Ich verwende Spring Data (über Spring Boot 1.3.3). Alle meine Repositorys verfügen über eine benutzerdefinierte Methode zum Abrufen eines Primärschlüssels. Zum Beispiel:Verwendung von @Transactional mit Spring Data benutzerdefinierten Methoden
@Transactional(readOnly=true)
@Repository
public interface UserRepository extends CrudRepository<User, UserId>, UserRepositoryCustom {
User findByUsername(String username);
}
public interface UserRepositoryCustom {
UserId nextId();
}
public class UserRepositoryImpl implements UserRepositoryCustom {
public UserId nextId() {
return new UserId(UUID.randomUUID());
}
}
Ist der Einsatz von @Transactional
hier richtig? Oder muss ich auch @Transactional
zu UserRepositoryImpl
hinzufügen (möglicherweise mit readOnly gesetzt oder nicht)?
Der Grund ich frage ist, weil ich ObjectOptimisticLockingFailureException
org.springframework.orm.ObjectOptimisticLockingFailureException: Object of class
[com.company.project.domain.Game] with identifier [GameId{id=7968c30b-838f-424c-bfef-838de7028def}]:
optimistic locking failed; nested exception is
org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction
(or unsaved-value mapping was incorrect) : [com.company.project.domain.Game#GameId{id=7968c30b-838f-424c-bfef-838de7028def}]
Dies geschieht während JMeter Test unerklärlich bekommen. Die Methoden, die aufgerufen werden, ändern die Entität Game
in keiner Weise jedoch.
Ich habe hinzugefügt, dies zu meiner Game
Einheit für die Fehlersuche:
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Thread.java:1329)
at com.company.project.domain.Game.preUpdate(Game.java:85)
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 org.hibernate.jpa.event.internal.jpa.EntityCallback.performCallback(EntityCallback.java:47)
at org.hibernate.jpa.event.internal.jpa.CallbackRegistryImpl.callback(CallbackRegistryImpl.java:112)
at org.hibernate.jpa.event.internal.jpa.CallbackRegistryImpl.preUpdate(CallbackRegistryImpl.java:76)
at org.hibernate.jpa.event.internal.core.JpaFlushEntityEventListener.invokeInterceptor(JpaFlushEntityEventListener.java:68)
at org.hibernate.event.internal.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:342)
at org.hibernate.event.internal.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:293)
at org.hibernate.event.internal.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:160)
at org.hibernate.event.internal.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:231)
at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:102)
at org.hibernate.event.internal.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:61)
at org.hibernate.internal.SessionImpl.autoFlushIfRequired(SessionImpl.java:1227)
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1293)
at org.hibernate.internal.QueryImpl.list(QueryImpl.java:103)
at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:573)
at org.hibernate.jpa.internal.QueryImpl.getSingleResult(QueryImpl.java:495)
at org.hibernate.jpa.criteria.compile.CriteriaQueryTypeQueryAdapter.getSingleResult(CriteriaQueryTypeQueryAdapter.java:71)
at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:206)
at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:78)
at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:100)
at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:91)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:462)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:440)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:61)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:131)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
at com.sun.proxy.$Proxy141.findByUsername(Unknown Source)
at com.company.project.service.UserServiceImpl.findByUsername(UserServiceImpl.java:117)
at com.company.project.service.UserServiceImpl.subtractCredits(UserServiceImpl.java:143)
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 org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
at com.sun.proxy.$Proxy154.subtractCredits(Unknown Source)
at com.company.project.service.GameServiceImpl.subtractCreditsForPlacedShotsAndSave(GameServiceImpl.java:703)
at com.company.project.service.GameServiceImpl.placeShotsOnGameWhenGameIsOpen(GameServiceImpl.java:641)
at com.company.project.service.GameServiceImpl.placeShotsOnGame(GameServiceImpl.java:629)
at com.company.project.service.GameServiceImpl.placeShots(GameServiceImpl.java:281)
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 org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
at com.sun.proxy.$Proxy164.placeShots(Unknown Source)
at com.company.project.controller.front.FrontGameController.placeShots(FrontGameController.java:180)
Betrachtet man nur die Sachen, die relevant ist:
@PreUpdate
public void preUpdate() {
System.out.println("GAME UPDATED!! version = " + version);
Thread.dumpStack();
}
dies einige Male einen Stack-Trace ähnlich wie diese gibt Meine App, Sie sehen dies:
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Thread.java:1329)
at com.company.project.domain.Game.preUpdate(Game.java:85)
at com.company.project.service.UserServiceImpl.findByUsername(UserServiceImpl.java:117)
at com.company.project.service.UserServiceImpl.subtractCredits(UserServiceImpl.java:143)
at com.company.project.service.GameServiceImpl.subtractCreditsForPlacedShotsAndSave(GameServiceImpl.java:703)
at com.company.project.service.GameServiceImpl.placeShotsOnGameWhenGameIsOpen(GameServiceImpl.java:641)
at com.company.project.service.GameServiceImpl.placeShotsOnGame(GameServiceImpl.java:629)
at com.company.project.service.GameServiceImpl.placeShots(GameServiceImpl.java:281)
at com.company.project.controller.front.FrontGameController.placeShots(FrontGameController.java:180)
Also irgendwie, findByUsername
scheint eine Aktualisierung auf eine nicht verwandte Entität auszulösen Game
?
FYI: GameServiceImpl#placeShots
hat auch eine @Transactional
Annotation. Ich habe auch versucht, eine solche Anmerkung zur Controller-Methode hinzuzufügen, aber daran änderte sich nichts.
Siehe die Frühjahrsdokumentation über [@Transactional] (http://docs.spring.io/autorepo/docs/spring/4.2.x/spring-framework-reference/html/transaction.html#transaction-declarative-annotations) und besonders "Frühling empfiehlt, dass Sie nur konkrete Klassen kommentieren ...". 'findByUserName' löst einen Autoflush aus, der bereits in der aktuellen Transaktion durchgeführt wurde. Aus irgendeinem Grund löst Hibernate diesen automatischen Flush aus, vielleicht weil es Beziehungen zwischen Benutzer und Spiel gibt. Modifizieren Sie eine 'Game'-Entität (selbst wenn Sie Setter aufrufen), bevor Sie' findByUsername' aufrufen? –
Ich habe alle meine Setter von 'Game' Logging hinzugefügt, aber nichts zeigt, also aktualisiere ich es nicht. –
Sie können versuchen, ['show_sql'] (http://www.mkyong.com/hibernate/hibernate-display-generated-sql-to-console-show_sql-format_sql-and-use_sql_comments/) Eigenschaften zu aktivieren, um anzuzeigen, welche SQL werden geleert und erhöhen den Ruhezustand Logging-Level –