Ich bin mit spring data
arbeiten, erstellen i Config-Klasse mit @Bean
, @Entity
und Main.java
aber als Projekt ausführen ich erhalte Ausnahme:Kein verwalteter Typ: Klassenentität. & Spring Data
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'todoRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class entity.Todo
Mein Main.java
public class Main {
@Autowired
private static TodoRepository todoRepository;
public static void main(String[] args) {
Todo todo = new Todo();
todo.setId(1l);
todo.setTitle("title");
System.out.println(todoRepository); //null
todoRepository.save(todo); //Exception in thread "main" java.lang.NullPointerException
}
}
PersistenceContext.java
Todo.java
@Entity
@Table(name = "todos")
public class Todo {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column(name = "title", nullable = false, length = 100)
private String title;
public Todo() {
}
//getter setter tostring
}
Alle Stacktrace:
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
сен 02, 2015 2:54:49 PM org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation
INFO: HHH000204: Processing PersistenceUnitInfo [
name: default
...]
sep 02, 2015 2:54:49 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {5.0.0.Final}
sep 02, 2015 2:54:49 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
sep 02, 2015 2:54:49 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
sep 02, 2015 2:54:49 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {5.0.0.Final}
sep 02, 2015 2:54:49 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
sep 02, 2015 2:54:50 PM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000227: Running hbm2ddl schema export
sep 02, 2015 2:54:50 PM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000230: Schema export complete
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'todoRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class entity.Todo
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1554)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:687)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:762)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:84)
at Main.main(Main.java:21)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.lang.IllegalArgumentException: Not an managed type: class entity.Todo
at org.hibernate.jpa.internal.metamodel.MetamodelImpl.managedType(MetamodelImpl.java:210)
at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:68)
at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:67)
at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:146)
at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:90)
at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:70)
at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:171)
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:1613)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1550)
... 16 more
Process finished with exit code 1
Vielen Dank, das ist mein Problem gelöst. Vielleicht weißt du, warum ich einen Fehler habe, wenn ich '@ Autowired' * benutze (delete' ApplicationContext') * ich bekomme die Ausnahme 'Exception im Thread 'main" java.lang.NullPointerException' in der Zeile 'todoRepository.save (todo);' –
Sie haben keine Codezeile des TodoRepository gepostet. Wenn diese Antwort Ihr Problem löst, sollten Sie dies akzeptieren, indem Sie die graue Markierung neben der Frage ankreuzen. Wenn Sie mit dem anderen Problem nicht weiterkommen, fragen Sie * eine andere * Frage mit dem entsprechenden Code. –
Okey, ich erstelle neue Frage! –