title: Can not start Cloudera Manger Server, because of RuntimeException: Upgrade not allowed from CM3.x
body: <p>I had trouble installing Cloudera Manager(ver 5.8.3). </p>
  
  <p>I installed cloudera-manager-agent-5.8.3-1.cm583.p0.8.el6.x86_64, 
  cloudera-manager-server-5.8.3-1.cm583.p0.8.el6.x86_64,
  cloudera-manager-daemons-5.8.3-1.cm583.p0.8.el6.x86_64 on CentOS 6.5 64bit
   -> using $rpm -Uvh [packagename]</p>
  
  <p>and installed mysql and set conf file(/etc/cloudera-manager-server/db.properties)</p>
  
  <p>but i contacted error message... </p>
  
  <p>I don't know that why occured a message about CM3...</p>
  
  <p>I just install a cloudera-manager 5.8.3 and this version not contains CM3...</p>
  
  <p>How can i solve this problem?</p>
  
  <pre><code>Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.cloudera.server.cmf.TrialState': Cannot resolve reference to bean 'entityManagerFactoryBean' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.RuntimeException: Upgrade not allowed from CM3.x.
      at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328)
      at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
      at org.springframework.beans.factory.support.ConstructorResolver.resolveConstructorArguments(ConstructorResolver.java:616)
      at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:148)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1003)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:907)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
      at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293)
      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290)
      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:192)
      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585)
      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
      at com.cloudera.server.cmf.Main.bootstrapSpringContext(Main.java:387)
      at com.cloudera.server.cmf.Main.&lt;init&gt;(Main.java:242)
      at com.cloudera.server.cmf.Main.main(Main.java:216)Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactoryBean': FactoryBean threw exception on object creation; nested exception is java.lang.RuntimeException: Upgrade not allowed from CM3.x.
      at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:149)
      at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:102)
      at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1440)
      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:247)
      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:192)
      at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322)
      ... 17 moreCaused by: java.lang.RuntimeException: Upgrade not allowed from CM3.x.
      at com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean.CM3Fail(EntityManagerFactoryBean.java:326)
      at com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean.checkVersionDoFail(EntityManagerFactoryBean.java:273)
      at com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean.getObject(EntityManagerFactoryBean.java:126)
      at com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean.getObject(EntityManagerFactoryBean.java:64)
      at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:142)
  </code></pre>