I am developing a Java EE 6 application with JBoss EAP 6.3.0 configured as an Eclipse server .
In the Package Explorer view, all projects are compiled.

But in the Servers view, error icons for the EJB and EAR modules are displayed.

The application is working fine.
Why do Eclipse servers display errors?
Where can I find more information about these errors?
(When you click on one of these modules, the problem view is empty)
Thanks in advance!
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