Использование Spring Data JPA в приложении Google Appengine

Я пытаюсь использовать Spring 3.2 и Spring Data на GAE и испытываю определенные проблемы с правильной настройкой конфигурации. Это минимально, но из документации Spring Data кажется, что вам не нужно гораздо больше, чем просто entitymanagerfactory bean.Использование Spring Data JPA в приложении Google Appengine

Вот моя конфигурация и исключение, которое я получаю при запуске. Может ли кто-нибудь предложить решение для исключения, которое я получаю с Datanucleus JPA 2.0?

pom.xml

<?xml version="1.0" encoding="UTF-8"?> 
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 

    <modelVersion>4.0.0</modelVersion> 
    <packaging>war</packaging> 
    <version>1.0.0-SNAPSHOT</version> 

    <groupId>com.foo</groupId> 
    <artifactId>bar</artifactId> 

    <properties> 
     <appengine.version>1.7.5</appengine.version> 
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> 

     <slf4j.version>1.7.2</slf4j.version> 
     <datanucleus.version>3.0.6</datanucleus.version> 
     <spring.version>3.2.1.RELEASE</spring.version> 
     <spring-data.version>1.3.0.RELEASE</spring-data.version> 
    </properties> 

    <dependencies> 
     <!-- Compile/runtime dependencies --> 
     <dependency> 
      <groupId>com.google.appengine</groupId> 
      <artifactId>appengine-api-1.0-sdk</artifactId> 
      <version>${appengine.version}</version> 
     </dependency> 
     <dependency> 
      <groupId>javax.servlet</groupId> 
      <artifactId>servlet-api</artifactId> 
      <version>2.5</version> 
      <scope>provided</scope> 
     </dependency> 
     <dependency> 
      <groupId>jstl</groupId> 
      <artifactId>jstl</artifactId> 
      <version>1.2</version> 
     </dependency> 

     <!-- Spring --> 
     <dependency> 
      <groupId>org.springframework</groupId> 
      <artifactId>spring-core</artifactId> 
      <version>${spring.version}</version> 
     </dependency> 
     <dependency> 
      <groupId>org.springframework</groupId> 
      <artifactId>spring-web</artifactId> 
      <version>${spring.version}</version> 
     </dependency> 
     <dependency> 
      <groupId>org.springframework</groupId> 
      <artifactId>spring-webmvc</artifactId> 
      <version>${spring.version}</version> 
     </dependency> 

     <dependency> 
      <groupId>org.springframework.data</groupId> 
      <artifactId>spring-data-jpa</artifactId> 
      <version>${spring-data.version}</version> 
     </dependency> 

     <!-- Logging dependencies --> 
     <dependency> 
      <groupId>org.slf4j</groupId> 
      <artifactId>slf4j-jdk14</artifactId> 
      <version>${slf4j.version}</version> 
     </dependency> 

     <!-- JPA 2.0 for GAE --> 
     <dependency> 
      <groupId>com.google.appengine.orm</groupId> 
      <artifactId>datanucleus-appengine</artifactId> 
      <version>2.0.0</version> 
     </dependency> 
     <dependency> 
      <groupId>org.datanucleus</groupId> 
      <artifactId>datanucleus-api-jpa</artifactId> 
      <version>${datanucleus.version}</version> 
     </dependency> 
     <dependency> 
      <groupId>org.datanucleus</groupId> 
      <artifactId>datanucleus-core</artifactId> 
      <version>${datanucleus.version}</version> 
     </dependency> 
     <dependency> 
      <groupId>org.apache.geronimo.specs</groupId> 
      <artifactId>geronimo-jpa_2.0_spec</artifactId> 
      <version>1.0</version> 
     </dependency> 

     <!-- Test Dependencies --> 
     <dependency> 
      <groupId>junit</groupId> 
      <artifactId>junit</artifactId> 
      <version>4.10</version> 
      <scope>test</scope> 
     </dependency> 
     <dependency> 
      <groupId>org.mockito</groupId> 
      <artifactId>mockito-all</artifactId> 
      <version>1.9.0</version> 
      <scope>test</scope> 
     </dependency> 
     <dependency> 
      <groupId>com.google.appengine</groupId> 
      <artifactId>appengine-testing</artifactId> 
      <version>${appengine.version}</version> 
      <scope>test</scope> 
     </dependency> 
     <dependency> 
      <groupId>com.google.appengine</groupId> 
      <artifactId>appengine-api-stubs</artifactId> 
      <version>${appengine.version}</version> 
      <scope>test</scope> 
     </dependency> 
    </dependencies> 

    <build> 
     <plugins> 
      <plugin> 
       <groupId>org.apache.maven.plugins</groupId> 
       <version>2.5.1</version> 
       <artifactId>maven-compiler-plugin</artifactId> 
       <configuration> 
        <source>1.6</source> 
        <target>1.6</target> 
       </configuration> 
      </plugin> 

      <plugin> 
       <groupId>org.apache.maven.plugins</groupId> 
       <artifactId>maven-war-plugin</artifactId> 
       <version>2.3</version> 
       <configuration> 
        <archiveClasses>true</archiveClasses> 
        <webResources> 
         <!-- in order to interpolate version from pom into appengine-web.xml --> 
         <resource> 
          <directory>${basedir}/src/main/webapp/WEB-INF</directory> 
          <filtering>true</filtering> 
          <targetPath>WEB-INF</targetPath> 
         </resource> 
        </webResources> 
       </configuration> 
      </plugin> 

      <plugin> 
       <groupId>com.google.appengine</groupId> 
       <artifactId>appengine-maven-plugin</artifactId> 
       <version>${appengine.version}</version> 
      </plugin> 
     </plugins> 
    </build> 

</project>

Конфигурация JPA

@Configuration 
@EnableJpaRepositories("com.foo.bar.domain") 
@EnableTransactionManagement 
class JpaApplicationConfig { 
    private static final Logger logger = Logger 
      .getLogger(JpaApplicationConfig.class.getName()); 

    @Bean 
    public EntityManagerFactory entityManagerFactory() { 
     logger.info("Loading Entity Manager..."); 
     return Persistence 
       .createEntityManagerFactory("eventual-reads-short-deadlines"); 
    } 

    @Bean 
    public PlatformTransactionManager transactionManager() { 
     logger.info("Loading Transaction Manager..."); 
     final JpaTransactionManager txManager = new JpaTransactionManager(); 
     txManager.setEntityManagerFactory(entityManagerFactory()); 
     return txManager; 
    } 
}

Исключение

[INFO] SEVERE: Context initialization failed 
[INFO] org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0': Initialization of bean failed; nested exception is java.lang.IllegalStateException: No persistence exception translators found in bean factory. Cannot perform exception translation. 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:532) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) 
[INFO] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198) 
[INFO] at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:741) 
[INFO] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464) 
[INFO] at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389) 
[INFO] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294) 
[INFO] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112) 
[INFO] at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) 
[INFO] at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) 
[INFO] at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) 
[INFO] at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 
[INFO] at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[INFO] at org.mortbay.jetty.Server.doStart(Server.java:224) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:228) 
[INFO] at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:255) 
[INFO] at com.google.appengine.tools.development.AbstractServer.startup(AbstractServer.java:79) 
[INFO] at com.google.appengine.tools.development.DevAppServerImpl$Servers.startup(DevAppServerImpl.java:451) 
[INFO] at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:198) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:333) 
[INFO] at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:269) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:245) 
[INFO] Caused by: java.lang.IllegalStateException: No persistence exception translators found in bean factory. Cannot perform exception translation. 
[INFO] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.detectPersistenceExceptionTranslators(PersistenceExceptionTranslationInterceptor.java:142) 
[INFO] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.<init>(PersistenceExceptionTranslationInterceptor.java:79) 
[INFO] at org.springframework.dao.annotation.PersistenceExceptionTranslationAdvisor.<init>(PersistenceExceptionTranslationAdvisor.java:70) 
[INFO] at org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor.setBeanFactory(PersistenceExceptionTranslationPostProcessor.java:103) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeAwareMethods(AbstractAutowireCapableBeanFactory.java:1506) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.access$000(AbstractAutowireCapableBeanFactory.java:116) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$5.run(AbstractAutowireCapableBeanFactory.java:1468) 
[INFO] at java.security.AccessController.doPrivileged(Native Method) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1466) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:524) 
[INFO] ... 30 more 
[INFO] 
[INFO] Mar 12, 2013 11:10:49 AM com.google.apphosting.utils.jetty.JettyLogger warn 
[INFO] WARNING: Failed startup of context c[email protected]2912ee3c{/,/home/tim/workspace-me/Dating/target/dating-1.0.0-SNAPSHOT} 
[INFO] org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0': Initialization of bean failed; nested exception is java.lang.IllegalStateException: No persistence exception translators found in bean factory. Cannot perform exception translation. 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:532) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) 
[INFO] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198) 
[INFO] at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:741) 
[INFO] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464) 
[INFO] at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389) 
[INFO] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294) 
[INFO] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112) 
[INFO] at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) 
[INFO] at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) 
[INFO] at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) 
[INFO] at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 
[INFO] at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[INFO] at org.mortbay.jetty.Server.doStart(Server.java:224) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:228) 
[INFO] at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:255) 
[INFO] at com.google.appengine.tools.development.AbstractServer.startup(AbstractServer.java:79) 
[INFO] at com.google.appengine.tools.development.DevAppServerImpl$Servers.startup(DevAppServerImpl.java:451) 
[INFO] at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:198) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:333) 
[INFO] at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:269) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:245) 
[INFO] Caused by: java.lang.IllegalStateException: No persistence exception translators found in bean factory. Cannot perform exception translation. 
[INFO] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.detectPersistenceExceptionTranslators(PersistenceExceptionTranslationInterceptor.java:142) 
[INFO] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.<init>(PersistenceExceptionTranslationInterceptor.java:79) 
[INFO] at org.springframework.dao.annotation.PersistenceExceptionTranslationAdvisor.<init>(PersistenceExceptionTranslationAdvisor.java:70) 
[INFO] at org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor.setBeanFactory(PersistenceExceptionTranslationPostProcessor.java:103) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeAwareMethods(AbstractAutowireCapableBeanFactory.java:1506) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.access$000(AbstractAutowireCapableBeanFactory.java:116) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$5.run(AbstractAutowireCapableBeanFactory.java:1468) 
[INFO] at java.security.AccessController.doPrivileged(Native Method) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1466) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:524) 
[INFO] ... 30 more 
[INFO] 
[INFO] Mar 12, 2013 11:10:49 AM com.google.apphosting.utils.jetty.JettyLogger warn 
[INFO] WARNING: Nested in org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0': Initialization of bean failed; nested exception is java.lang.IllegalStateException: No persistence exception translators found in bean factory. Cannot perform exception translation.: 
[INFO] java.lang.IllegalStateException: No persistence exception translators found in bean factory. Cannot perform exception translation. 
[INFO] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.detectPersistenceExceptionTranslators(PersistenceExceptionTranslationInterceptor.java:142) 
[INFO] at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.<init>(PersistenceExceptionTranslationInterceptor.java:79) 
[INFO] at org.springframework.dao.annotation.PersistenceExceptionTranslationAdvisor.<init>(PersistenceExceptionTranslationAdvisor.java:70) 
[INFO] at org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor.setBeanFactory(PersistenceExceptionTranslationPostProcessor.java:103) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeAwareMethods(AbstractAutowireCapableBeanFactory.java:1506) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.access$000(AbstractAutowireCapableBeanFactory.java:116) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$5.run(AbstractAutowireCapableBeanFactory.java:1468) 
[INFO] at java.security.AccessController.doPrivileged(Native Method) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1466) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:524) 
[INFO] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) 
[INFO] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) 
[INFO] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198) 
[INFO] at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:741) 
[INFO] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464) 
[INFO] at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389) 
[INFO] at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294) 
[INFO] at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112) 
[INFO] at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) 
[INFO] at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) 
[INFO] at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) 
[INFO] at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) 
[INFO] at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) 
[INFO] at org.mortbay.jetty.Server.doStart(Server.java:224) 
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) 
[INFO] at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:228) 
[INFO] at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:255) 
[INFO] at com.google.appengine.tools.development.AbstractServer.startup(AbstractServer.java:79) 
[INFO] at com.google.appengine.tools.development.DevAppServerImpl$Servers.startup(DevAppServerImpl.java:451) 
[INFO] at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:198) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:333) 
[INFO] at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:269) 
[INFO] at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:245) 
[INFO] 
[INFO] Mar 12, 2013 11:10:49 AM com.google.apphosting.utils.jetty.JettyLogger debug

источник

2013-03-12 Mouscellaneous

Вам удалось получить Spring Data JPA с GAE? – xybrek

В автономных средах мы рекомендуем использовать классы поддержки пружин для настройки EntityManagerFactory. Так что если вы измените конфигурацию следующего дополнительной декларации боба не должно быть необходимым:

@Bean 
public AbstractEntityManagerFactoryBean entityManagerFactory() { 

    LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean(); 
    factory.setPersistenceUnitName("eventual-reads-short-deadlines"); 
    return factory; 
} 

@Bean 
public PlatformTransactionManager transactionManager() { 

    JpaTransactionManager txManager = new JpaTransactionManager(); 
    txManager.setEntityManagerFactory(entityManagerFactory().getObject()); 
    return txManager; 
}

Решающая часть делает Часовню FactoryBean реализации, как Spring бин, как он реализует PersistenceExceptionTranslator.

источник

2013-03-13 16:50:09

Спасибо. Это также работало с LocalEntityManagerFactoryBean – Mouscellaneous

@Mousce Different Это действительно сработало? – xybrek

Я нашел решение, но по моему мнению, это не самое выгодное. Я добавил к моей конфигурации:

@Bean 
    public PersistenceExceptionTranslator persistenceExceptionTranslator() { 
     return new OpenJpaDialect(); 
    }

я не начал тестировать, если это работает, но он останавливает исключение из броска. Я бы предпочел использовать специфический переводчик Datanucleus, но я не знаю, существует ли он. Дополнительные решения приветствуются.

источник

2013-03-12 13:12:15 Mouscellaneous

У вас есть пример проекта? –

Можете ли вы поделиться, как это сработало для вас? :-) – xybrek

Это не работало для меня. Вместо этого я решил вместо этого использовать objectify: https://code.google.com/p/objectify-appengine/ – Mouscellaneous

Использование Spring Data JPA в приложении Google Appengine

ответ

Смежные вопросы