Spring data elasticsearch注解@Filed和@ManytoMany同时使用， 财富值70？

搜索结果返回值带@manytomany注解的属性(如：role、tags、users)都为null，代码如下:

package cn._1lift.edianti.domain.information; import cn._1lift.edianti.domain.AbstractAuditingEntity; import cn._1lift.edianti.domain.Role; import cn._1lift.edianti.domain.User; import cn._1lift.edianti.model.enums.InformationSource; import org.hibernate.annotations.CacheConcurrencyStrategy; import org.springframework.data.elasticsearch.annotations.Document; import org.springframework.data.elasticsearch.annotations.Field;优艾设计网_设计模板 import org.springframework.data.elasticsearch.annotations.FieldType; import org.springframework.data.elasticsearch.annotations.Setting; import javax.persistence.*; import java.util.Collection; import java.util.HashSet; import java.util.Set; /*** Created by Damon on 2016/10/26.* 咨询信息*/ @Entity @Table(name = "information") @org.hibernate.annotations.Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @Document(indexName = "information") @Setting(settingPath = "/settings.json") public class Information extends AbstractAuditingEntity{ @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @Column(name = "title") private String title; @Column(name = "content",nullable=false,columnDefinition="text") private String content; @ManyToOne @JoinColumn(name="type_id",insertable = false, updatable = false) private InformationType type; @Column(name = "type_id") private Long typeId; @ManyToMany @JoinTable( name = "information_tag", joinColumns = {@JoinColumn(name = "information_id", referencedColumnName = "id")}, inverseJoinColumns = {@JoinColumn(name = "tag_id", referencedColumnName = "id")}) //@org.hibernate.annotations.Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @Field(type = FieldType.Auto,store = true) private Set<InformationTag> tags = new HashSet<>(); public void setRoles(Collection<Role> roles) { this.roles = roles; } @ManyToMany @JoinTable( name = "information_role", joinColumns = {@JoinColumn(name = "information_id", referencedColumnName = "id")}, inverseJoinColumns = {@JoinColumn(name = "role_id", referencedColumnName = "id")}) @org.hibernate.annotations.Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @Field(type = FieldType.Nested,store = true) private Collection<Role> roles; //已读用户列表 @ManyToMany(fetch=FetchType.LAZY) @JoinTable( name = "information_Read", joinColumns = {@JoinColumn(name = "information_id", referencedColumnName = "id")}, inverseJoinColumns = {@JoinColumn(name = "user_id", referencedColumnName = "id")}) @org.hibernate.annotations.Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @Field(type = FieldType.Nested,store = true) private Set<User> users = new HashSet<>(); /*** 消息发布来源*/ @Column(name = "source") private InformationSource source; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getContent() { return content; } public void setContent(String content) { this.content = content; } public InformationType getType() { return type; } public void setType(InformationType type) { this.type = type; } public Set<InformationTag> getTags() { return tags; } public void setTags(Set<InformationTag> tags) { this.tags = tags; } public InformationSource getSource() { return source; } public void setSource(InformationSource source) { this.source = source; } public Long getTypeId() { return typeId; } public void setTypeId(Long typeId) { this.typeId = typeId; } public Collection<Role> getRoles() { return roles; } public void setRoles(Set<Role> roles) { this.roles = roles; } public Set<User> getUsers() { return users; } public void setUsers(Set<User> users) { this.users = users; } }