JPAとMySQLとのHibernateマッピング：フィールド 'descriptionstion'にデフォルト値がありません

Question

データベースに値を挿入しようとしたときに次の例外があります。 これは私の永続クラスである：

<pre> 
@SuppressWarnings("serial") 
@Entity 
@Table(name = "consumer", catalog = "oauth") 
@NamedQueries({ 
    @NamedQuery(name = Consumer.QUERY_BY_CONSUMER_KEY, query = "SELECT i FROM " + Consumer.TABLENAME + " i WHERE i.consumerKey = :" + Consumer.Q_PARAM_CONSUMER_KEY)}) 
public class Consumer implements java.io.Serializable { 

    public static final String TABLENAME = "Consumer"; 
    public static final String QUERY_BY_CONSUMER_KEY = "ConsumerFindByConsumerKey"; 
    public static final String Q_PARAM_CONSUMER_KEY = "consumer_key"; 
    @Id 
    @GeneratedValue(strategy = IDENTITY) 
    @Column(name = "id", unique = true, nullable = false) 
    private Integer id; 
    @ManyToOne 
    @JoinColumn(name = "user_id", nullable = false) 
    private Idpuser idpuser; 
    @Column(name = "description", nullable = false, length = 500) 
    private String description; 
    @Column(name = "consumer_key", nullable = false, length = 100) 
    private String consumerKey; 
    @Column(name = "consumer_secret", nullable = false, length = 100) 
    private String consumerSecret; 
    @Column(name = "callbackurl", nullable = false, length = 400) 
    private String callbackURL; 
    @Column(name = "request_token", length = 500) 
    private String requestToken; 
    @Column(name = "token_secret", length = 500) 
    private String tokenSecret; 
    @Column(name = "access_token", length = 500) 
    private String accessToken; 
    @Temporal(TemporalType.TIMESTAMP) 
    @Column(name = "acces_token_valid_from", length = 19) 
    private Date accesTokenValidFrom; 
    @Temporal(TemporalType.TIMESTAMP) 
    @Column(name = "access_token_valid_to", length = 19) 
    private Date accessTokenValidTo; 
    @Column(name = "access_token_num_usage_count") 
    private Integer accessTokenNumUsageCount; 
    @Column(name = "access_token_max_usage_count") 
    private Integer accessTokenMaxUsageCount; 
    @Column(name = "authorized", nullable = false) 
    private Boolean authorized; 
    @ManyToMany(fetch= FetchType.EAGER) 
    @JoinTable(name = "consumer_role_relation", 
    joinColumns = { 
     @JoinColumn(name = "consumer_id") 
    }, 
    inverseJoinColumns = { 
     @JoinColumn(name = "role_id") 
    } 
    ) 
    private Set<Role> roles = new HashSet<Role>(0); 

    @Column(name = "facebookId", unique = true) 
    private BigInteger facebookId; 


    protected Consumer() { 
    } 

    public Consumer(Idpuser idpuser, String describtion, String consumerKey, String consumerSecret, String callbackURL, 
      String requestToken, String tokenSecret, String accessToken, boolean authorized) { 
     this.idpuser = idpuser; 
     this.description = describtion; 
     this.consumerKey = consumerKey; 
     this.consumerSecret = consumerSecret; 
     this.callbackURL = callbackURL; 
     this.requestToken = requestToken; 
     this.tokenSecret = tokenSecret; 
     this.accessToken = accessToken; 
     this.authorized = authorized; 
    } 

    public Consumer(Idpuser idpuser, String describtion, String consumerKey, String consumerSecret, String callbackURL, 
      String requestToken, String tokenSecret, String accessToken, boolean authorized, 
      Date accesTokenValidFrom, Date accessTokenValidTo, int accessTokenMaxUsageCount) { 
     this.idpuser = idpuser; 
     this.description = describtion; 
     this.consumerKey = consumerKey; 
     this.consumerSecret = consumerSecret; 
     this.callbackURL = callbackURL; 
     this.requestToken = requestToken; 
     this.tokenSecret = tokenSecret; 
     this.accessToken = accessToken; 
     this.authorized = authorized; 
     this.accesTokenValidFrom = accesTokenValidFrom; 
     this.accessTokenValidTo = accessTokenValidTo; 
     this.accessTokenMaxUsageCount = accessTokenMaxUsageCount; 
    } 

    public Consumer(Idpuser idpuser, String describtion, String consumerKey, String consumerSecret, String callbackURL, 
      String requestToken, String tokenSecret, String accessToken, boolean authorized, 
      Date accesTokenValidFrom, Date accessTokenValidTo, int accessTokenMaxUsageCount, Set<Role> roles) { 
     this.idpuser = idpuser; 
     this.description = describtion; 
     this.consumerKey = consumerKey; 
     this.consumerSecret = consumerSecret; 
     this.callbackURL = callbackURL; 
     this.requestToken = requestToken; 
     this.tokenSecret = tokenSecret; 
     this.accessToken = accessToken; 
     this.authorized = authorized; 
     this.accesTokenValidFrom = accesTokenValidFrom; 
     this.accessTokenValidTo = accessTokenValidTo; 
     this.accessTokenMaxUsageCount = accessTokenMaxUsageCount; 
     this.roles = roles; 
    } 

    public Consumer(Idpuser idpuser, String describtion, String consumerKey, String consumerSecret, String callbackURL, 
      String requestToken, String tokenSecret, String accessToken, boolean authorized, 
      Date accesTokenValidFrom, Date accessTokenValidTo) { 
     this.idpuser = idpuser; 
     this.description = describtion; 
     this.consumerKey = consumerKey; 
     this.consumerSecret = consumerSecret; 
     this.callbackURL = callbackURL; 
     this.requestToken = requestToken; 
     this.tokenSecret = tokenSecret; 
     this.accessToken = accessToken; 
     this.authorized = authorized; 
     this.accesTokenValidFrom = accesTokenValidFrom; 
    } 


    public Consumer(Idpuser idpuser, String describtion, String consumerKey, String consumerSecret, String callbackURL, 
      String requestToken, String tokenSecret, String accessToken, boolean authorized, 
      Date accesTokenValidFrom, Date accessTokenValidTo, Set<Role> roles) { 
     this.idpuser = idpuser; 
     this.description = describtion; 
     this.consumerKey = consumerKey; 
     this.consumerSecret = consumerSecret; 
     this.callbackURL = callbackURL; 
     this.requestToken = requestToken; 
     this.tokenSecret = tokenSecret; 
     this.accessToken = accessToken; 
     this.authorized = authorized; 
     this.accesTokenValidFrom = accesTokenValidFrom; 
     this.roles = roles; 
    } 


    public Integer getId() { 
     return this.id; 
    } 

    public void setId(Integer id) { 
     this.id = id; 
    } 

    public Idpuser getIdpuser() { 
     return this.idpuser; 
    } 

    public void setIdpuser(Idpuser idpuser) { 
     this.idpuser = idpuser; 
    } 

    public String getDescription() { 
     return this.description; 
    } 

    public void setDescription(String description) { 
     this.description = description; 
    } 

    public String getConsumerKey() { 
     return this.consumerKey; 
    } 

    public void setConsumerKey(String consumerKey) { 
     this.consumerKey = consumerKey; 
    } 

    public String getConsumerSecret() { 
     return this.consumerSecret; 
    } 

    public void setConsumerSecret(String consumerSecret) { 
     this.consumerSecret = consumerSecret; 
    } 

    public String getCallbackURL() { 
     return callbackURL; 
    } 

    public void setCallbackURL(String callbackURL) { 
     this.callbackURL = callbackURL; 
    } 

    public Date getAccesTokenValidFrom() { 
     return accesTokenValidFrom; 
    } 

    public void setAccesTokenValidFrom(Date accesTokenValidFrom) { 
     this.accesTokenValidFrom = accesTokenValidFrom; 
    } 

    public String getAccessToken() { 
     return accessToken; 
    } 

    public void setAccessToken(String accessToken) { 
     this.accessToken = accessToken; 
    } 

    public Integer getAccessTokenMaxUsageCount() { 
     return accessTokenMaxUsageCount; 
    } 

    public void setAccessTokenMaxUsageCount(Integer accessTokenMaxUsageCount) { 
     this.accessTokenMaxUsageCount = accessTokenMaxUsageCount; 
    } 

    public Integer getAccessTokenNumUsageCount() { 
     return accessTokenNumUsageCount; 
    } 

    public void setAccessTokenNumUsageCount(Integer accessTokenNumUsageCount) { 
     this.accessTokenNumUsageCount = accessTokenNumUsageCount; 
    } 

    public Date getAccessTokenValidTo() { 
     return accessTokenValidTo; 
    } 

    public void setAccessTokenValidTo(Date accessTokenValidTo) { 
     this.accessTokenValidTo = accessTokenValidTo; 
    } 

    public Boolean getAuthorized() { 
     return authorized; 
    } 

    public void setAuthorized(Boolean authorized) { 
     this.authorized = authorized; 
    } 

    public String getRequestToken() { 
     return requestToken; 
    } 

    public void setRequestToken(String requestToken) { 
     this.requestToken = requestToken; 
    } 

    public String getTokenSecret() { 
     return tokenSecret; 
    } 

    public void setTokenSecret(String tokenSecret) { 
     this.tokenSecret = tokenSecret; 
    } 

    public Set<Role> getRoles(){ 
     return this.roles; 
    } 

    public void setRoles(Set<Role> roles){ 
     this.roles = roles; 
    } 

    public void addRole(Role r){ 
     this.roles.add(r); 
    } 

    public void removeRole(Role r){ 
     this.roles.remove(r); 
    } 

    @Override 
    public String toString(){ 
     return this.description; 
    } 



    /* (non-Javadoc) 
    * @see java.lang.Object#hashCode() 
    */ 
    @Override 
    public int hashCode() { 
     final int prime = 31; 
     int result = 1; 
     result = prime * result 
       + ((consumerSecret == null) ? 0 : consumerSecret.hashCode()); 
     return result; 
    } 

    /* (non-Javadoc) 
    * @see java.lang.Object#equals(java.lang.Object) 
    */ 
    @Override 
    public boolean equals(Object obj) { 
     if (this == obj) 
      return true; 
     if (obj == null) 
      return false; 
     if (getClass() != obj.getClass()) 
      return false; 
     Consumer other = (Consumer) obj; 
     if (consumerSecret == null) { 
      if (other.consumerSecret != null) 
       return false; 
     } else if (!consumerSecret.equals(other.consumerSecret)) 
      return false; 
     return true; 
    } 



    /* ###### Listener handling ########################### */ 
    @Transient 
    private CopyOnWriteArrayList<Object> listeners = new CopyOnWriteArrayList<Object>(); 

    public CopyOnWriteArrayList<Object> getListeners() { 
     return listeners; 
    } 

    public void setListeners(CopyOnWriteArrayList<Object> listeners) { 
     this.listeners = listeners; 
    } 

    public BigInteger getFacebookId() { 
     return facebookId; 
    } 

    public void setFacebookId(BigInteger facebookId) { 
     this.facebookId = facebookId; 
    }  
} 

</pre> 

例外：

<pre> 
Dez 03, 2011 12:58:21 PM org.hibernate.util.JDBCExceptionReporter logExceptions 
Warnung: SQL Error: 1364, SQLState: HY000 
Dez 03, 2011 12:58:21 PM org.hibernate.util.JDBCExceptionReporter logExceptions 
Schwerwiegend: Field 'describtion' doesn't have a default value 
Exception in thread "main" javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not insert: [org.idp.persistence.mappings.Consumer] 
    at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1214) 
    at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1147) 
    at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1153) 
    at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:695) 
    at org.idp.persistence.DataManager.saveOrUpdateEntity(DataManager.java:224) 
    at org.idp.persistence.DataManager.saveOrUpdate(DataManager.java:142) 
    at org.idp.persistence.mappings.Idpuser.addOrUpdateConsumer(Idpuser.java:259) 
    at org.idp.playground.ReadTest.main(ReadTest.java:40) 
</pre> 

私は、データベースからそれが仕事だ読み取ろう。私は別のテーブル（例えばIdpuser）にデータを挿入しようとしているときにも働いています。私はまた、溶液のアドバイスを、次の試してみましたよ：説明フィールドのための

• セットのデフォルト値をデータベースに
-

Answer 1

をあなたのテーブルには、（b付き）コラム「describtion」を持っているようです、エンティティは列 "description"（p）にマップされています。

マッピングがテーブルの列と一致していることを確認してください。