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No mapping for LONGVARCHAR in Hibernate 3.2


No mapping for LONGVARCHAR in Hibernate 3.2

By : Aleks Dogadaev
Date : October 24 2020, 11:12 AM
it should still fix some issue I am running Hibernate 3.2.0 with MySQL 5.1. After updating the group_concat_max_len in MySQL (because of a group_concat query that was exceeding the default value), I got the following exception when executing a SQLQuery with a group_concat clause: , Yes, two suggestions. Either:
code :


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Hibernate and @JoinFormula: org.hibernate.mapping.Formula cannot be cast to org.hibernate.mapping.Column

Hibernate and @JoinFormula: org.hibernate.mapping.Formula cannot be cast to org.hibernate.mapping.Column


By : sam
Date : March 29 2020, 07:55 AM
I hope this helps . Join formulas are very fragile in Hibernate for the time being; I always had a difficult time to get them work properly.
The workaround that helped me often was to create database views which exposed the proper columns (including foreign keys that don't exist in the original tables). Then I mapped the entities to the views using classing Hibernate/JPA mappings.
Hibernate mapping in Java: org.hibernate.MappingException: Repeated column in mapping for entity

Hibernate mapping in Java: org.hibernate.MappingException: Repeated column in mapping for entity


By : Jamie Beverly
Date : March 29 2020, 07:55 AM
I wish this helpful for you I try to gather statistics of visitors for two services. It consists of daily visitors statistics and overall record. Each service can be accessed by different names. For example, user, admin, support etc. Each will have its own record as own statistics. , It seems to me that
code :
@JoinColumn(name = "id", nullable = false)
public ServiceOne getService_one_id() {
    return service_one_id;
}
Longvarchar in Hibernate

Longvarchar in Hibernate


By : alisu245
Date : March 29 2020, 07:55 AM
To fix the issue you can do This is the property, , You can either modify the database:
code :
ALTER TABLE product MODIFY description VARCHAR(255);
@Lob
@Column(name = "description", columnDefinition = "LONGTEXT")
private String description;
Join table with Primary Key: org.hibernate.mapping.SimpleValue cannot be cast to org.hibernate.mapping.Component

Join table with Primary Key: org.hibernate.mapping.SimpleValue cannot be cast to org.hibernate.mapping.Component


By : Vit Elm
Date : March 29 2020, 07:55 AM
This might help you I think your problem in mapped by in Employee entity
can you please try using
proper hibernate mapping for @lob in Hibernate pojo. we are using hibernate mapping. can you please tell me equivalent f

proper hibernate mapping for @lob in Hibernate pojo. we are using hibernate mapping. can you please tell me equivalent f


By : Chris Lewis
Date : March 29 2020, 07:55 AM
wish of those help We are using hibernate mapping. In hibernate configuration file we have given type="blob" and pojo class getBlob and setBlob methods we have. Apart from this we need to have @lob right. what is equivalent for lob in hibernate mapping , In my model I'm using the following:
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