最近，在Jenkins中运行的Maven构建作业失败，出现以下异常，表示它们无法从Maven Central提取依赖项，应该使用HTTPS。我不知道如何将请求从HTTP更改为HTTPS。有人能指导我一下这件事吗?
[ERROR] Unresolveable build extension:
Plugin org.apache.maven.wagon:wagon-ssh:2.1 or one of its dependencies could not be resolved:
Failed to collect dependencies for org.apache.maven.wagon:wagon-ssh:jar:2.1 ():
Failed to read artifact descriptor for org.apache.maven.wagon:wagon-ssh:jar:2.1:
Could not transfer artifact org.apache.maven.wagon:wagon-ssh:pom:2.1 from/to central (http://repo.maven.apache.org/maven2):
Failed to transfer file: http://repo.maven.apache.org/maven2/org/apache/maven/wagon/wagon-ssh/2.1/wagon-ssh-2.1.pom.
Return code is: 501, ReasonPhrase:HTTPS Required. -> [Help 2]
Waiting for Jenkins to finish collecting data[ERROR]
Plugin org.apache.maven.plugins:maven-clean-plugin:2.4.1 or one of its dependencies could not be resolved:
Failed to read artifact descriptor for org.apache.maven.plugins:maven-clean-plugin:jar:2.4.1:
Could not transfer artifact org.apache.maven.plugins:maven-clean-plugin:pom:2.4.1 from/to central (http://repo.maven.apache.org/maven2):
Failed to transfer file: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.4.1/maven-clean-plugin-2.4.1.pom.
Return code is: 501 , ReasonPhrase:HTTPS Required. -> [Help 1]
我也面临着同样的问题。我尝试了两种解决方案，对我来说都很有效。
更新Maven版本存储库(Maven版本>= 3.2.3)
限制当前Maven版本使用HTTPS链接。
更新Maven版本存储库:
下载包含默认https地址的Apache Maven二进制文件(Apache Maven 3.6.3二进制文件)。在NetBeans菜单栏的工具(Java Maven对话框视图)中打开选项对话框窗口。并在Maven Home List Box (Maven Home List Box View)中选择browse选项。添加新下载的Apache Maven版本(Updated Maven Home List Box View)后，项目构建并成功运行。
限制当前Maven版本使用HTTPS链接:
在项目的pom.xml中包含以下代码。
<project>
...
<pluginRepositories>
<pluginRepository>
<id>central</id>
<name>Central Repository</name>
<url>https://repo.maven.apache.org/maven2</url>
<layout>default</layout>
<snapshots>
<enabled>false</enabled>
</snapshots>
<releases>
<updatePolicy>never</updatePolicy>
</releases>
</pluginRepository>
</pluginRepositories>
<repositories>
<repository>
<id>central</id>
<name>Central Repository</name>
<url>https://repo.maven.apache.org/maven2</url>
<layout>default</layout>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
</project>
错误:
传输文件失败:http://repo.maven.apache.org/maven2/org/apache/maven/wagon/wagon-ssh/2.1/wagon-ssh-2.1.pom。
返回代码是:501,ReasonPhrase:HTTPS Required。
根本原因分析:
Maven中心期望客户端使用https，但客户端只发出普通的HTTP请求。
因此，请求下载名为“wagon-ssh-2.1”的软件包。Pom’失败了。
如何解决这个问题?
替换URL“http://repo.maven.apache.org/maven2”
与“https://repo.maven.apache.org/maven2”
在pom.xml文件或构建。项目的Gradle文件。
正如在其他回答中所述，现在向Maven Central发出请求需要https，而旧版本的Maven使用http。
如果你不想/不能升级到Maven 3.2.3+，你可以通过添加以下代码到你的MAVEN_HOME\conf\settings.xml到<profiles>部分来解决:
<profile>
<id>maven-https</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<repositories>
<repository>
<id>central</id>
<url>https://repo1.maven.org/maven2</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>central</id>
<url>https://repo1.maven.org/maven2</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
</profile>
这将始终是一个活动设置，除非您在需要时在POM中禁用/覆盖它。
我也有同样的问题，但我用的是GitLab而不是Jenkins。我必须采取的步骤来克服这个问题:
My project is in GitLab so it uses the .yml file which points to a Docker image I have to do continuous integration, and the image it uses has the http://maven URLs. So I changed that to https://maven.
That same Dockerfile image had an older version of Maven 3.0.1 that gave me issues just overnight. I updated the Dockerfile to get the latest version 3.6.3
I then deployed that image to my online repository, and updated my Maven project ymlfile to use that new image.
And lastly, I updated my main projects POM file to reference https://maven... instead of http://maven
我意识到这更适合我的设置。但是如果不执行上述所有步骤，我仍然会继续得到这个错误消息
返回代码是:501,ReasonPhrase:HTTPS Required
