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 loveg...@126.com
