You can install a plugin called m2e-subclipse for this, but it is not currently supported. You may need to create one yourself.
Link to m2cllipse-subclipse .
Alternatively, what I prefer to do is check out the project using TortoiseSVN (or a similar client for mac / linux). Subclipse will still understand that this is an SVN project, and I will use m2e to import the project (import an existing Maven project).
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