spring-data

问题 This question regarding to Spring boot, Mongo4.0, Spring-data application. I have upgraded from MongoDB 3.6.x to MongoDB 4.0 and Spring data 2.0.x to Spring-data 2.1.0 for transactional management while inserting data into multiple documents. But here I face this issue while creating a database, collection and inserting a document into the collection. Issue Cannot create namespace sampledb_200.demo in multi-document transaction Here sampldb_200 is database name and demo is the collection name

问题 This question regarding to Spring boot, Mongo4.0, Spring-data application. I have upgraded from MongoDB 3.6.x to MongoDB 4.0 and Spring data 2.0.x to Spring-data 2.1.0 for transactional management while inserting data into multiple documents. But here I face this issue while creating a database, collection and inserting a document into the collection. Issue Cannot create namespace sampledb_200.demo in multi-document transaction Here sampldb_200 is database name and demo is the collection name

问题 I have an application with the following Spring dependencies: starterBase : 'org.springframework.boot:spring-boot-starter:2.2.1.RELEASE', starterActuator: 'org.springframework.boot:spring-boot-starter-actuator:2.2.1.RELEASE', starterJpa : 'org.springframework.boot:spring-boot-starter-data-jpa:2.2.1.RELEASE', starterTest : 'org.springframework.boot:spring-boot-starter-test:2.2.1.RELEASE', starterWeb : 'org.springframework.boot:spring-boot-starter-web:2.2.1.RELEASE', elasticsearch : 'org

问题 I have an application with the following Spring dependencies: starterBase : 'org.springframework.boot:spring-boot-starter:2.2.1.RELEASE', starterActuator: 'org.springframework.boot:spring-boot-starter-actuator:2.2.1.RELEASE', starterJpa : 'org.springframework.boot:spring-boot-starter-data-jpa:2.2.1.RELEASE', starterTest : 'org.springframework.boot:spring-boot-starter-test:2.2.1.RELEASE', starterWeb : 'org.springframework.boot:spring-boot-starter-web:2.2.1.RELEASE', elasticsearch : 'org

问题 I have an application with the following Spring dependencies: starterBase : 'org.springframework.boot:spring-boot-starter:2.2.1.RELEASE', starterActuator: 'org.springframework.boot:spring-boot-starter-actuator:2.2.1.RELEASE', starterJpa : 'org.springframework.boot:spring-boot-starter-data-jpa:2.2.1.RELEASE', starterTest : 'org.springframework.boot:spring-boot-starter-test:2.2.1.RELEASE', starterWeb : 'org.springframework.boot:spring-boot-starter-web:2.2.1.RELEASE', elasticsearch : 'org

问题 After switching from MySQL to PostgreSQL I found out that my SQL query (@Query in spring data repository interface) does not work anymore. The issue is caused by null value being sent as bytea and I'm getting following exception: Caused by: org.postgresql.util.PSQLException: ERROR: operator does not exist: bigint = bytea Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts. Repository with @Query: public interface WineRepository extends

问题 Now I have a class User, I get a request data of an array from the jsp or html . list this Integer[] arr=[5,6,9,10,62,52,21] and then I use two methods to finish bulking deleting action. @Transactional @Override public void deleteUser(Integer id) { oneRepository.delete(id); } @Transactional @Override public void deleteSomeUser(Integer[] ids) { for (Integer id : ids) { deleteUser(id); } } I want to know that if it's a more efficient method to finish this action. you can see my logs: it seems

问题 Now I have a class User, I get a request data of an array from the jsp or html . list this Integer[] arr=[5,6,9,10,62,52,21] and then I use two methods to finish bulking deleting action. @Transactional @Override public void deleteUser(Integer id) { oneRepository.delete(id); } @Transactional @Override public void deleteSomeUser(Integer[] ids) { for (Integer id : ids) { deleteUser(id); } } I want to know that if it's a more efficient method to finish this action. you can see my logs: it seems

问题 Now I have a class User, I get a request data of an array from the jsp or html . list this Integer[] arr=[5,6,9,10,62,52,21] and then I use two methods to finish bulking deleting action. @Transactional @Override public void deleteUser(Integer id) { oneRepository.delete(id); } @Transactional @Override public void deleteSomeUser(Integer[] ids) { for (Integer id : ids) { deleteUser(id); } } I want to know that if it's a more efficient method to finish this action. you can see my logs: it seems

问题 I am using spring with JPA and trying to execute query using @query with SQL query.and trying to map the result to an object. I have different entity class and mapping to other dto as I do not want all the columns. getting below error No converter found capable of converting from type [org.springframework.data.jpa.repository.query.AbstractJpaQuery$TupleConverter$TupleBackedMap] to type [webapi.dto.StatsDTO]", Below is my repository interface public interface UserRepository extends