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Injection of persistence fields failed

From: Eve Pokua <gorgeous65_at_msn.com>
Date: Mon, 30 Nov 2009 16:55:08 +0000

Hello everyone,

 

I am using EJB3 with Springframe and webflow.

 

I get the following error when I try to call this method-

 

@Override
 public List<Baleent> getBales() {
  List<Baleent> list = new ArrayList<Baleent>(bales.values());
  Collections.sort(list);
    try{
                   list=(List<Baleent>)em.createNamedQuery("getAllBales").getResultList();

                 return list;
                }catch (Exception ex) {

                    System.err.println("Can not get all bales");
            throw new EJBException(ex);
        }
 }

 

 

Server error --

 

[#|2009-11-30T16:49:18.454+0000|SEVERE|sun-appserver2.1|javax.enterprise.system.container.web|_ThreadID=21;_ThreadName=httpSSLWorkerThread-8080-0;_RequestID=b8c31204-20a1-46b1-bd79-83c7dc1b3fbd;|StandardWrapperValve[dispatcher]: PWC1382: Allocate exception for servlet dispatcher
org.springframework.beans.factory.NoSuchBeanDefinitionException: No unique bean of type [javax.persistence.EntityManagerFactory] is defined: expected single bean but found 0
 at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findDefaultEntityManagerFactory(PersistenceAnnotationBeanPostProcessor.java:514)
 at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findEntityManagerFactory(PersistenceAnnotationBeanPostProcessor.java:473)
 at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.resolveEntityManager(PersistenceAnnotationBeanPostProcessor.java:599)
 at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.getResourceToInject(PersistenceAnnotationBeanPostProcessor.java:570)
 at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:180)
 at org.springframework.beans.factory.annotation.InjectionMetadata.injectFields(InjectionMetadata.java:105)
 at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessAfterInstantiation(PersistenceAnnotationBeanPostProcessor.java:308)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:959)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByName(AbstractAutowireCapableBeanFactory.java:1029)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:977)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
 at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
 at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:402)
 at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:316)
 at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:282)
 at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:126)
 at javax.servlet.GenericServlet.init(GenericServlet.java:270)
 at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1194)
 at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:848)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
 at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
 at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:288)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:647)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:579)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:831)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)
 at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
|#]

 

 

I have using this method before with out spring and it works.

 

Any suggestions apprecaited.

 

Thanking you in advance.

 

eve

 

 
                                               
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