Spring @春季施工后给出的错误 @服务 公共类SystemPropertiesServiceImpl实现SystemPropertiesService { @自动连线 私有系统属性dao系统属性dao； 私有静态最终属性systemProperties=新属性（）

@春季施工后给出的错误

@服务
公共类SystemPropertiesServiceImpl实现SystemPropertiesService
{
@自动连线
私有系统属性dao系统属性dao；
私有静态最终属性systemProperties=新属性（）；
@施工后
公共void loadSystemProperties（）{
List allProperties=systemPropertiesDao.retrieveAll（）；
for（SystemProperties属性：allProperties）
{
put（property.getKey（），property.getValue（））；
}
String flag=systemProperties.getProperty（“flag，null”）；
}
}
org.springframework.beans.factory.BeanCreationException:创建名为“EmailService”的bean时出错：自动关联依赖项注入失败；嵌套异常为org.springframework.beans.factory.BeanCreationException:无法自动关联字段：jm.gov.agd.common.service.SystemPropertiesService jm.gov.agd.common.service.impl.EmailServiceImpl.systemPropertiesService；嵌套异常为org.springframework.beans.factory.BeanCreationException:创建名为“systemPropertiesServiceImpl”的bean时出错：调用init方法失败；嵌套异常为org.springframework.orm.jpa.JpaSystemException:无法获取当前线程的事务同步会话；嵌套异常n为org.hibernate.HibernateException:无法获取当前线程的事务同步会话
在org.springframework.beans.factory.annotation.AutowiredNotationBeanPostProcessor.postProcessPropertyValues（AutowiredNotationBeanPostProcessor.java:334）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBeanFactory.java:1214）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:543）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:482）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject（AbstractBeanFactory.java:306）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:230）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:302）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:197）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.beans.factory.support.DefaultListableBeanFactory.PreInstanceSingleton（DefaultListableBeanFactory.java:772）~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:839）~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:538）~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.boot.SpringApplication.refresh（SpringApplication.java:766）~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
在org.springframework.boot.SpringApplication.createAndRefreshContext（SpringApplication.java:361）~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
在org.springframework.boot.SpringApplication.run（SpringApplication.java:307）~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
在org.springframework.boot.test.SpringApplicationContextLoader.loadContext（SpringApplicationContextLoader.java:98）[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
在org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal（DefaultCacheAwareContextLoaderDelegate.java:98）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext（DefaultCacheAwareContextLoaderDelegate.java:116）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
位于org.springframework.test.context.support.DefaultTestContext.getApplicationContext（DefaultTestContext.java:83）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
位于org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies（DependencyInjectionTestExecutionListener.java:117）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance（DependencyInjectionTestExecutionListener.java:83）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.test.context.TestContextManager.prepareTestInstance（TestContextManager.java:228）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest（SpringJUnit4ClassRunner.java:230）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall（SpringJUnit4ClassRunner.java:289）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
位于org.junit.internal.runners.model.ReflectVeCallable.run（reflectVeCallable.java:12）[junit-4.12.jar:4.12]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock（SpringJUnit4ClassRunner.java:291）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:249）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:89）[spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
在org.junit.runners.ParentRunner$3.run（ParentRunner.java:290）[junit-4.12.jar:4.12]
在org.junit.runner
@Service
public class SystemPropertiesServiceImpl implements SystemPropertiesService 
{
  @Autowired
  private SystemPropertiesDao systemPropertiesDao;     

  private static final Properties systemProperties = new Properties();

  @PostConstruct
  public void loadSystemProperties(){
      List<SystemProperties> allProperties = systemPropertiesDao.retrieveAll();
      for ( SystemProperties propertie : allProperties)
      {
         systemProperties.put( propertie.getKey() , propertie.getValue()) ;
      }
      String flag = systemProperties.getProperty( "Flag,null );
  }
}

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'EmailService': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: jm.gov.agd.common.service.SystemPropertiesService jm.gov.agd.common.service.impl.EmailServiceImpl.systemPropertiesService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'systemPropertiesServiceImpl': Invocation of init method failed; nested exception is org.springframework.orm.jpa.JpaSystemException: Could not obtain transaction-synchronized Session for current thread; nested exception is org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766) ~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361) ~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at org.springframework.boot.test.SpringApplicationContextLoader.loadContext(SpringApplicationContextLoader.java:98) [spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:98) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:116) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:83) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:228) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:230) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:249) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-4.2.6.RELEASE.jar:4.2.6 .RELEASE]
at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]...