title: An error about initializing bean and property
body: <p>The error information I got:</p>
  
  <pre><code>WARN  [main] [ClassPathXmlApplicationContext] Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'integrationObjectAudit' defined in class path resource [../resources/integrationobjectaudit-sprint.xml]: Cannot resolve reference to bean 'defaultFlexibleSearchService' while setting bean property 'flexibleSearchService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'defaultFlexibleSearchService' defined in class path resource [../resources/integrationobjectaudit-sprint.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException: Current tenant for servicede.hybris.platform.servicelayer.search.impl.DefaultFlexibleSearchService@378cfecf should be not null
  Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'integrationObjectAudit' defined in class path resource [../resources/integrationobjectaudit-sprint.xml]: Cannot resolve reference to bean 'defaultFlexibleSearchService' while setting bean property 'flexibleSearchService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'defaultFlexibleSearchService' defined in class path resource [../resources/integrationobjectaudit-sprint.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException: Current tenant for servicede.hybris.platform.servicelayer.search.impl.DefaultFlexibleSearchService@378cfecf should be not null
      at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:314)
      at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:110)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1681)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1433)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
      at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)
      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)
      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:845)
      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)
      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
      at org.springframework.context.support.ClassPathXmlApplicationContext.&lt;init&gt;(ClassPathXmlApplicationContext.java:144)
      at org.springframework.context.support.ClassPathXmlApplicationContext.&lt;init&gt;(ClassPathXmlApplicationContext.java:85)
      at de.hybris.platform.integrationservices.audit.IntegrationObjectAuditTest.main(IntegrationObjectAuditTest.java:17)
  Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'defaultFlexibleSearchService' defined in class path resource [../resources/integrationobjectaudit-sprint.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException: Current tenant for servicede.hybris.platform.servicelayer.search.impl.DefaultFlexibleSearchService@378cfecf should be not null
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1778)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
      at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)
      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)
      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
      at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:303)
      ... 15 more
  Caused by: java.lang.NullPointerException: Current tenant for servicede.hybris.platform.servicelayer.search.impl.DefaultFlexibleSearchService@378cfecf should be not null
      at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:895)
      at de.hybris.platform.servicelayer.internal.service.AbstractService.afterPropertiesSet(AbstractService.java:66)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1837)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1774)
      ... 22 more
  </code></pre>