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

如果你正在使用eclipse IDE,那么:

选择项目。 按alt+F5,更新Maven项目窗口将弹出。 检查-强制更新快照/发布,单击“确定”。

如果使用Intellij IDE

进入settings/Maven 总是更新快照

其他回答

我在另一个上下文中得到了错误。 所以我的解决方案可能对其他遇到这个问题的人有用:

存在的问题: 我已将本地存储库复制到另一台计算机,该计算机没有连接到特殊存储库。 因此maven尝试对照无效的存储库检查工件。

我的解决方案: 删除_maven。库文件。

重要的是,使用-U和不使用-U运行mvn的主要区别是-U将用远程SNAPSHOT jar覆盖本地SNAPSHOT jar。

如果你的proj中有其他模块生成jar,则从本地mvn安装创建本地快照jar。

-U用于强制更新maven Repo。 使用

mvn -U clean install

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

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。