cloudera-scm-server启动出现Error creating bean with name 'entityManagerFactoryBean'与HHH010003: JDBC Driver class not found: com.mysql.jdbc.Driver错误解决办法（图文详解）

　

　　不多说，直接上干货！

　　问题详情

-- ::, INFO main:com.cloudera.server.cmf.Main: Starting SCM Server. JVM Args: [-Dlog4j.configuration=file:/etc/cloudera-scm-server/log4j.properties, -Dfile.encoding=UTF-, -Dcmf.root.logger=INFO,LOGFILE, -Dcmf.log.dir=/var/log/cloudera-scm-server, -Dcmf.log.file=cloudera-scm-server.log, -Dcmf.jetty.threshhold=WARN, -Dcmf.schema.dir=/usr/share/cmf/schema, -Djava.awt.headless=true, -Djava.net.preferIPv4Stack=true, -Dpython.home=/usr/share/cmf/python, -XX:+UseConcMarkSweepGC, -XX:+UseParNewGC, -XX:+HeapDumpOnOutOfMemoryError, -Xmx2G, -XX:MaxPermSize=256m, -XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath=/tmp, -XX:OnOutOfMemoryError=kill - %p], Args: [], Version: 5.11. (# built by jenkins on - git: 8adcfb8545cb0a35f590717b2626a9ea04948dae)
-- ::, INFO main:org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
-- ::, INFO main:org.springframework.context.support.ClassPathXmlApplicationContext: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@60f9d924: startup date [Mon Jul  :: CST ]; root of context hierarchy
-- ::, INFO main:org.springframework.beans.factory.xml.XmlBeanDefinitionReader: Loading XML bean definitions from class path resource [webapp/WEB-INF/spring/beanRefFactory.xml]
-- ::, INFO main:org.springframework.beans.factory.support.DefaultListableBeanFactory: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@: defining beans [bootstrapContext,rootContext]; root of factory hierarchy
-- ::, INFO main:org.springframework.context.support.GenericApplicationContext: Refreshing org.springframework.context.support.GenericApplicationContext@6eeae9f1: startup date [Mon Jul  :: CST ]; root of context hierarchy
-- ::, INFO main:org.springframework.beans.factory.support.DefaultListableBeanFactory: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@67a81efd: defining beans [commandLineConfigurationBean,entityManagerFactoryBean,com.cloudera.server.cmf.TrialState,com.cloudera.server.cmf.TrialManager,com.cloudera.cmf.crypto.LicenseLoader]; root of factory hierarchy
-- ::, INFO main:com.cloudera.enterprise.CommonMain: Reading database properties from /etc/cloudera-scm-server/db.properties
-- ::, INFO main:com.cloudera.enterprise.CommonMain: Statistics not enabled, c3p0 JMX disabled
-- ::, INFO main:org.hibernate.annotations.common.Version: HCANN000001: Hibernate Commons Annotations {4.0..Final}
-- ::, INFO main:org.hibernate.Version: HHH000412: Hibernate Core {4.2..Final}
-- ::, INFO main:org.hibernate.cfg.Environment: HHH000206: hibernate.properties not found
-- ::, INFO main:org.hibernate.cfg.Environment: HHH000021: Bytecode provider name : javassist
-- ::, INFO main:org.hibernate.cfg.Configuration: HHH000221: Reading mappings from resource: cmf.hbm.xml
-- ::, INFO main:org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator: HHH000130: Instantiating explicit connection provider: org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider
-- ::, INFO main:org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider: HHH010002: C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/scm?useUnicode=true&characterEncoding=UTF-8
-- ::, INFO main:org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider: HHH000046: Connection properties: {user=scm, password=****, autocommit=true, release_mode=auto}
-- ::, INFO main:org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider: HHH000006: Autocommit mode: true
-- ::, INFO main:org.springframework.beans.factory.support.DefaultListableBeanFactory: Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@67a81efd: defining beans [commandLineConfigurationBean,entityManagerFactoryBean,com.cloudera.server.cmf.TrialState,com.cloudera.server.cmf.TrialManager,com.cloudera.cmf.crypto.LicenseLoader]; root of factory hierarchy
-- ::, ERROR main:com.cloudera.server.cmf.Main: Server failed.
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 javax.persistence.PersistenceException: [PersistenceUnit: cmf.server] Unable to build EntityManagerFactory
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:)
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:)
    at org.springframework.beans.factory.support.ConstructorResolver.resolveConstructorArguments(ConstructorResolver.java:)
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractBeanFactory$.getObject(AbstractBeanFactory.java:)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:)
    at com.cloudera.server.cmf.Main.bootstrapSpringContext(Main.java:)
    at com.cloudera.server.cmf.Main.<init>(Main.java:)
    at com.cloudera.server.cmf.Main.main(Main.java:)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactoryBean': FactoryBean threw exception on object creation; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: cmf.server] Unable to build EntityManagerFactory
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:)
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:)
    at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:)
    ...  more
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: cmf.server] Unable to build EntityManagerFactory
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:)
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:)
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:)
    at com.cloudera.enterprise.CommonMain.setupHibernate(CommonMain.java:)
    at com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean.getObject(EntityManagerFactoryBean.java:)
    at com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean.getObject(EntityManagerFactoryBean.java:)
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:)
    ...  more
Caused by: org.hibernate.service.classloading.spi.ClassLoadingException: HHH010003: JDBC Driver class not found: com.mysql.jdbc.Driver
    at org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider.configure(C3P0ConnectionProvider.java:)
    at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:)
    at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess(JdbcServicesImpl.java:)
    at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:)
    at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:)
    at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:)
    at org.hibernate.ejb.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:)
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:)
    ...  more
Caused by: org.hibernate.service.classloading.spi.ClassLoadingException: Unable to load class [com.mysql.jdbc.Driver]
    at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:)
    at org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider.configure(C3P0ConnectionProvider.java:)
    ...  more
Caused by: java.lang.ClassNotFoundException: Could not load requested class : com.mysql.jdbc.Driver
    at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl$AggregatedClassLoader.findClass(ClassLoaderServiceImpl.java:)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:)
    at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:)
    ...  more
root@nssa-sensor1:/var/log/cloudera-scm-server# 

　　问题分析

　　　　其实啊，这个问题不难，它是属于启动后，自己又快速地挂掉了。

　　解决办法

　　首先，

　　/etc/cloudera-scm-server/db.properties file is removed

　　清空删除这所有的db.properties配置文件

　　　　同时，很明显，是JDBC的问题

　　官网地址是

https://www.cloudera.com/documentation/enterprise/5-5-x/topics/cm_ig_mysql.html

　　其次，还要

　　然后，问题一定可以解决了

 

 参考

http://www.cnblogs.com/spec-dog/p/4664944.html

http://www.lai18.com/content/4789071.html

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