NonUniqueObjectException (Hibernate Javadocs (hibernate-core))

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - jakarta.persistence.PersistenceException
      - org.hibernate.HibernateException
        
        org.hibernate.NonUniqueObjectException

All Implemented Interfaces:

Serializable
```
public class NonUniqueObjectException
extends HibernateException
```
This exception is thrown when an operation would break session-scoped identity. This occurs if the user tries to associate two different instances of the same Java class with a particular identifier, in the scope of a single Session.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`NonUniqueObjectException(Object entityId, String entityName)`	Constructs a `NonUniqueObjectException` using the given information, and using a standard message.
`NonUniqueObjectException(String message, Object entityId, String entityName)`	Constructs a `NonUniqueObjectException` using the given information.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

String getEntityName()

Object getIdentifier()

String getMessage()
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - NonUniqueObjectException
```
public NonUniqueObjectException(String message,
                                Object entityId,
                                String entityName)
```
    Constructs a NonUniqueObjectException using the given information.
    
    Parameters:
    
    message - A message explaining the exception condition
    
    entityId - The identifier of the entity
    
    entityName - The name of the entity
  - NonUniqueObjectException
```
public NonUniqueObjectException(Object entityId,
                                String entityName)
```
    Constructs a NonUniqueObjectException using the given information, and using a standard message.
    
    Parameters:
    
    entityId - The identifier of the entity
    
    entityName - The name of the entity
- Method Detail
  - getEntityName
```
public String getEntityName()
```
  - getIdentifier
```
public Object getIdentifier()
```
  - getMessage
```
public String getMessage()
```
    Overrides:
    
    getMessage in class Throwable