錯誤，同時創建jpa表時創建新條目

即時通訊使用以下代碼插入數據到JPA和我得到錯誤，當我試圖做提交時，對象是與完整的數據，所以我不明白我失去了什麼這裏有什麼想法？錯誤，同時創建jpa表時創建新條目

entityManager.getTransaction().begin(); 
    entityManager.persist(object); 
    entityManager.getTransaction().commit();

實體這個樣子的所有的getter和setter

@Entity 
public class LeaveRequest { 

@Id 
@GeneratedValue(strategy = GenerationType.TABLE) 
private int id; 
private String type; 
private String from; 
private String to; 
private String length; 
private String state; 

public int getId() { 

    return id; 
}

錯誤是：

Internal Exception: java.sql.SQLSyntaxErrorException: Syntax error: Encountered "FROM" at line 1, column 31. 
Error Code: 20000 
Call: INSERT INTO LEAVEREQUEST (ID, FROM, LENGTH, STATE, TO, TYPE) VALUES (?, ?, ?, ?, ?, ?) 
    bind => [6 parameters bound] 
Query: InsertObjectQuery(LeaveRequest [id=1, type=VACATION, from=2012-12-27, to=2012-12-27, length=1 day, state=Rejected])

來源

2013-03-17 Jean Tennie