spring-data

Spring boot – Not a managed type

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I use Spring boot+JPA and having a problem while starting the service. Caused by: java.lang.IllegalArgumentException: Not an managed type: class com.nervytech.dialer.domain.PhoneSettings at org.hibernate.jpa.internal.metamodel.MetamodelImpl.managedType(MetamodelImpl.java:219) at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:68) at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getMetadata(JpaEntityInformationSupport.java:65) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:145) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:89) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:69) at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:177) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.initAndReturn(RepositoryFactoryBeanSupport.java:239) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:225) at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:92) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562) Here is the Application.java file, @Configuration @ComponentScan @EnableAutoConfiguration(exclude = { … Read more

How to add custom method to Spring Data JPA

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I am looking into Spring Data JPA. Consider the below example where I will get all the crud and finder functionality working by default and if I want to customize a finder then that can be also done easily in the interface itself. @Transactional(readOnly = true) public interface AccountRepository extends JpaRepository<Account, Long> { @Query(“<JPQ statement … Read more

What is this spring.jpa.open-in-view=true property in Spring Boot?

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I saw spring.jpa.open-in-view=true property in Spring Boot documentation for JPA configuration. Is the true default value for this property if it’s not provided at all?; What does this really do? I did not find any good explaining for it; Does it make you use SessionFactory instead of EntityManagerFactory? If yes, how can I tell it … Read more

Unable to find a @SpringBootConfiguration when doing a JpaTest

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I’m new to frameworks (just passed the class) and this is my first time using Spring Boot. I’m trying to run a simple Junit test to see if my CrudRepositories are indeed working. The error I keep getting is: Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=…) with your test java.lang.IllegalStateException … Read more

Spring Boot – Cannot determine embedded database driver class for database type NONE

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This is the error that is thrown when trying to run my web app: [INFO] WARNING: Nested in org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration’: Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private javax.sql.DataSource org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.dataSource; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘dataSource’ defined in class path … Read more

Spring CrudRepository findByInventoryIds(List inventoryIdList) – equivalent to IN clause

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In Spring CrudRepository, do we have support for “IN clause” for a field? ie something similar to the following? findByInventoryIds(List<Long> inventoryIdList) If such support is not available, what elegant options can be considered? Firing queries for each id may not be optimal. 3 Answers 3

How to use OrderBy with findAll in Spring Data

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I am using spring data and my DAO looks like public interface StudentDAO extends JpaRepository<StudentEntity, Integer> { public findAllOrderByIdAsc(); // I want to use some thing like this } In above code, commented line shows my intent. Can spring Data provides inbuilt functionality to use such a method to find all records order by some … Read more

What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?

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What is the difference between CrudRepository and JpaRepository interfaces in Spring Data JPA? When I see the examples on the web, I see them there used kind of interchangeably. What is the difference between them? Why would you want to use one over the other? 7 s 7 JpaRepository extends PagingAndSortingRepository which in turn extends … Read more