why JPA Diagram Editor does not open?

Question

i use eclipse kepler and download eclipseLink 2.5.0 and add to libraries. also download JPA Diagram Editor from Marketplace.

but, when right-click on JPA Content, no items is exist, and, when right-click on project and from "JPA Tools" menu click on "open diagram", no things is happened.

also, when in project's properties click on JPA Diagram Editor, show error.

Why?

Answer 1

If you update the plugins via 'Check for Updates' then you shouldn't have any issues.

Answer 2

Install "Dali Java Persistence Tools - JPA Diagram Editor" from

http://download.eclipse.org/releases/kepler