如何强制maven更新?

我将我已经工作的项目导入到另一台计算机上，它开始下载依赖项。

显然我的网络连接崩溃了，现在我得到了以下信息:

    >Build errors for comics; org.apache.maven.lifecycle.LifecycleExecutionException:
    Failed to execute goal on project comicsTest: Could not resolve dependencies for project comicsTest:comicsTest:war:0.0.1-SNAPSHOT:
    The following artifacts could not be resolved:
    org.springframework:spring-context:jar:3.0.5.RELEASE,
    org.hibernate:hibernate-entitymanager:jar:3.6.0.Final,
    org.hibernate:hibernate-core:jar:3.6.0.Final,
    org.hibernate:hibernate-commons-annotations:jar:3.2.0.Final,
    org.aspectj:aspectjweaver:jar:1.6.8,
    commons-lang:commons-lang:jar:2.5,

    >mysql:mysql-connector-java:jar:5.1.13: Failure to transfer org.springframework:spring-context:jar:3.0.5.RELEASE from http://repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced.

    >Original error: Could not transfer artifact org.springframework:spring-context:jar:3.0.5.RELEASE from central (http://repo1.maven.org/maven2): No response received after 60000

如何强制maven更新?

当前回答

mvn clean install -U

-U表示强制更新快照依赖项。

如果之前从未成功下载过发布依赖项，则将以这种方式更新。裁判:https://stackoverflow.com/a/29020990/32453

2012-03-14 08:06:29

其他回答

如果你不确定本地存储库中有什么，我建议使用以下选项启动构建:

-Dmaven.repo.local=localrepo

这样你就能确保在一个洁净的环境中建造。

2013-05-24 15:42:28

要从Eclipse中修复此问题:

1)在Maven pom.xml中添加以下依赖项，并保存pom.xml文件。

<!-- https://mvnrepository.com/artifact/com.thoughtworks.xstream/xstream -->
<dependency>
    <groupId>com.thoughtworks.xstream</groupId>
    <artifactId>xstream</artifactId>
    <version>1.3.1</version>
</dependency>

2)进入项目>> Maven >>更新项目

选择项目并单击OK。

3)可选步骤，如果到第2步还没有解决，在第1步之后再执行下一步骤

转到项目>> Maven >>更新项目>>检查复选框中的“强制更新快照/发布”

选择项目并单击OK。

2017-03-18 17:03:12

What maven does is, it downloads all your project's dependencies into your local repo (.m2 folder). Because of the internet causing issues with your local repo, you project is facing problems. I am not sure if this will surely help you or not but you can try deleting all the files within the repository folder inside the .m2 folder. Since there would be nothing in the local repo, maven would be forced to download the dependencies again, thus forcing an update. Generally, the .m2 folder is located at c:users:[username]:.m2

2019-04-17 17:12:47

我有同样的错误，运行mvn install -U，然后运行mvn install为我工作。

2016-03-10 19:10:11

-U用于强制更新maven Repo。使用

mvn -U clean install

2018-05-01 17:08:51

如何强制maven更新?

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