SEVERE: Exception sending context initialized event to listener instance of class

[Ruba]

I am having the below error while starting Tomcat 6.0 . I cannot determine why I get this error.

SEVERE: Exception sending context initialized event to listener instance of class 
org.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.thetasp.common.report.imp.WordMLReportImp' defined in class path resource [core-spring.xml]: Cannot resolve reference to bean 'com.thetasp.common.wordml.TemplateResolver' while setting bean property 'templateResolver'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.thetasp.common.wordml.TemplateResolver' defined in class path resource [core-spring.xml]: Cannot resolve reference to bean 'com.thetasp.common.wordml.Jod3Converter' while setting bean property 'jod3Converter'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.thetasp.common.wordml.Jod3Converter' defined in class path resource [core-spring.xml]: Invocation of init method failed; nested exception is org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; Cannot create PoolableConnectionFactory (IO Error: The Network Adapter could not establish the connection); nested exception is org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (IO Error: The Network Adapter could not establish the connection) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1325) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1086) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)