Код: Выделить всё
@Entity
@Table(name = "pin_item")
public class PinItem implements Serializable {
// properties ...
@JoinColumn(name = "board_id", referencedColumnName = "user_board_id")
@ManyToOne(optional = false)
private UserBoard board;
// getters and setters...
}
@Entity
@Table(name = "user_board")
public class UserBoard implements Serializable {
// properties ...
@OneToMany(cascade = CascadeType.ALL, mappedBy = "board")
private List
pinItemList;
// getters and setters...
}
< /code>
service < /strong> < /p>
@Service
@Transactional(readOnly = true)
public class BoardServiceImpl implements BoardService {
@Autowired
private UserBoardRepository boardRepository;
@Override
public List findLatestBoards() {
PageRequest request = new PageRequest(
0, PresentationUtil.PAGE_SIZE,
Sort.Direction.DESC, "boardId"
);
return boardRepository.findAll(request).getContent();
}
// Other Methods
}
< /code>
Repository < /strong> < /p>
public interface UserBoardRepository extends JpaRepository {
}
Код: Выделить всё
12:28:44,254 DEBUG AnnotationTransactionAttributeSource:106 - Adding transactional method 'findLatestBoards' with attribute: PROPAGATION_REQUIRED,ISOLATION_DEFAULT,readOnly; ''
12:28:44,254 DEBUG DefaultListableBeanFactory:246 - Returning cached instance of singleton bean 'transactionManager'
12:28:44,254 DEBUG JpaTransactionManager:366 - Creating new transaction with name [com.tecnooc.picpin.service.impl.BoardServiceImpl.findLatestBoards]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT,readOnly; ''
12:28:44,254 DEBUG JpaTransactionManager:369 - Opened new EntityManager [org.hibernate.ejb.EntityManagerImpl@75284194] for JPA transaction
12:28:44,255 DEBUG AbstractTransactionImpl:158 - begin
12:28:44,255 DEBUG LogicalConnectionImpl:212 - Obtaining JDBC connection
12:28:44,255 DEBUG DriverManagerDataSource:162 - Creating new JDBC DriverManager Connection to [jdbc:mysql://localhost:3306/pic_pin]
12:28:44,266 DEBUG LogicalConnectionImpl:218 - Obtained JDBC connection
12:28:44,267 DEBUG JdbcTransaction:69 - initial autocommit status: true
12:28:44,267 DEBUG JdbcTransaction:71 - disabling autocommit
12:28:44,267 DEBUG JpaTransactionManager:401 - Exposing JPA transaction as JDBC transaction [org.springframework.orm.jpa.vendor.HibernateJpaDialect$HibernateConnectionHandle@370da60e]
12:28:44,274 DEBUG TransactionalRepositoryProxyPostProcessor$CustomAnnotationTransactionAttributeSource:286 - Adding transactional method 'findAll' with attribute: PROPAGATION_REQUIRED,ISOLATION_DEFAULT,readOnly; ''
12:28:44,274 DEBUG DefaultListableBeanFactory:246 - Returning cached instance of singleton bean 'transactionManager'
12:28:44,274 DEBUG JpaTransactionManager:332 - Found thread-bound EntityManager [org.hibernate.ejb.EntityManagerImpl@75284194] for JPA transaction
12:28:44,274 DEBUG JpaTransactionManager:471 - Participating in existing transaction
12:28:44,279 DEBUG CachedIntrospectionResults:159 - Not strongly caching class [java.io.Serializable] because it is not cache-safe
12:28:44,281 DEBUG JpaTransactionManager:851 - Participating transaction failed - marking existing transaction as rollback-only
12:28:44,281 DEBUG JpaTransactionManager:559 - Setting JPA transaction on EntityManager [org.hibernate.ejb.EntityManagerImpl@75284194] rollback-only
12:28:44,283 DEBUG JpaTransactionManager:844 - Initiating transaction rollback
12:28:44,284 DEBUG JpaTransactionManager:534 - Rolling back JPA transaction on EntityManager [org.hibernate.ejb.EntityManagerImpl@75284194]
12:28:44,284 DEBUG AbstractTransactionImpl:203 - rolling back
12:28:44,284 DEBUG JdbcTransaction:164 - rolled JDBC Connection
12:28:44,285 DEBUG JdbcTransaction:126 - re-enabling autocommit
12:28:44,285 DEBUG JpaTransactionManager:594 - Closing JPA EntityManager [org.hibernate.ejb.EntityManagerImpl@75284194] after transaction
12:28:44,285 DEBUG EntityManagerFactoryUtils:338 - Closing JPA EntityManager
12:28:44,286 DEBUG LogicalConnectionImpl:232 - Releasing JDBC connection
12:28:44,286 DEBUG LogicalConnectionImpl:250 - Released JDBC connection
12:28:44,287 DEBUG ExceptionHandlerExceptionResolver:132 - Resolving exception from handler [public java.lang.String com.tecnooc.picpin.controller.BoardController.latest(javax.servlet.http.HttpSession,org.springframework.ui.Model)]: org.springframework.data.mapping.PropertyReferenceException: No property board found for type com.tecnooc.picpin.model.UserBoard
12:28:44,289 DEBUG ResponseStatusExceptionResolver:132 - Resolving exception from handler [public java.lang.String com.tecnooc.picpin.controller.BoardController.latest(javax.servlet.http.HttpSession,org.springframework.ui.Model)]: org.springframework.data.mapping.PropertyReferenceException: No property board found for type com.tecnooc.picpin.model.UserBoard
12:28:44,290 DEBUG DefaultHandlerExceptionResolver:132 - Resolving exception from handler [public java.lang.String com.tecnooc.picpin.controller.BoardController.latest(javax.servlet.http.HttpSession,org.springframework.ui.Model)]: org.springframework.data.mapping.PropertyReferenceException: No property board found for type com.tecnooc.picpin.model.UserBoard
12:28:44,291 DEBUG DispatcherServlet:959 - Could not complete request
< /code>
Исключение < /strong> < /p>
Исключение - "org.springframework.data.mapping.PropertyReferenceException: No property board found for type com.tecnooc.picpin.model.UserBoardorg.springframework.data.mapping.PropertyReferenceException: N o p r o p e r t y b o a r d f o u n d f o r t y p e c o m . t e c n o o c . p i c p i n . m o d e l . U s e r B o a r d < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . m a p p i n g . P r o p e r t y P a t h . & l t ; i n i t & g t ; ( P r o p e r t y P a t h . j a v a : 7 5 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . m a p p i n g . P r o p e r t y P a t h . c r e a t e ( P r o p e r t y P a t h . j a v a : 3 2 7 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . m a p p i n g . P r o p e r t y P a t h . c r e a t e ( P r o p e r t y P a t h . j a v a : 3 5 3 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . m a p p i n g . P r o p e r t y P a t h . c r e a t e ( P r o p e r t y P a t h . j a v a : 3 0 7 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . m a p p i n g . P r o p e r t y P a t h . f r o m ( P r o p e r t y P a t h . j a v a : 2 7 1 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . m a p p i n g . P r o p e r t y P a t h . f r o m ( P r o p e r t y P a t h . j a v a : 2 4 5 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . q u e r y . Q u e r y U t i l s . t o J p a O r d e r ( Q u e r y U t i l s . j a v a : 4 0 8 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . q u e r y . Q u e r y U t i l s . t o O r d e r s ( Q u e r y U t i l s . j a v a : 3 7 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . s u p p o r t . S i m p l e J p a R e p o s i t o r y . g e t Q u e r y ( S i m p l e J p a R e p o s i t o r y . j a v a : 4 5 6 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . s u p p o r t . S i m p l e J p a R e p o s i t o r y . g e t Q u e r y ( S i m p l e J p a R e p o s i t o r y . j a v a : 4 3 7 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . s u p p o r t . S i m p l e J p a R e p o s i t o r y . f i n d A l l ( S i m p l e J p a R e p o s i t o r y . j a v a : 3 1 9 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . s u p p o r t . S i m p l e J p a R e p o s i t o r y . f i n d A l l ( S i m p l e J p a R e p o s i t o r y . j a v a : 2 8 9 ) < b r / > a t s u n . r e f l e c t . N a t i v e M e t h o d A c c e s s o r I m p l . i n v o k e 0 ( N a t i v e M e t h o d ) < b r / > a t s u n . r e f l e c t . N a t i v e M e t h o d A c c e s s o r I m p l . i n v o k e ( N a t i v e M e t h o d A c c e s s o r I m p l . j a v a : 5 7 ) < b r / > a t s u n . r e f l e c t . D e l e g a t i n g M e t h o d A c c e s s o r I m p l . i n v o k e ( D e l e g a t i n g M e t h o d A c c e s s o r I m p l . j a v a : 4 3 ) < b r / > a t j a v a . l a n g . r e f l e c t . M e t h o d . i n v o k e ( M e t h o d . j a v a : 6 0 6 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . r e p o s i t o r y . c o r e . s u p p o r t . R e p o s i t o r y F a c t o r y S u p p o r t $ Q u e r y E x e c u t o r M e t h o d I n t e r c e p t o r . e x e c u t e M e t h o d O n ( R e p o s i t o r y F a c t o r y S u p p o r t . j a v a : 3 3 3 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . r e p o s i t o r y . c o r e . s u p p o r t . R e p o s i t o r y F a c t o r y S u p p o r t $ Q u e r y E x e c u t o r M e t h o d I n t e r c e p t o r . i n v o k e ( R e p o s i t o r y F a c t o r y S u p p o r t . j a v a : 3 1 8 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . R e f l e c t i v e M e t h o d I n v o c a t i o n . p r o c e e d ( R e f l e c t i v e M e t h o d I n v o c a t i o n . j a v a : 1 7 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . t r a n s a c t i o n . i n t e r c e p t o r . T r a n s a c t i o n I n t e r c e p t o r $ 1 . p r o c e e d W i t h I n v o c a t i o n ( T r a n s a c t i o n I n t e r c e p t o r . j a v a : 9 6 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . t r a n s a c t i o n . i n t e r c e p t o r . T r a n s a c t i o n A s p e c t S u p p o r t . i n v o k e W i t h i n T r a n s a c t i o n ( T r a n s a c t i o n A s p e c t S u p p o r t . j a v a : 2 6 0 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . t r a n s a c t i o n . i n t e r c e p t o r . T r a n s a c t i o n I n t e r c e p t o r . i n v o k e ( T r a n s a c t i o n I n t e r c e p t o r . j a v a : 9 4 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . R e f l e c t i v e M e t h o d I n v o c a t i o n . p r o c e e d ( R e f l e c t i v e M e t h o d I n v o c a t i o n . j a v a : 1 7 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a o . s u p p o r t . P e r s i s t e n c e E x c e p t i o n T r a n s l a t i o n I n t e r c e p t o r . i n v o k e ( P e r s i s t e n c e E x c e p t i o n T r a n s l a t i o n I n t e r c e p t o r . j a v a : 1 5 5 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . R e f l e c t i v e M e t h o d I n v o c a t i o n . p r o c e e d ( R e f l e c t i v e M e t h o d I n v o c a t i o n . j a v a : 1 7 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . d a t a . j p a . r e p o s i t o r y . s u p p o r t . L o c k M o d e R e p o s i t o r y P o s t P r o c e s s o r $ L o c k M o d e P o p u l a t i n g M e t h o d I n t e r c c e p t o r . i n v o k e ( L o c k M o d e R e p o s i t o r y P o s t P r o c e s s o r . j a v a : 9 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . R e f l e c t i v e M e t h o d I n v o c a t i o n . p r o c e e d ( R e f l e c t i v e M e t h o d I n v o c a t i o n . j a v a : 1 7 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . i n t e r c e p t o r . E x p o s e I n v o c a t i o n I n t e r c e p t o r . i n v o k e ( E x p o s e I n v o c a t i o n I n t e r c e p t o r . j a v a : 9 1 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . R e f l e c t i v e M e t h o d I n v o c a t i o n . p r o c e e d ( R e f l e c t i v e M e t h o d I n v o c a t i o n . j a v a : 1 7 2 ) < b r / > a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . J d k D y n a m i c A o p P r o x y . i n v o k e ( J d k D y n a m i c A o p P r o x y . j a v a : 2 0 4 ) < b r / > a t c o m . s u n . p r o x y . $ P r o x y 1 4 7 . f i n d A l l ( U n k n o w n S o u r c e ) < b r / > a t c o m . t e c n o o c . p i c p i n . s e r v i c e . i m p l . B o a r d S e r v i c e I m p l . f i n d L a t e s t B o a r d s ( B o a r d S e r v i c e I m p l . j a v a : 4 5 ) < b r / > a t s u n . r e f l e c t . N a t i v e M e t h o d A c c e s s o r I m p l . i n v o k e 0 ( N a t i v e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at com.sun.proxy.$Proxy148.findLatestBoards(Unknown Source)
at com.tecnooc.picpin.controller.BoardController.latest(BoardController.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
< /code>
Я не понимаю, почему это исключение брошено. Есть идеи, почему это происходит? Кроме того, кодовая часть, которую я поместил здесь, - это то, что я думал, имеет отношение к проблеме. Если это не так, дайте мне знать, и я обновлю вопрос с необходимой частью.
Подробнее здесь: https://stackoverflow.com/questions/195 ... -exception
