j.version>2.0.22</args4j.version>

然后你可以删除整个<repositories>部分

<repositories>
    <repository>
        <id>maven.jenkins-ci.org</id>
        <url>http://maven.jenkins-ci.org/content/repositories/releases/</url>
        <layout>default</layout>
        <releases>
            <enabled>true</enabled>
            <checksumPolicy>fail</checksumPolicy>
        </releases>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>

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