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404 The requested resource () is not available.

 
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采用hibernate anno 注解 时候出现这个问题,项目无法进入。

数据库:oracle11
jar: ojdbc6.jar

后来发现原因:
在bean的属性上有
          @Id
@GeneratedValue
(strategy=GenerationType.SEQUENCE,generator="SEQ_PAGE")
private Integer pid;


但是 在类头部并没有声明 SEQ_PAGE。

修复后的形式:

@Entity
@Table(name="t_page")
@SequenceGenerator(
name="SEQ_PAGE",//NO_001
sequenceName="SEQ_PAGE"//数据库中sequence名称
)
public class Page implements Serializable{

         @Id
@GeneratedValue
(strategy=GenerationType.SEQUENCE,
           generator="SEQ_PAGE"//NO_001处对应的名称
          )
private Integer pid;
。。。。。。。
}

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