??????????????Could not create connection to database server.??
??????????????????



beiweib...@163.com
 
???????? 942858989
?????????? 2018-09-11 15:34
???????? users-cn
?????? ????cloudstack ????????
????????????ERROR [c.c.u.d.Merovingian2] (main:null) Unable to get a new db 
connection
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not 
create connection to database server. Attempted reconnect 3 times. Giving up.
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 com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2238)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2159)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
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 com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
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:203)
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:3972)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4467)
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:119)
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: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 
Communications link failure
 
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