Ich versuche ein kleines Testprojekt zu erstellen, bei dem ich Nachrichten habe (Blog -Beiträge) und die Leute können auf sie reagieren. Ich wollte in der Lage sein, Artikel aus einer CSV-Datei zu laden, und es stellte sich heraus, dass es komplizierter war als ich erwartet hatte.
package com.cloakstudio.apiwyldernews.model;
import com.fasterxml.jackson.annotation.JsonManagedReference;
import jakarta.persistence.*;
import jakarta.validation.constraints.NotBlank;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import org.hibernate.validator.constraints.URL;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
@Getter
@Setter
@Entity
@Table(name = "News")
@NoArgsConstructor
@AllArgsConstructor
public class News {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@NotBlank(message = "Update type cannot be empty")
@Column(name = "update_type")
private String updateType;
@Column(name = "created_at")
private Date createdAt;
@NotBlank(message = "Title cannot be empty")
@Column(columnDefinition = "TEXT")
private String title;
@NotBlank(message = "Intro cannot be empty")
@Column(columnDefinition = "TEXT")
private String intro;
@NotBlank(message = "Thumbnail url cannot be empty")
@URL(message = "Thumbnail url must be a valid url")
@Column(name = "thumbnail_url")
private String thumbnailUrl;
@NotBlank(message = "Image url cannot be empty")
@URL(message = "Image url must be a valid url")
@Column(name = "image_url")
private String imageUrl;
@NotBlank(message = "Description cannot be empty")
@Column(columnDefinition = "TEXT")
private String description;
@Column(name = "news_id")
private Long newsId;
private int snaps;
private String location;
@JsonManagedReference
@OneToMany(mappedBy="news", cascade = CascadeType.ALL)
Set newsReactions;
public News(String updateType, String title, String intro, String thumbnailUrl, String imageUrl, String description, String location) {
this.updateType = updateType;
this.title = title;
this.intro = intro;
this.thumbnailUrl = thumbnailUrl;
this.imageUrl = imageUrl;
this.description = description;
this.location = location;
}
//...
}
< /code>
Und hier ist die CSV-Datei, die ich versuche, < /p>
zu importieren.id,updateType,createdAt,title,intro,thumbnailUrl,imageUrl,description,newsId,snaps,location
1,Guide,2025-03-18T09:03:59.046+00:00,How to do cool tricks,In this guide you will learn how to do cool tricks like import a csv file in java,https://media.fromsoftware.jp/eldenring/resources/images/movieandimages/screenshot/thumb/10.jpg,https://media.fromsoftware.jp/eldenring/resources/images/movieandimages/screenshot/4k/10.jpg,Importing a csv file is a very useful feature to test your application,0,0,My personal computer
< /code>
Hier ist die csvObjectloader-Klasse < /p>
package com.cloakstudio.apiwyldernews.loader;
import com.fasterxml.jackson.databind.MappingIterator;
import com.fasterxml.jackson.dataformat.csv.CsvMapper;
import com.fasterxml.jackson.dataformat.csv.CsvSchema;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Component;
import java.io.File;
import java.util.Collections;
import java.util.List;
@Component
public class CSVObjectLoader {
private static final Logger logger = LoggerFactory.getLogger(CSVObjectLoader.class);
public List loadObjectList(Class type, String filename) {
try {
// The schema is based on the first row
CsvSchema bootstrapSchema = CsvSchema.emptySchema().withHeader();
CsvMapper mapper = new CsvMapper();
// Get the file from the class path
File file = new ClassPathResource(filename).getFile();
// Read the values
MappingIterator readValues = mapper.reader(type).with(bootstrapSchema).readValues(file);
return readValues.readAll();
} catch(Exception e) {
logger.error("An error has occurred while trying to read the following file : " + filename, e);
return Collections.emptyList();
}
}
}
< /code>
Initiale Dataloader-Klasse < /pbr /> package com.cloakstudio.apiwyldernews.loader;
import com.cloakstudio.apiwyldernews.model.News;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.List;
@Component
public class InitialDataLoader {
@Autowired
CSVObjectLoader csvObjectLoader;
String NEWS_FILE = "newsList.csv";
public List getNews() {
return csvObjectLoader.loadObjectList(News.class, NEWS_FILE);
}
}
< /code>
initiadatasetupService-Klasse < /p>
package com.cloakstudio.apiwyldernews.loader;
import com.cloakstudio.apiwyldernews.model.News;
import com.cloakstudio.apiwyldernews.repository.NewsRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class InitialDataSetupService {
@Autowired
NewsRepository newsRepository;
public void setupNews(News news) {
if(!newsRepository.existsById(news.getId())) {
newsRepository.save(news);
}
}
}
< /code>
initiadatasetup-Klasse < /p>
package com.cloakstudio.apiwyldernews.loader;
import com.cloakstudio.apiwyldernews.model.News;
import jakarta.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.Date;
import java.util.List;
@Component
public class InitialDataSetup {
@Autowired
InitialDataLoader initialDataLoader;
@Autowired
InitialDataSetupService initialDataSetupService;
@PostConstruct
private void setupData() {
setupInitialData();
}
public void setupInitialData() {
List newsList = initialDataLoader.getNews();
for(News news : newsList) {
initialDataSetupService.setupNews(news);
}
}
}
< /code>
und ich erhalte den folgenden Fehler in der Konsole: < /p>
2025-03-21T09:23:30.786+01:00 ERROR 14519 --- [apiwyldernews] [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'initialDataSetup': Invocation of init method failed
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:222) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:423) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:601) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:523) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:346) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1155) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1121) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1056) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.3.jar:6.2.3]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.3.jar:6.2.3]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1361) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1350) ~[spring-boot-3.4.3.jar:3.4.3]
at com.cloakstudio.apiwyldernews.ApiwyldernewsApplication.main(ApiwyldernewsApplication.java:10) ~[classes/:na]
Caused by: org.springframework.orm.ObjectOptimisticLockingFailureException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.cloakstudio.apiwyldernews.model.News#1]
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:325) ~[spring-orm-6.2.3.jar:6.2.3]
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:244) ~[spring-orm-6.2.3.jar:6.2.3]
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:560) ~[spring-orm-6.2.3.jar:6.2.3]
at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61) ~[spring-tx-6.2.3.jar:6.2.3]
at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:343) ~[spring-tx-6.2.3.jar:6.2.3]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:160) ~[spring-tx-6.2.3.jar:6.2.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165) ~[spring-data-jpa-3.4.3.jar:3.4.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223) ~[spring-aop-6.2.3.jar:6.2.3]
at jdk.proxy2/jdk.proxy2.$Proxy144.save(Unknown Source) ~[na:na]
at com.cloakstudio.apiwyldernews.loader.InitialDataSetupService.setupNews(InitialDataSetupService.java:27) ~[classes/:na]
at com.cloakstudio.apiwyldernews.loader.InitialDataSetup.setupInitialData(InitialDataSetup.java:35) ~[classes/:na]
at com.cloakstudio.apiwyldernews.loader.InitialDataSetup.setupData(InitialDataSetup.java:22) ~[classes/:na]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMethod.invoke(InitDestroyAnnotationBeanPostProcessor.java:457) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:401) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:219) ~[spring-beans-6.2.3.jar:6.2.3]
... 20 common frames omitted
Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.cloakstudio.apiwyldernews.model.News#1]
at org.hibernate.event.internal.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:426) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.merge(DefaultMergeEventListener.java:214) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.doMerge(DefaultMergeEventListener.java:152) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:136) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:89) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:127) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:854) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:840) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:320) ~[spring-orm-6.2.3.jar:6.2.3]
at jdk.proxy2/jdk.proxy2.$Proxy141.merge(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:639) ~[spring-data-jpa-3.4.3.jar:3.4.3]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:359) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker$RepositoryFragmentMethodInvoker.lambda$new$0(RepositoryMethodInvoker.java:277) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:515) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:284) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:752) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:174) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:149) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:69) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:380) ~[spring-tx-6.2.3.jar:6.2.3]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-6.2.3.jar:6.2.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:138) ~[spring-tx-6.2.3.jar:6.2.3]
... 33 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:59353', transport: 'socket'
Process finished with exit code 1
Ich verwende das folgende Tutorial, um das CSV -Baeldung -Tutorial zu laden
Ich versuche ein kleines Testprojekt zu erstellen, bei dem ich Nachrichten habe (Blog -Beiträge) und die Leute können auf sie reagieren. Ich wollte in der Lage sein, Artikel aus einer CSV-Datei zu laden, und es stellte sich heraus, dass es komplizierter war als ich erwartet hatte.[code]package com.cloakstudio.apiwyldernews.model;
@JsonManagedReference @OneToMany(mappedBy="news", cascade = CascadeType.ALL) Set newsReactions;
public News(String updateType, String title, String intro, String thumbnailUrl, String imageUrl, String description, String location) { this.updateType = updateType; this.title = title; this.intro = intro; this.thumbnailUrl = thumbnailUrl; this.imageUrl = imageUrl; this.description = description; this.location = location; } //... } < /code> Und hier ist die CSV-Datei, die ich versuche, < /p> zu importieren.id,updateType,createdAt,title,intro,thumbnailUrl,imageUrl,description,newsId,snaps,location 1,Guide,2025-03-18T09:03:59.046+00:00,How to do cool tricks,In this guide you will learn how to do cool tricks like import a csv file in java,https://media.fromsoftware.jp/eldenring/resources/images/movieandimages/screenshot/thumb/10.jpg,https://media.fromsoftware.jp/eldenring/resources/images/movieandimages/screenshot/4k/10.jpg,Importing a csv file is a very useful feature to test your application,0,0,My personal computer
< /code> Hier ist die csvObjectloader-Klasse < /p> package com.cloakstudio.apiwyldernews.loader;
@Component public class CSVObjectLoader { private static final Logger logger = LoggerFactory.getLogger(CSVObjectLoader.class);
public List loadObjectList(Class type, String filename) { try { // The schema is based on the first row CsvSchema bootstrapSchema = CsvSchema.emptySchema().withHeader(); CsvMapper mapper = new CsvMapper(); // Get the file from the class path File file = new ClassPathResource(filename).getFile(); // Read the values MappingIterator readValues = mapper.reader(type).with(bootstrapSchema).readValues(file); return readValues.readAll(); } catch(Exception e) { logger.error("An error has occurred while trying to read the following file : " + filename, e); return Collections.emptyList(); } } } < /code> Initiale Dataloader-Klasse < /pbr /> package com.cloakstudio.apiwyldernews.loader;
public void setupInitialData() { List newsList = initialDataLoader.getNews(); for(News news : newsList) { initialDataSetupService.setupNews(news); } } } < /code> und ich erhalte den folgenden Fehler in der Konsole: < /p> 2025-03-21T09:23:30.786+01:00 ERROR 14519 --- [apiwyldernews] [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'initialDataSetup': Invocation of init method failed at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:222) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:423) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:601) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:523) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:346) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1155) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1121) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1056) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.3.jar:6.2.3] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.3.jar:6.2.3] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.4.3.jar:3.4.3] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) ~[spring-boot-3.4.3.jar:3.4.3] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.4.3.jar:3.4.3] at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.4.3.jar:3.4.3] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1361) ~[spring-boot-3.4.3.jar:3.4.3] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1350) ~[spring-boot-3.4.3.jar:3.4.3] at com.cloakstudio.apiwyldernews.ApiwyldernewsApplication.main(ApiwyldernewsApplication.java:10) ~[classes/:na] Caused by: org.springframework.orm.ObjectOptimisticLockingFailureException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.cloakstudio.apiwyldernews.model.News#1] at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:325) ~[spring-orm-6.2.3.jar:6.2.3] at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:244) ~[spring-orm-6.2.3.jar:6.2.3] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:560) ~[spring-orm-6.2.3.jar:6.2.3] at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61) ~[spring-tx-6.2.3.jar:6.2.3] at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:343) ~[spring-tx-6.2.3.jar:6.2.3] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:160) ~[spring-tx-6.2.3.jar:6.2.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165) ~[spring-data-jpa-3.4.3.jar:3.4.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223) ~[spring-aop-6.2.3.jar:6.2.3] at jdk.proxy2/jdk.proxy2.$Proxy144.save(Unknown Source) ~[na:na] at com.cloakstudio.apiwyldernews.loader.InitialDataSetupService.setupNews(InitialDataSetupService.java:27) ~[classes/:na] at com.cloakstudio.apiwyldernews.loader.InitialDataSetup.setupInitialData(InitialDataSetup.java:35) ~[classes/:na] at com.cloakstudio.apiwyldernews.loader.InitialDataSetup.setupData(InitialDataSetup.java:22) ~[classes/:na] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMethod.invoke(InitDestroyAnnotationBeanPostProcessor.java:457) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:401) ~[spring-beans-6.2.3.jar:6.2.3] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:219) ~[spring-beans-6.2.3.jar:6.2.3] ... 20 common frames omitted Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.cloakstudio.apiwyldernews.model.News#1] at org.hibernate.event.internal.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:426) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.event.internal.DefaultMergeEventListener.merge(DefaultMergeEventListener.java:214) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.event.internal.DefaultMergeEventListener.doMerge(DefaultMergeEventListener.java:152) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:136) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:89) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:127) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:854) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:840) ~[hibernate-core-6.6.8.Final.jar:6.6.8.Final] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:320) ~[spring-orm-6.2.3.jar:6.2.3] at jdk.proxy2/jdk.proxy2.$Proxy141.merge(Unknown Source) ~[na:na] at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:639) ~[spring-data-jpa-3.4.3.jar:3.4.3] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:359) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.data.repository.core.support.RepositoryMethodInvoker$RepositoryFragmentMethodInvoker.lambda$new$0(RepositoryMethodInvoker.java:277) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:515) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:284) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:752) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:174) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:149) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:69) ~[spring-data-commons-3.4.3.jar:3.4.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:380) ~[spring-tx-6.2.3.jar:6.2.3] at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-6.2.3.jar:6.2.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.2.3.jar:6.2.3] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:138) ~[spring-tx-6.2.3.jar:6.2.3] ... 33 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:59353', transport: 'socket'
Process finished with exit code 1 [/code] Ich verwende das folgende Tutorial, um das CSV -Baeldung -Tutorial zu laden
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