Maven 找不到依赖项 [dependencyResolutionException]

Question

我在我的项目中添加了一个 Maven 依赖项，我的项目在本地编译，而它不在服务器上编译。它无法解析新添加的依赖项。

这是我的 pom.xml 文件:

    <repositories>
        <repository>
            <id>rep</id>
            <name>Repository</name>
            <url>http://artifacts.com/rep</url>
            <releases>
               <enabled>true</enabled>
               <updatePolicy>always</updatePolicy>
            </releases>
        </repository>
    </repositories>

    <dependencies>
        <dependency>
            <groupId>com.project.rest</groupId>
            <artifactId>common</artifactId>
            <version>2.0.5</version>
        </dependency>
    </dependencies>

这是我的控制台输出错误:

 Downloading: http://artifacts.com/rep/com/project/rest/common/2.0.5/common-2.0.5.pom
    [WARNING] The POM for com.project.rest:common:jar:2.0.5 is missing, no dependency information available

    [INFO] ------------------------------------------------------------------------
    [INFO] BUILD FAILURE
    [INFO] ------------------------------------------------------------------------
    [INFO] Total time: 6.154s
    [INFO] Finished at: Tue Feb 03 06:58:35 BRT 2015
    [INFO] Final Memory: 9M/152M
    [INFO] ------------------------------------------------------------------------
    [ERROR] Failed to execute goal on project server: Could not resolve dependencies for project org.server:
    server:jar:2.5.1-SNAPSHOT: The following artifacts could not be resolved: com.project.rest:common:jar:2.0.5:
    Could not find artifact com.project.rest:common:jar:2.0.5 in rep (http://artifacts.com/rep) -> [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/DependencyResolutionException

(我隐藏了所有真实的 URL 和包。)

可能是什么问题呢？

Answer 1

第一行“正在下载:...”仅表示 maven 尝试下载 Artifact 。这不是关于成功的声明。如果 maven 成功，您将获得另一行以“Downloaded: ...”开头的行

因此，在您的情况下，maven 无法下载该文件。检查浏览器中记录的 url 是否存在并且是否受到保护。

顺便说一句 <updatePolicy>always</updatePolicy>对于发行版存储库来说非常罕见，因为发行版不应再更改。