When I run it works normally, but when I try to clean it and build it it has this error:
warning: Supported source version 'RELEASE_6' from annotation processor
'org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor' less than -source '1.7'
Note: Creating static metadata factory ...
Note: Optional file was not found: META-INF/orm.xml continuing with generation.
Note: Optional file was not found: META-INF/eclipselink-orm.xml continuing with generation.
Note: Hibernate JPA 2 Static-Metamodel Generator 4.3.1.Final
error: Problem with Filer: Attempt to recreate a file for type br.com.unuead.solicita.dominio.entidade.Servidor_
error: Problem with Filer: Attempt to recreate a file for type br.com.unuead.solicita.dominio.entidade.ConfiguraInscricao_
error: Problem with Filer: Attempt to recreate a file for type br.com.unuead.solicita.dominio.entidade.Usuario_
3 errors
1 warning