Error creating bean with name 'processEngine' defined in ServletContext resource

[才是真的撒]

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'processEngine' defined in ServletContext resource [/WEB-INF/smart/application-context-smart.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.jbpm.api.ProcessEngine org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine()] threw exception; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:581) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:983) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:879) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895) ~[spring.context-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425) ~[spring.context-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276) ~[spring.web-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197) ~[spring.web-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) [spring.web-3.0.5.jar:3.0.5.RELEASE]
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4205) [catalina.jar:6.0.32]
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4704) [catalina.jar:6.0.32]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) [catalina.jar:6.0.32]
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) [catalina.jar:6.0.32]
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) [catalina.jar:6.0.32]
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079) [catalina.jar:6.0.32]
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002) [catalina.jar:6.0.32]
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506) [catalina.jar:6.0.32]
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1315) [catalina.jar:6.0.32]
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) [catalina.jar:6.0.32]
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) [catalina.jar:6.0.32]
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061) [catalina.jar:6.0.32]
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) [catalina.jar:6.0.32]
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) [catalina.jar:6.0.32]
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) [catalina.jar:6.0.32]
at org.apache.catalina.core.StandardService.start(StandardService.java:525) [catalina.jar:6.0.32]
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) [catalina.jar:6.0.32]
at org.apache.catalina.startup.Catalina.start(Catalina.java:595) [catalina.jar:6.0.32]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_45]
at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_45]
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) [bootstrap.jar:6.0.32]
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) [bootstrap.jar:6.0.32]
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Factory method [public org.jbpm.api.ProcessEngine org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine()] threw exception; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:157) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:570) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
... 38 common frames omitted
Caused by: org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:596) ~[spring.orm-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371) ~[spring.transaction-3.0.5.jar:3.0.5.RELEASE]
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:127) ~[spring.transaction-3.0.5.jar:3.0.5.RELEASE]
at org.jbpm.pvm.internal.tx.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:49) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:56) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.processengine.ProcessEngineImpl.checkDb(ProcessEngineImpl.java:152) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.processengine.SpringProcessEngine.create(SpringProcessEngine.java:70) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.cfg.ConfigurationImpl.buildProcessEngine(ConfigurationImpl.java:90) ~[jbpm.jar:na]
at org.jbpm.pvm.internal.processengine.SpringHelper.createProcessEngine(SpringHelper.java:50) ~[jbpm.jar:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_45]
at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_45]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:145) ~[spring.beans-3.0.5.jar:3.0.5.RELEASE]
... 39 common frames omitted
Caused by: org.hibernate.exception.GenericJDBCException: Cannot open connection
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126) ~[hibernate-3.3.2.jar:na]
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114) ~[hibernate-3.3.2.jar:na]
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) ~[hibernate-3.3.2.jar:na]
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52) ~[hibernate-3.3.2.jar:na]
at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449) ~[hibernate-3.3.2.jar:na]
at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) ~[hibernate-3.3.2.jar:na]
at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:142) ~[hibernate-3.3.2.jar:na]
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:85) ~[hibernate-3.3.2.jar:na]
at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1354) ~[hibernate-3.3.2.jar:na]
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:555) ~[spring.orm-3.0.5.jar:3.0.5.RELEASE]
... 54 common frames omitted
Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118) ~[mchange-commons-java-0.2.9.jar:0.2.9]
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:690) ~[c3p0-0.9.5.jar:0.9.5]
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(Ab