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Editorial Team
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Asked: 2026-06-13T08:54:05+00:00

I’m using Eclipse and m2e to import a Maven project into Eclipse. The eclipse

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I’m using Eclipse and m2e to import a Maven project into Eclipse.

The eclipse documentation states the following about the .project file:

The purpose of this file is to make the project self-describing, 
so that a project that is zipped up or released to a server can be 
correctly recreated in another workspace.

However, the .project file does not contain no information about the imported Java files nor the pom.xml. It only contains some build commands and natures. Thus, I don’t understand how it makes the project self-describing.

It seems that each developer that downloads repository for the first time will need to import the Maven project inside Eclipse again. I’d like to have a meta file that contained at least the pom.xml path so that developers could have a ready environment after downloading the repository content and didn’t need to import the Maven project into Eclipse. Is that possible?

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1 Answer

  1. Editorial Team

    Technically speaking, Eclipse doesn’t know anything about maven. The .project file is Eclipse’s way of storing metadata about the project in a file that’s contained within the project (although nowadays some of that metadata has moved to the manifest.MF file). The .project file still contains information about natures (which are used by tools to identify which projects are of interest to the tools) and builders (which describe what tools to invoke as resources in the project are changed). In this way the .project makes the project self describing.

    Maven is a relative newcomer (albeit a stable and well-established one) to the Eclipse world. As you point out maven stores all of its project info in a pom.xml file. Maven fits itself into the Eclipse world by providing two actions, “Update Project Configuration” and “Update Project Dependencies”, that take the information in the pom.xml file and update the contents of the .project and .classpath files.

    So instead of manually editing the .project and .classpath files as you suggest, a developer only has to invoke those two functions after extracting an Eclipse project from a repository.

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