解决方法就是,在工程的.project文件中,加上如下配置,说明此项目是hibernate项目。

<buildCommand>

  <name>com.genuitec.eclipse.ast.deploy.core.DeploymentBuilder</name>

  <arguments>

  </arguments>

 </buildCommand>

 <buildCommand>

  <name>com.genuitec.eclipse.hibernate.HibernateBuilder</name>

  <arguments>

  </arguments>

</buildCommand>


<nature>org.eclipse.jdt.core.javanature</nature>

<nature>com.genuitec.eclipse.persistence.jpa.jpanature</nature>

<nature>com.genuitec.eclipse.hibernate.hibernatenature</nature>