I keep getting org.hibernate.AssertionFailure: null identifier when trying to create an object. My classes are as follows: public class User { @Id @Column(name = "user_id", nullable = false) p...

I have a Spring Boot App using an Oracle Data source that is freezing on startup. The last messages outputted on the console are: [2017-12-18T15:34:19,425] INFO org.hibernate.dialect.Dialect HHH00...

I have a Java Spring application with lots of queries, which so far have worked until spring boot 3.2.0. Recently, after simply changing to spring boot 3.2.1, I started getting this kind of error: ...

I have a Class: public class ProductComercialOrderDAO extends BaseDao implements ProductComercialOrderDAOLocal { private final static Logger log = UtilsBusiness.getLog4J(ProductComercialOrderDA...

By default, my Spring Boot project had JPA mapping entity properties to table columns by transforming the names from camelCase to snake_case (e.g. from fooBar to foo_bar). I'm working on an existi...

I want to log SQL statements to a file. I have the following properties in application.properties: spring.datasource.url=... spring.datasource.username=user spring.datasource.password=1234 spring.d...

My problem is as follows: When i create POST request in "Postman" app. This is what i try to POST {"name": "John Doe", "email":"[email protected]", "city": "London"} I am getting the foll...

Getting the following error when trying to run a spring mvc application with hibernate in eclipse. java.lang.NoClassDefFoundError: Could not initialize class net.sf.cglib.proxy.Enhancer org.spring...

I am writing a simple HQL to find out the employee who is having highest salary based on department. In the output I am expecting employee name, department name and highest salary. Here are my ent...

We have Spring-boot/Hibernate/PostgreSQL application in our project and use Hikari as the connection pool. We keep running into the following problem: after few hours active connections number grow...

I have the following entity: @Entity @Table(name = "campaign_content", uniqueConstraints = @UniqueConstraint(columnNames = { "campaignContentId", "campaignId", "fieldTag" })) public class Campaig...

I'm trying out IntelliJ IDEA and it's warning me of a Hibernate association that I don't quite understand. One Side: @Entity @Table(name = "MY_REQ_ASSIGNEE") public class MyRequestAssignee exten...

What's the use of @Embedded and @Embeddable In Hibernate ? Because every example i found on internet is inserting data inside of a single table and to do that using two different class. My point is...

When I compile my spring project, I got the following error. Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa...

I use code like to export JPA entities schema DDL : import org.hibernate.tool.hbm2ddl.SchemaExport; import org.hibernate.tool.hbm2ddl.SchemaUpdate; public class HibernateQueryGenerator { public s...

I have a problem with Hibernate. I try to parse to List but It throws an exception: HTTP Status 500 - could not extract ResultSet. When I debug, It fault at line query.list()... My sample code he...

I have a data table with columns setup and release, both of which hold timestamps. My goal is to create an equivalent of the SQL query below using CriteriaQuery. SQL Query:SELECT TIMESTAMPDIFF(SEC...

Getting this error when jpa tries to fetch the object from database. Error : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Handler dispatch failed; nest...

In the custom AuthenticationProvider from my spring project, I am trying read the list of authorities of the logged user, but I am facing the following error: org.hibernate.LazyInitializationExcep...

having more issues with seting up hibernate with spring3. this time it is saying that connection is nul as the dialect is not set which it is on my hibernate.cfg.xml file. here is the full excepti...

For instance if I do something like: Criteria c = session.createCriteria(Book.class) .add(Expression.ge("release",reDate); .add(Expression.ge("price",price); .addOrder( Order.asc("date") ) .se...

I am attempting to map the results of a Native query to a POJO using @SqlResultSetMapping with @ConstructorResult. Here is my code: @SqlResultSetMapping(name="foo", classes = { @ConstructorResul...

I am currently working through the example on scheduling tasks using Spring 4, Java 1.8, and Gradle (https://spring.io/guides/gs/scheduling-tasks/). However, when running this example, I receive t...

Hi I am working with saving Image into DB,I am Taking Image as Multipart and trying to convert into Blob type. I do this method: Blob blob=Hibernate.getLobCreator(sessionFactory.getCurrentSession(...

I have table product_spec_entry with following columns: product_spec_id commodity_spec_id for one product_spec_id may be several commodity_spec_id, for example: |product_spec_id | commodity_sp...