Le traitement de la demande a échoué; l'exception imbriquée est org.hibernate.type.SerializationException: impossible de désérialiser

Question

Ceci est ma classe de modèle. lors de la ruine de mon projet printanier, il a donné cette erreur Le traitement de la requête a échoué; L'exception imbriquée est org.hibernate.type.SerializationException: impossible de désérialiser. Je l'ai fait plusieurs solution, mais même erreur given.Is tout le monde peut trouver ce qui est la raison pour obtenir ce genre d'erreur ceci est ma classe modèle ...

> import java.io.Serializable; import java.util.Date; 
> 
> import javax.persistence.Basic; import javax.persistence.Column; 
> import javax.persistence.Entity; import javax.persistence.FetchType; 
> import javax.persistence.GeneratedValue; import 
> javax.persistence.GenerationType; import javax.persistence.Id; import 
> javax.persistence.JoinColumn; import javax.persistence.ManyToOne; 
> import javax.persistence.NamedQueries; import 
> javax.persistence.NamedQuery; import 
> javax.persistence.SequenceGenerator; import javax.persistence.Table; 
> import javax.persistence.Temporal; import 
> javax.persistence.TemporalType; import 
> javax.xml.bind.annotation.XmlRootElement; 
> 
> 
> @Entity @Table(name = "season_types" , schema = "unipointmain") 
> @XmlRootElement @NamedQueries({ 
>  @NamedQuery(name = "SeasonTypes.findAll", query = "SELECT s FROM SeasonTypes s"), 
>  @NamedQuery(name = "SeasonTypes.findBySeasonName", query = "SELECT s FROM SeasonTypes s WHERE s.seasonName = :seasonName"), 
>  @NamedQuery(name = "SeasonTypes.findBySeasonId", query = "SELECT s FROM SeasonTypes s WHERE s.seasonId = :seasonId"), 
>  @NamedQuery(name = "SeasonTypes.findByStartDate", query = "SELECT s FROM SeasonTypes s WHERE s.startDate = :startDate"), 
>  @NamedQuery(name = "SeasonTypes.findByEndDate", query = "SELECT s FROM SeasonTypes s WHERE s.endDate = :endDate"), 
>  @NamedQuery(name = "SeasonTypes.findByComment", query = "SELECT s FROM SeasonTypes s WHERE s.comment = :comment")}) public class 
> SeasonTypes implements Serializable { 
>  private static final long serialVersionUID = 1L; 
>  @Column(name = "season_name") 
>  private String seasonName; 
>  @Id // @SequenceGenerator(name="pk_sequence",sequenceName="unipointmain.season_types_pk_seq", 
> allocationSize=1) 
> // @GeneratedValue(strategy=GenerationType.SEQUENCE,generator="pk_sequence") 
>  @GeneratedValue(strategy = GenerationType.SEQUENCE, generator="season_types_pk_seq") 
>  @SequenceGenerator(name="season_types_pk_seq", sequenceName="unipointmain.season_types_pk_seq", allocationSize=1) 
>  @Column(name = "season_id") 
>  private Integer seasonId; 
>  
>  @Column(name = "merchant_ref_id")  private Merchant merchant; 
>  @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "merchant_ref_id") 
>  public Merchant getMerchant() {  return merchant; } public void setMerchant(Merchant merchant) {  this.merchant = merchant; } 
> 
> @Column(name = "start_date") 
>  private String startDate; 
>  @Column(name = "end_date") 
>  private String endDate; 
>  @Column(name = "comment") 
>  private String comment; 
>  @JoinColumn(name = "offer_id", referencedColumnName = "offerid") 
>  @ManyToOne 
>  private Offer offerId; 
>  
> 
>  public SeasonTypes() { 
>  } 
>  public SeasonTypes(Integer seasonId) { 
>  this.seasonId = seasonId; 
>  } 
> 
>  public String getSeasonName() { 
>   return seasonName; 
>  } 
> 
>  public void setSeasonName(String seasonName) { 
>   this.seasonName = seasonName; 
>  } 
> 
>  public Integer getSeasonId() { 
>   return seasonId; 
>  } 
> 
>  public void setSeasonId(Integer seasonId) { 
>   this.seasonId = seasonId; 
>  } 
> 
>  public String getStartDate() { 
>   return startDate; 
>  } 
> 
>  public void setStartDate(String startDate) { 
>   this.startDate = startDate; 
>  } 
> 
>  public String getEndDate() { 
>   return endDate; 
>  } 
> 
>  public void setEndDate(String endDate) { 
>   this.endDate = endDate; 
>  } 
> 
>  public String getComment() { 
>   return comment; 
>  } 
> 
>  public void setComment(String comment) { 
>   this.comment = comment; 
>  } 
> 
>  public Offer getOfferId() { 
>   return offerId; 
>  } 
> 
>  public void setOfferId(Offer offerId) { 
>   this.offerId = offerId; 
>  } 
> 
>  @Override 
>  public int hashCode() { 
>   int hash = 0; 
>   hash += (seasonId != null ? seasonId.hashCode() : 0); 
>   return hash; 
>  } 
> 
>  @Override 
>  public boolean equals(Object object) { 
>   // TODO: Warning - this method won't work in the case the id fields are not set 
>   if (!(object instanceof SeasonTypes)) { 
>    return false; 
>   } 
>   SeasonTypes other = (SeasonTypes) object; 
>   if ((this.seasonId == null && other.seasonId != null) || (this.seasonId != null && !this.seasonId.equals(other.seasonId))) { 
>    return false; 
>   } 
>   return true; 
>  } 
> 
>  @Override 
>  public String toString() { 
>   return "com.unipoint.test.SeasonTypes[ seasonId=" + seasonId + " ]"; 
>  } 
>  
>  } 

Answer 1

Votre classe doit être sérialisable, comme ainsi que toutes les classes qui sont données comme arguments à votre classe. Votre problème réside probablement Merchant ou Offer ne pas implémenter l'interface sérialisable.

Espérons que cela aide