Parent class without table, extended by two entities with different tables. Parent class mapped in different class with @OneToMany
I have three java classes: CommonBon
(parent class), Bon extends CommonBon
and BonHistory extends CommonBon
.
On database side there are two tables: Bon
and BonHistory
. They have different ids(BON_ID
and BON_HISTORY_ID
).
Parent class without table, extended by two entities with different tables. Parent class mapped in different class with @OneToMany
I have three java classes: CommonBon
(parent class), Bon extends CommonBon
and BonHistory extends CommonBon
.
On database side there are two tables: Bon
and BonHistory
. They have different ids(BON_ID
and BON_HISTORY_ID
).
Parent class without table, extended by two entities with different tables. Parent class mapped in different class with @OneToMany
I have three java classes: CommonBon
(parent class), Bon extends CommonBon
and BonHistory extends CommonBon
.
On database side there are two tables: Bon
and BonHistory
. They have different ids(BON_ID
and BON_HISTORY_ID
).
“Soft delete” in Hibernate with OneToOne mapping
I’m using a pattern called “soft delete”. Instesd of deleting entity I just mark it as deleted and prevent it from showing up in results of any query by adding @Where(clause = "rmv = false")
(rmv
is name of colum ind database where I store the flag).
Retrying after database error causes Hibernate exception
Under highly concurrent circumstances, the application trigger unique constraints while saving new data. So we have retry mechanism to fetch the data from DB again and if the data already present we will not save again.
But in the retry logic while trying to fetch data from postgresDB we are getting the following error:
upgrading ehcache to Jcache after changing with new hibernate version resulting in errors
I have the folowing hibernate (legacy (non-JPA)) dependencies defined while using Spring 5.X version
StackoverflowError: I have a loop, but I dont know where and why
I know I have anywhere a loop but I dont know where and why. I try to add trainers to my course (Kurs).
This is my code:
Caused by: org.hibernate.MappingException: Unknown entity: com.mycompany.schronisko.models.Adopter
I give you my code:
https://pastebin.com/Td18Ggyr`
ERD:before(https://i.sstatic.net/QsF6xAIn.png)
now:(https://i.sstatic.net/TOnLcMJj.png)
can someone please help in fixing the error : Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
The below is the stack trace :
What is the Alternative for this in hibernate 6.5.0
@Column(name = “CONTENT_TYPE”) @Type(type = “com.sp.ia.util.SPEnumType”, parameters = { @Parameter(name = “enum”, value = “com.sp.ia.modal.ContentType”)}) private ContentType contentType; Im getting The annotation @Type must define the attribute value and The attribute type is undefined for the annotation type Type.. Can Anyone help me to replace this in hibernate 6.5.0.. Thank you I want this to […]