@NamedQueries({
@NamedQuery(name="surveyResponse.getAverageRatings", query="SELECT AVG(ratings) FROM SurveyResponse surveyResponse WHERE surveyResponse.customerSurvey.surveyId = :surveyId"),
@NamedQuery(name="surveyResponse.getBySurvey", query = "SELECT FROM SurveyResponse surveyResponse WHERE surveyResponse.customerSurvey.surveyId = :surveyId")})
public class SurveyResponse implements Serializable {
@Id @GeneratedValue(strategy=GenerationType.SEQUENCE,
generator="SURVEY_RESPONSE_SEQUENCE")
@Column(name="SURVEYRESPONSEID")
private long surveyResponseId;
@ManyToOne(fetch=FetchType.EAGER, cascade=CascadeType.DETACH)
@JoinColumn(name="QNo", referencedColumnName="qNo")
private Questionair questionair;
@ManyToOne(fetch=FetchType.EAGER)
@JoinColumn(name="SURVEYID", referencedColumnName="surveyId")
private CustomerSurvey customerSurvey;
@Column(name="RATINGS")
private int ratings;
.....
}
持久性等级：
public void submitSurveyResponse(List<CustomerSurvey> surveys) throws WorkServiceException {
EntityManager em = entityManagerFactory.createEntityManager();
EntityTransaction tx = em.getTransaction();
tx.begin();
for (CustomerSurvey survey : surveys) {
survey.setRespondedOn(Calendar.getInstance().getTime());
String surveyId = survey.getSurveyId();
Query query = em.createNamedQuery("surveyResponse.getAverageRatings").setParameter("surveyId", surveyId);
Double avgRating = (Double) query.getSingleResult();
BigDecimal bd = BigDecimal.valueOf(avgRating);
bd = bd.setScale(2, RoundingMode.HALF_UP);
avgRating = bd.doubleValue();
survey.setAvgRatings(avgRating);
CustomerSurvey mSurvey = em.merge(survey);
em.flush();
}
tx.commit();
em.clear();
em.close();
}
原因：
2012-10-24 11:33:57,042[SpringOsgiExtenderThread-34]|DEBUG|DataNucleus.Transaction|147-org.datanucleus-3.1.1|Object "com.ge.dsp.iwork.entity.SurveyResponse@3a45cd18" (id="com.ge.dsp.iwork.entity.SurveyResponse:290") being evicted from transactional cache
2012-10-24 11:33:57,043[SpringOsgiExtenderThread-34]|DEBUG|DataNucleus.Transaction|147-org.datanucleus-3.1.1|Object "com.ge.dsp.iwork.entity.SurveyResponse@3a45cd18" (id="com.ge.dsp.iwork.entity.SurveyResponse:290") is not transactional
2012-10-24 11:33:57,043[SpringOsgiExtenderThread-34]|DEBUG|DataNucleus.Datastore|147-org.datanucleus-3.1.1|Closing PreparedStatement "org.datanucleus.store.rdbms.ParamLoggingPreparedStatement@3c9c008b"
2012-10-24 11:33:57,100[SpringOsgiExtenderThread-34]|DEBUG|DataNucleus.Transaction|147-org.datanucleus-3.1.1|Transaction created [DataNucleus Transaction, ID=Xid= ', enlisted resources=[]]
2012-10-24 11:33:57,101[SpringOsgiExtenderThread-34]|DEBUG|DataNucleus.Transaction|147-org.datanucleus-3.1.1|Transaction begun for ObjectManager org.datanucleus.ObjectManagerImpl@1326f1a6 (optimistic=true)
2012-10-24 11:33:57,104[SpringOsgiExtenderThread-34]|DEBUG|com.ge.dsp.kernel.bootloader.impl.DspServiceListener|153-dsp.kernel-0.8.0|MODIFIED
2012-10-24 11:33:57,104[SpringOsgiExtenderThread-34]|DEBUG|com.ge.dsp.kernel.bootloader.impl.DspServiceListener|153-dsp.kernel-0.8.0|ServiceReference [cxf-dosgi-ri-topology-manager] {org.osgi.service.remoteserviceadmin.EndpointListener}={endpoint.listener.scope=[(&(objectClass=org.apache.aries.blueprint.NamespaceHandler)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.aries.proxy.ProxyManager)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=javax.management.MBeanServer)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.features.FeaturesService)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.admin.AdminService)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.config.JaasRealm)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.config.KeystoreInstance)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.diagnostic.core.DumpProvider)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.features.FeaturesListener)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.config.KeystoreManager)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.modules.BackingEngineFactory)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.geronimo.osgi.registry.api.ProviderRegistry)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=javax.persistence.spi.PersistenceProvider)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.shell.commands.info.InfoProvider)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.kernel.spi.DspServiceManagerService)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=jetty)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=bean)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=direct)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=log)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(language=simple)(objectClass=org.apache.camel.spi.LanguageResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.camel.spi.TypeConverterLoader)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.kernel.spi.DspKernelPluggable)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.dsi.clustering.DspClusterManager)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.kernel.spi.DspWebServiceEnabler)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.dsi.config.ConfigurationServiceFactory)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44)))],service.id=127}
2012-10-24 11:33:57,104[SpringOsgiExtenderThread-34]|DEBUG|com.ge.dsp.kernel.bootloader.impl.DspServiceListener|153-dsp.kernel-0.8.0|Found activities of NON-DSP services: ServiceReference [cxf-dosgi-ri-topology-manager] {org.osgi.service.remoteserviceadmin.EndpointListener}={endpoint.listener.scope=[(&(objectClass=org.apache.aries.blueprint.NamespaceHandler)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.aries.proxy.ProxyManager)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=javax.management.MBeanServer)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.features.FeaturesService)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.admin.AdminService)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.config.JaasRealm)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.config.KeystoreInstance)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.diagnostic.core.DumpProvider)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.features.FeaturesListener)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.config.KeystoreManager)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.jaas.modules.BackingEngineFactory)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.geronimo.osgi.registry.api.ProviderRegistry)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=javax.persistence.spi.PersistenceProvider)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.karaf.shell.commands.info.InfoProvider)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.kernel.spi.DspServiceManagerService)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=jetty)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=bean)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=direct)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(component=log)(objectClass=org.apache.camel.spi.ComponentResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(&(language=simple)(objectClass=org.apache.camel.spi.LanguageResolver))(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=org.apache.camel.spi.TypeConverterLoader)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.kernel.spi.DspKernelPluggable)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.dsi.clustering.DspClusterManager)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.kernel.spi.DspWebServiceEnabler)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44))), (&(objectClass=com.ge.dsp.dsi.config.ConfigurationServiceFactory)(!(endpoint.framework.uuid=eae78622-cdca-4196-ab13-f298ac516e44)))],service.id=127}
2012-10-24 11:33:57,177[SpringOsgiExtenderThread-34]|ERROR|org.springframework.osgi.extender.internal.activator.ContextLoaderListener|61-org.springframework.osgi.extender-1.2.1|Application context refresh failed (OsgiBundleXmlApplicationContext(bundle=dsp.dsp-iwork, config=osgibundle:/META-INF/spring/*.xml))
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'testSubmitSurveyResponse' defined in URL [bundle://170.45:0/META-INF/spring/module-context.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Query has parameter "surveyId" supplied at execution yet the query doesnt make use of this parameter
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1455)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:609)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)[56:org.springframework.context:3.1.2.RELEASE]
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.access$1600(AbstractDelegatedExecutionApplicationContext.java:69)[60:org.springframework.osgi.core:1.2.1]
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext$4.run(AbstractDelegatedExecutionApplicationContext.java:355)[60:org.springframework.osgi.core:1.2.1]
at org.springframework.osgi.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85)[60:org.springframework.osgi.core:1.2.1]
at org.springframework.osgi.context.support.AbstractDelegatedExecutionApplicationContext.completeRefresh(AbstractDelegatedExecutionApplicationContext.java:320)[60:org.springframework.osgi.core:1.2.1]
at org.springframework.osgi.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor$CompleteRefreshTask.run(DependencyWaiterApplicationContextExecutor.java:132)[61:org.springframework.osgi.extender:1.2.1]
at java.lang.Thread.run(Thread.java:662)[:1.6.0_34]
Caused by: java.lang.IllegalArgumentException: Query has parameter "surveyId" supplied at execution yet the query doesnt make use of this parameter
at org.datanucleus.api.jpa.JPAQuery.setParameter(JPAQuery.java:440)
at org.datanucleus.api.jpa.JPAQuery.setParameter(JPAQuery.java:56)
at com.ge.dsp.iwork.persistence.JpaWorkPersistence.submitSurveyResponse(JpaWorkPersistence.java:402)
at com.ge.dsp.iwork.impl.WorkServiceImpl.submitSurveyResponse(WorkServiceImpl.java:239)
at com.ge.dsp.iwork.test.WorkServiceTest.testSubmitSurveyResponse(WorkServiceTest.java:264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.6.0_34]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)[:1.6.0_34]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)[:1.6.0_34]
at java.lang.reflect.Method.invoke(Method.java:597)[:1.6.0_34]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1581)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1522)[54:org.springframework.beans:3.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)[54:org.springframework.beans:3.1.2.RELEASE]
... 14 more
Caused by: org.datanucleus.store.query.QueryInvalidParametersException: Query has parameter "surveyId" supplied at execution yet the query doesnt make use of this parameter
at org.datanucleus.store.query.Query.applyImplicitParameterValueToCompilation(Query.java:881)
at org.datanucleus.store.query.AbstractJPQLQuery.compileInternal(AbstractJPQLQuery.java:310)
at org.datanucleus.store.rdbms.query.JPQLQuery.compileInternal(JPQLQuery.java:202)
at org.datanucleus.store.query.Query.setImplicitParameter(Query.java:799)
at org.datanucleus.store.rdbms.query.JPQLQuery.setImplicitParameter(JPQLQuery.java:147)
at org.datanucleus.api.jpa.JPAQuery.setParameter(JPAQuery.java:436)
... 25 more
答案 0 :(得分：1)
我想，没关系。但有一点是referencedColumnName的{{1}}。
更改为CustomerSurvey至referencedColumnName="surveyId"。使用大写字母是因为您使用referencedColumnName="SERVEYID"实体（Previous Post）中的大写字母。
您可以参考here。
更新答案：
当我检查您的查询CustomerSurvey时，缺少surveyResponse.getAverageRatings。我认为，它应AVG(ratings)。
AVG(surveyResponse.ratings)