由于对所需库的限制，课程上的访问限制 [英] Access restriction on class due to restriction on required library

问题描述

我在Eclipse中收到此错误消息：

I get this error message in Eclipse:

Access restriction: The type DirectoryWalker is not accessible
due to restriction on required library 
/Library/Java/Extensions/commons-io-1.4.jar

这个其他SO问题在同一主题，但似乎不适用于这种情况。我没有创建一个新的java类，我试图使用一个。

what does this mean? There's this other SO question on the same topic but it doesn't seem to apply in this case. I'm not creating a new java class, I'm trying to use one.

推荐答案

在猜测另一个库，你是使用也需要Apache Commons I / O，但是不同的版本。拥有一段代码（转移）可以访问相同软件包的两个版本有点棘手。你可以安排它，所以你的代码和其他库使用相同的版本。使用CLASSPATH更容易！ ：）

At a guess another library you are using also requires Apache Commons I/O, but a different version. Having a piece of code (transitively) have access to two versions of the same packages is a little tricky. You can probably arrange it so your code and the other library use the same version. It's all much easier with CLASSPATH! :)

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