cloudstack4.4 管理节点集群式服务

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Required Settings
Be sure you have set the following in db.properties:
db.ha.enabled: set to true if you want to use the replication feature.
Example: db.ha.enabled=true
db.cloud.slaves: set to a comma-delimited set of slave hosts for the cloud database. This is the list of nodes set up with replication. The master node is not in the list, since it is already mentioned elsewhere in the properties file.
Example: db.cloud.slaves=node2,node3,node4
db.usage.slaves: set to a comma-delimited set of slave hosts for the usage database. This is the list of nodes set up with replication. The master node is not in the list, since it is already mentioned elsewhere in the properties file.
Example: db.usage.slaves=node2,node3,node4
按照以上操作后，出现如下错误，不知为何?
PS：DB的主从已OK


INFO [c.c.u.d.T.Transaction] (main:null) Is Data Base High Availiability enabled? Ans : true 
INFO [c.c.u.d.T.Transaction] (main:null) The slaves configured for Cloud Data base is/are : cimmuk02,cimmuk03,cimmuk04 
ERROR [c.c.u.d.Merovingian2] (main:null) Unable to get a new db connection 
java.sql.SQLException: Invalid load balancing strategy 'com.cloud.utils.db.StaticStrategy'. 
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:934) 
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931) 
at com.mysql.jdbc.Util.loadExtensions(Util.java:588) 
at com.mysql.jdbc.LoadBalancingConnectionProxy.<init>(LoadBalancingConnectionProxy.java:280) 
at com.mysql.jdbc.FailoverConnectionProxy.<init>(FailoverConnectionProxy.java:66) 
at com.mysql.jdbc.NonRegisteringDriver.connectFailover(NonRegisteringDriver.java:382) 
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:301) 
at java.sql.DriverManager.getConnection(DriverManager.java:571) 
at java.sql.DriverManager.getConnection(DriverManager.java:215) 
at org.apache.commons.dbcp.DriverManagerConnectionFactory.createConnection(DriverManagerConnectionFactory.java:75) 
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582) 
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1188) 
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106) 
at com.cloud.utils.db.TransactionLegacy.getStandaloneConnectionWithException(TransactionLegacy.java:202) 
at com.cloud.utils.db.Merovingian2.<init>(Merovingian2.java:68) 
at com.cloud.utils.db.Merovingian2.createLockMaster(Merovingian2.java:80) 
at com.cloud.server.LockMasterListener.<init>(LockMasterListener.java:33) 
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148) 
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:121) 
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:280) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1045) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:949) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) 
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) 
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) 
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) 
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) 
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:628) 
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932) 
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet.loadContext(DefaultModuleDefinitionSet.java:145) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet$2.with(DefaultModuleDefinitionSet.java:122) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet.withModule(DefaultModuleDefinitionSet.java:245) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet.withModule(DefaultModuleDefinitionSet.java:250) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet.withModule(DefaultModuleDefinitionSet.java:233) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet.loadContexts(DefaultModuleDefinitionSet.java:117) 
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitionSet.load(DefaultModuleDefinitionSet.java:79) 
at org.apache.cloudstack.spring.module.factory.ModuleBasedContextFactory.loadModules(ModuleBasedContextFactory.java:37) 
at org.apache.cloudstack.spring.module.factory.CloudStackSpringContext.init(CloudStackSpringContext.java:70) 
at org.apache.cloudstack.spring.module.factory.CloudStackSpringContext.<init>(CloudStackSpringContext.java:57) 
at org.apache.cloudstack.spring.module.factory.CloudStackSpringContext.<init>(CloudStackSpringContext.java:61) 
at org.apache.cloudstack.spring.module.web.CloudStackContextLoaderListener.contextInitialized(CloudStackContextLoaderListener.java:52) 
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4210) 
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4709) 
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) 
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) 
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526) 
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041) 
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964) 
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) 
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277) 
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321) 
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) 
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) 
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722) 
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) 
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) 
at org.apache.catalina.core.StandardService.start(StandardService.java:516) 
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) 
at org.apache.catalina.startup.Catalina.start(Catalina.java:593) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:606) 
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) 
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) 
Caused by: java.lang.ClassNotFoundException: com.cloud.utils.db.StaticStrategy 
at java.net.URLClassLoader$1.run(URLClassLoader.java:366) 
at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 
at java.security.AccessController.doPrivileged(Native Method) 
at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 
at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 
at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 
at java.lang.Class.forName0(Native Method) 
... 70 more


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