英文:
Maven build failing due to unrecognized `--settings` option
问题
在我的使用Maven构建的Java项目中，我有一个名为.mvn的目录，其中包含一个maven.config文件。该文件的内容如下：
--settings ./.mvn/local-settings.xml
local-settings.xml文件包含了用于从私有仓库拉取代码的身份验证凭据。
这个设置一直运作正常，直到昨天。现在，CI构建（使用maven:3-amazoncorretto-17）失败，并显示以下错误消息：
无法解析maven.config文件选项：未识别的选项：--settings ./.mvn/local-settings.xml
我正在使用的maven镜像是否发生了破坏性的更改？
英文:
In my Java projects building with maven, I have a a .mvn directory that contains a maven.config file. Content of that file is as follows:
--settings ./.mvn/local-settings.xml
The local-settings.xml holds authentication credentials for pulling from a private registry.
This setup worked fine up until yesterday. Now, the CI build (using maven:3-amazoncorretto-17) is failing with the following error message:
Unable to parse maven.config file options: Unrecognized option: --settings ./.mvn/local-settings.xml
Has there been a breaking change in the maven image I am using for building?
答案1
得分: 34
自从引入了maven 3.9，就有一个重大变更影响了maven.config文件的解析：
https://maven.apache.org/docs/3.9.0/release-notes.html#potentially-breaking-core-changes
.mvn/maven.config中的每一行现在被解释为一个单独的参数。也就是说，如果文件包含多个参数，现在必须将它们放在不同的行上，参见MNG-7684。
正如评论中@khmarbaise所指出的，向maven.config添加一个换行符可以正常工作，甚至向下兼容。
--settings
./.mvn/local-settings.xml
**重要提示：**在--settings后面不能有空格。
英文:
With the introduction of maven 3.9, there was a BREAKING CHANGE that affects the parsing of the maven.config file:
https://maven.apache.org/docs/3.9.0/release-notes.html#potentially-breaking-core-changes
> Each line in .mvn/maven.config is now interpreted as a single argument. That is, if the file contains multiple arguments, these must now be placed on separate lines, see MNG-7684.
As pointed out by @khmarbaise in the comments, adding a newline in the maven.config works just fine and is even downwards compatible.
--settings
./.mvn/local-settings.xml
IMPORTANT NOTE: There must not be a whitespace after --settings
答案2
得分: 4
"-s./.mvn/settings.xml" 也可以工作，没有任何空格。
英文:
Also noticed that -s./.mvn/settings.xml works too without any space
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