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How to fix: Can't find Maven installation EMBEDDED in appengine-maven-plugin

If you encounter the following error:

[ERROR] Failed to execute goal com.google.appengine:appengine-maven-plugin:1.8.3:devserver (default-cli) on project mavengaetestproject: The plugin com.google.appengine:appengine-maven-plugin:1.8.3 requires Maven version 3.1.0 -> [Help 1]

Eclipse Kepler is running Maven 3.0.4 internally. On the Maven Installations configuration dialog it says “Note: Embedded runtime always used for dependency resolution…”.  Basically, by default, any Run As, Maven command is using Eclipse’s embedded Maven configuration.

This can be fixed by going into the Run As, Run Configurations… dialog and searching for DevAppServer, click on it. At the bottom there is a Maven Runtime combobox, select the external Maven entry.  Apply and then run.

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