Eclipse 中的 Maven：子级的更改不会显示在父级的文件中
我在 eclipse (M2Eclipse) 中使用 Maven，并且我有一个多模块项目，我使用“作为 Maven 项目签出”将其带到我的工作区。
结构在 Eclipse 中似乎是扁平的，并且它有子项的重复项：父项在那里，所有子项都作为文件夹嵌套在其中（不显示子项内的包，因为包应该看起来像这样，但将它们作为嵌套的普通文件夹），此外，所有子项目都显示为父项目旁边的独立项目（在子项目下：包按其应有的方式显示，显示包图标，并且是点符号）。
因此，当我更改子项目中的文件时，父级子文件夹中的相应文件也会更改（我可以在 eclipse 中看到它们）。
它一直对我有用，我可以通过提交父项目来提交我的更改。
但是，突然就变了。我已经更改了子项目中的很多文件，但是这些更改不会显示在父项目中，并且我无法在一次提交中全部提交，我必须逐一提交每个子项目，这会增加大量提交并增加版本号是不必要的。 另外，这让我担心大会也不会采取最新的变化->不过我还没试过。
我将不胜感激任何帮助，我经常遇到 Maven 的问题！ 谢谢
I'm using maven in eclipse (M2Eclipse), and I have a multi-module project which I used 'checkout as a maven project' to bring it to my workspace.
The structure seems to be flat in eclipse and it has duplicate of children: parent is there with all the children nested in it as folders (doesn't show the packages inside children as a package should look like, but has them as nested ordinary folders), also, all the children show up as independent projects beside the parent (under the children projects: the packages are shown as they should, the package icon is shown and it is dot notation).
So, when I change a file in a child project, the corresponding file in the parent's subfolders also changes (I can see them both in eclipse).
It has always worked for me, and I could commit my changes by just committing the parent project.
But, it suddenly changed. I have changed a lot of files in children's projects, but the changes don't show in the parent's project and I cannot commit them all in one commit, I will have to commit each child one by one which adds a lot of commits and increases the version number unnecessarily.
Also, it makes me worried that the assembly will also not take the latest changes-> I haven't tried it though.
I will appreciate any help, I get stuck with problems with maven frequently!!
Thanks
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事情不会突然改变。您安装了任何新插件吗？检查您的安装历史记录。
您是否更改了首选项中的任何内容？全新安装 Eclipse 是否也会发生同样的情况？当您将首选项导入全新安装时，它会改变吗？
您使用哪种版本控制系统？
Things don't suddenly change. Did you install any new plug-ins? Check your install history.
Did you change anything in the preferences? Does the same happen with a fresh install of Eclipse? Does it change when you import the preferences into a clean install?
Which version control system do you use?
您是否在子模块项目上执行了 mvn install ？请尝试删除您的 m2 存储库目录。
问题似乎是 repo 目录中的 jar 子模块文件没有更新。
have you executed a mvn install on the sub-module projects? Please try to delete you m2 repository directory.
It'seems the problems is that the jars sub-modules files are not updated in the repo directory.