在以下期间发生内部错误：“更新Maven项目”。不支持的IClasspathEntry种类= 4 [英] An internal error occurred during: "Updating Maven Project". Unsupported IClasspathEntry kind=4

问题描述

提到的标题我有以下问题：我使用 Eclipse 与 Maven自然，当我更新我的Maven Project，我得到这个错误：

在更新Maven项目期间发生内部错误。

不支持IClasspathEntry kind = 4

总是回来的解决方案如下：

• rightclick项目，删除maven自然


• mvn eclipse：clean （项目在eclipse / STS）


• （有时候他们建议做 mvn eclipse：eclipse next）


• rightclick项目和reenable maven自然

现在我详细尝试了所有的组合几次。但是我总是不断得到上面的错误。该错误开始发生，当我不得不 mvn eclipse：eclipse 项目。之前它总是运行良好只使用 m2eclipse 功能并设置eclipse中的所有内容。

解决方案

对我来说，做一些稍微不同的工作：

1. rightclick项目，删除maven自然（或者在更新的eclipse中，Maven->禁用Maven自然）


2. mvn eclipse：clean （在eclipse / STS中打开项目）


3. 删除eclipse中的项目（但不要删除源代码）


4. 导入现有的Maven项目

As the title mentioned I have the following problem: I use Eclipse with Maven Nature and when I update my Maven Project, I get this error:

An internal error occurred during: "Updating Maven Project".
Unsupported IClasspathEntry kind=4

The solution that always comes back is the following:

• rightclick project, remove maven nature
• mvn eclipse:clean (with project open in eclipse/STS)
• (sometimes they suggest to do mvn eclipse:eclipse next)
• rightclick project and reenable maven nature

Now I exhaustively tried all combinations several times. But I always keep getting the above error. The error starting occurring when I had to mvn eclipse:eclipse the project. Before it was always running fine using only m2eclipse features and setting everything in eclipse.

解决方案

I had to do it slightly different to work for me:

1. rightclick project, remove maven nature (or in newer eclipse, "Maven->Disable Maven Nature")
2. mvn eclipse:clean (with project open in eclipse/STS)
3. delete the project in eclipse (but do not delete the sources)
4. Import existing Maven project

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