Erorr for Spring configuration file

if getting error
Error creating bean with name 'businessBeanFactory' defined in URL [file:/C:/Sun/AppServer/domains/domain1/applications/j2ee-modules/contracts-ejb/beanRefContext.xml]: Instantiation of bean failed; ...
...to convert value of type [java.lang.String] to required type [org.springframework.context.ApplicationContext]; nested exception is java.lang.IllegalArgumentException: Cannot convert value of type [java.lang.String] to required type

** Check Database conntection.