postgresqlejb-3.0sequenceejb-3.1postgresql-9.1

Exception: relation does not exist with postgresql table / sequence in ejb3


I am having error when I use ejb3 and Postgres to insert data. But using raw SQL it goes fine.

My table is:


CREATE SEQUENCE vmb_mails_seq;
CREATE TABLE vmb_mails ( ID BIGINT DEFAULT nextval('vmb_mails_seq') PRIMARY KEY, TITLE TEXT , FROM_ADDR VARCHAR(256), DATE_ARRIVED TIMESTAMP, BODY TEXT, ENT_BY NUMERIC(20,0), IS_DELETED NUMERIC(1,0), DELETE_DATE TIMESTAMP, MOD_BY NUMERIC(20,0), IS_ACTIVE NUMERIC(1,0), ENT_DATE TIMESTAMP, MOD_DATE TIMESTAMP, REACTIVE_DATE TIMESTAMP, INACTIVE_DATE TIMESTAMP ); ALTER SEQUENCE vmb_mails_seq OWNED BY vmb_mails.id;

ejb3 entity is:


@Entity
@Table(name="vmb_mails")
@SequenceGenerator(name="Mails_Seq_Gen",sequenceName="vmb_mails_seq",allocationSize=1)
public class Mail implements Serializable
{
    private long id;
    private String title;
    private String fromAddr;
    private Date dateArrived;
//  private Clob body;
    private String body;

    private long entBy;
    private int isDeleted;
    private Date deleteDate;
    private long modBy;
    private int isActive;   
    private Date entDate;
    private Date modDate;
    private Date reActiveDate;
    private Date inActiveDate;

    public Mail()
    {

    }
    @Id
    @GeneratedValue(strategy=GenerationType.SEQUENCE,generator="Mails_Seq_Gen")
    @Column(name="ID")
    public long getId() {
        return id;
    }
    public void setId(long id) {
        this.id = id;
    }
    @Column(name="TITLE")

    public String getTitle() {
        return title;
    }
    public void setTitle(String title) {
        this.title = title;
    }
    @Column(name="FROM_ADDR")

    public String getFromAddr() {
        return fromAddr;
    }
    public void setFromAddr(String fromAddr) {
        this.fromAddr = fromAddr;
    }
    @Column(name="DATE_ARRIVED")
    @Temporal(TemporalType.TIMESTAMP)
    public Date getDateArrived() {
        return dateArrived;
    }
    public void setDateArrived(Date dateArrived) {
        this.dateArrived = dateArrived;
    }
    @Column(name="BODY")
    public String getBody()
    {
        return body;
    }
    public void setBody(String body)
    {
        this.body = body;
    }
    /*public Clob getBody() {
        return body;
    }
    public void setBody(Clob body) {
        this.body = body;
    }*/
    @Column(name="ENT_BY")

    public long getEntBy() {
        return entBy;
    }
    public void setEntBy(long entBy) {
        this.entBy = entBy;
    }
    @Column(name="IS_DELETED")

    public int getIsDeleted() {
        return isDeleted;
    }
    public void setIsDeleted(int isDeleted) {
        this.isDeleted = isDeleted;
    }
    @Column(name="DELETE_DATE")
    @Temporal(TemporalType.TIMESTAMP)
    public Date getDeleteDate() {
        return deleteDate;
    }
    public void setDeleteDate(Date deleteDate) {
        this.deleteDate = deleteDate;
    }
    @Column(name="MOD_BY")

    public long getModBy() {
        return modBy;
    }
    public void setModBy(long modBy) {
        this.modBy = modBy;
    }
    @Column(name="IS_ACTIVE")

    public int getIsActive() {
        return isActive;
    }
    public void setIsActive(int isActive) {
        this.isActive = isActive;
    }
    @Column(name="ENT_DATE")
    @Temporal(TemporalType.TIMESTAMP)

    public Date getEntDate() {
        return entDate;
    }
    public void setEntDate(Date entDate) {
        this.entDate = entDate;
    }
    @Column(name="MOD_DATE")
    @Temporal(TemporalType.TIMESTAMP)

    public Date getModDate() {
        return modDate;
    }
    public void setModDate(Date modDate) {
        this.modDate = modDate;
    }
    @Column(name="REACTIVE_DATE")
    @Temporal(TemporalType.TIMESTAMP)

    public Date getReActiveDate() {
        return reActiveDate;
    }
    public void setReActiveDate(Date reActiveDate) {
        this.reActiveDate = reActiveDate;
    }
    @Temporal(TemporalType.TIMESTAMP)
    @Column(name="INACTIVE_DATE")

    public Date getInActiveDate() {
        return inActiveDate;
    }
    public void setInActiveDate(Date inActiveDate) {
        this.inActiveDate = inActiveDate;
    }

}

While calling entitmanager.persist(mail) I get this error:

at java.lang.Thread.run(Thread.java:662) Caused by: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.0.v20110604-r9504): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: org.postgresql.util.PSQLException: ERROR: relation "vmb_mails_seq" does not exist Position: 16 Error Code: 0 Call: select nextval('vmb_mails_seq') Query: ValueReadQuery(sql="select nextval('vmb_mails_seq')") at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:333) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:644)


Solution

  • You can simplify your DDL script with the use of a serial data type. bigserial in your case:

    CREATE TABLE vmb_mails (
      id bigserial PRIMARY KEY
    , title text,
      -- more columns
    );
    

    This creates a sequence named vmb_mails_id_seq automatically (in the same schema).
    Also note that sequences have separate privileges.

    GRANT INSERT ON vmb_mails TO ..
    

    Does not cover the sequence. Additionally you need:

    GRANT USAGE ON SEQUENCE vmb_mails_id_seq TO ..
    

    See:

    However, the error message says:

    relation "vmb_mails_seq" does not exist

    And that has some other cause. Did you actually check if the sequence is there? In the right database, at the right port, in the right schema?