Mixing
String Column Data is getting persisted as Null from JPA
0
I'm using hibernate to persist an entity. But the data is getting persisted as null, even though when the entity contains the specified field value.
@RestController
@RequestMapping("example")
public class Controller {
@Autowired
EntityManager entityManager;
@RequestMapping("/getData")
@Transactional
public void getData() {
Members member = new Members();
member.firstName= "SRC";
member.lastName = "Code";
member.major = "Computer Science";
member.ID = 424;
entityManager.persist(member);
}
Members class
@Entity
@Table(name = "members")
public class Members {
@Id
public int ID;
public String major;
@Column(name = "firstName" , nullable = false)
@Length(min = 0, max =20)
public String firstName;
@Length(min = 0, max =20)
@Column(name = "lastName" , nullable = false)
public String lastName;
}
But the data in the database table is getting null values for firstName and LastName fields. But the ID and major is correctly persisted.
java hibernate jpa
asked Jan 2 at 14:57
Chandan S RChandan S R
64
add a comment |
0
I'm using hibernate to persist an entity. But the data is getting persisted as null, even though when the entity contains the specified field value.
@RestController
@RequestMapping("example")
public class Controller {
@Autowired
EntityManager entityManager;
@RequestMapping("/getData")
@Transactional
public void getData() {
Members member = new Members();
member.firstName= "SRC";
member.lastName = "Code";
member.major = "Computer Science";
member.ID = 424;
entityManager.persist(member);
}
Members class
@Entity
@Table(name = "members")
public class Members {
@Id
public int ID;
public String major;
@Column(name = "firstName" , nullable = false)
@Length(min = 0, max =20)
public String firstName;
@Length(min = 0, max =20)
@Column(name = "lastName" , nullable = false)
public String lastName;
}
But the data in the database table is getting null values for firstName and LastName fields. But the ID and major is correctly persisted.
java hibernate jpa
asked Jan 2 at 14:57
Chandan S RChandan S R
64
Do not use public member variables. Make themprivateand usegetterandsetter
– Jens
Jan 2 at 15:03
if something is persisted, then look in the log of your chosen JPA provider at the SQL invoked. aka "debugging"
– user3973283
Jan 2 at 15:05
Impossible to know what is wrong with the info provided, but some general remarks: 1) UseMemberas class name, notMembers2) Useidfor your primary key name in Java, notID3) Don't do database updates on a GET request
– Wim Deblauwe
Jan 2 at 17:14
@WimDeblauwe This was a sample code just to try out things. Used Members as class name , since the name of the table in my DB is members. Not sure why this is not working for 2 fields.
– Chandan S R
Jan 3 at 6:24
You might want to enable logging of Hibernate to get more information.
– Wim Deblauwe
Jan 3 at 6:26
add a comment |
0
0
0
I'm using hibernate to persist an entity. But the data is getting persisted as null, even though when the entity contains the specified field value.
@RestController
@RequestMapping("example")
public class Controller {
@Autowired
EntityManager entityManager;
@RequestMapping("/getData")
@Transactional
public void getData() {
Members member = new Members();
member.firstName= "SRC";
member.lastName = "Code";
member.major = "Computer Science";
member.ID = 424;
entityManager.persist(member);
}
Members class
@Entity
@Table(name = "members")
public class Members {
@Id
public int ID;
public String major;
@Column(name = "firstName" , nullable = false)
@Length(min = 0, max =20)
public String firstName;
@Length(min = 0, max =20)
@Column(name = "lastName" , nullable = false)
public String lastName;
}
But the data in the database table is getting null values for firstName and LastName fields. But the ID and major is correctly persisted.
java hibernate jpa
asked Jan 2 at 14:57
Chandan S RChandan S R
64
I'm using hibernate to persist an entity. But the data is getting persisted as null, even though when the entity contains the specified field value.
@RestController
@RequestMapping("example")
public class Controller {
@Autowired
EntityManager entityManager;
@RequestMapping("/getData")
@Transactional
public void getData() {
Members member = new Members();
member.firstName= "SRC";
member.lastName = "Code";
member.major = "Computer Science";
member.ID = 424;
entityManager.persist(member);
}
Members class
@Entity
@Table(name = "members")
public class Members {
@Id
public int ID;
public String major;
@Column(name = "firstName" , nullable = false)
@Length(min = 0, max =20)
public String firstName;
@Length(min = 0, max =20)
@Column(name = "lastName" , nullable = false)
public String lastName;
}
But the data in the database table is getting null values for firstName and LastName fields. But the ID and major is correctly persisted.
java hibernate jpa
java hibernate jpa
asked Jan 2 at 14:57
Chandan S RChandan S R
64
asked Jan 2 at 14:57
Chandan S RChandan S R
64
asked Jan 2 at 14:57
Chandan S RChandan S R
64
asked Jan 2 at 14:57
Chandan S RChandan S R
64
asked Jan 2 at 14:57
Chandan S RChandan S R
64
64
Do not use public member variables. Make themprivateand usegetterandsetter
– Jens
Jan 2 at 15:03
if something is persisted, then look in the log of your chosen JPA provider at the SQL invoked. aka "debugging"
– user3973283
Jan 2 at 15:05
Impossible to know what is wrong with the info provided, but some general remarks: 1) UseMemberas class name, notMembers2) Useidfor your primary key name in Java, notID3) Don't do database updates on a GET request
– Wim Deblauwe
Jan 2 at 17:14
@WimDeblauwe This was a sample code just to try out things. Used Members as class name , since the name of the table in my DB is members. Not sure why this is not working for 2 fields.
– Chandan S R
Jan 3 at 6:24
You might want to enable logging of Hibernate to get more information.
– Wim Deblauwe
Jan 3 at 6:26
add a comment |
Do not use public member variables. Make themprivateand usegetterandsetter
– Jens
Jan 2 at 15:03
if something is persisted, then look in the log of your chosen JPA provider at the SQL invoked. aka "debugging"
– user3973283
Jan 2 at 15:05
Impossible to know what is wrong with the info provided, but some general remarks: 1) UseMemberas class name, notMembers2) Useidfor your primary key name in Java, notID3) Don't do database updates on a GET request
– Wim Deblauwe
Jan 2 at 17:14
@WimDeblauwe This was a sample code just to try out things. Used Members as class name , since the name of the table in my DB is members. Not sure why this is not working for 2 fields.
– Chandan S R
Jan 3 at 6:24
You might want to enable logging of Hibernate to get more information.
– Wim Deblauwe
Jan 3 at 6:26
Do not use public member variables. Make them
private and use getter and setter– Jens
Jan 2 at 15:03
Do not use public member variables. Make them
private and use getter and setter– Jens
Jan 2 at 15:03
if something is persisted, then look in the log of your chosen JPA provider at the SQL invoked. aka "debugging"
– user3973283
Jan 2 at 15:05
if something is persisted, then look in the log of your chosen JPA provider at the SQL invoked. aka "debugging"
– user3973283
Jan 2 at 15:05
Impossible to know what is wrong with the info provided, but some general remarks: 1) Use
Member as class name, not Members 2) Use id for your primary key name in Java, not ID 3) Don't do database updates on a GET request– Wim Deblauwe
Jan 2 at 17:14
Impossible to know what is wrong with the info provided, but some general remarks: 1) Use
Member as class name, not Members 2) Use id for your primary key name in Java, not ID 3) Don't do database updates on a GET request– Wim Deblauwe
Jan 2 at 17:14
@WimDeblauwe This was a sample code just to try out things. Used Members as class name , since the name of the table in my DB is members. Not sure why this is not working for 2 fields.
– Chandan S R
Jan 3 at 6:24
@WimDeblauwe This was a sample code just to try out things. Used Members as class name , since the name of the table in my DB is members. Not sure why this is not working for 2 fields.
– Chandan S R
Jan 3 at 6:24
You might want to enable logging of Hibernate to get more information.
– Wim Deblauwe
Jan 3 at 6:26
You might want to enable logging of Hibernate to get more information.
– Wim Deblauwe
Jan 3 at 6:26
add a comment |
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Do not use public member variables. Make them
privateand usegetterandsetter– Jens
Jan 2 at 15:03
if something is persisted, then look in the log of your chosen JPA provider at the SQL invoked. aka "debugging"
– user3973283
Jan 2 at 15:05
Impossible to know what is wrong with the info provided, but some general remarks: 1) Use
Memberas class name, notMembers2) Useidfor your primary key name in Java, notID3) Don't do database updates on a GET request– Wim Deblauwe
Jan 2 at 17:14
@WimDeblauwe This was a sample code just to try out things. Used Members as class name , since the name of the table in my DB is members. Not sure why this is not working for 2 fields.
– Chandan S R
Jan 3 at 6:24
You might want to enable logging of Hibernate to get more information.
– Wim Deblauwe
Jan 3 at 6:26