am getting the error when am running the demo prog of struts 2 person inf.

org.springframework.beans.factory.BeanCreationException: Error creating bean
with name
'org.springframework.transaction.interceptor.TransactionAttributeSourceAdvisor':
Cannot create inner bean '(inner bean)' of type
[org.springframework.transaction.interceptor.TransactionInterceptor] while
setting bean property 'transactionInterceptor'; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name '(inner bean)': Cannot resolve reference to bean
'transactionManager' while setting bean property 'transactionManager';
nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'transactionManager' defined in ServletContext
resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean
'entityManagerFactory' while setting bean property 'entityManagerFactory';
nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'entityManagerFactory' defined in
ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of
init method failed; nested exception is java.lang.NoClassDefFoundError:
org/jboss/util/file/ArchiveBrowser$Filter
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name '(inner bean)': Cannot resolve reference to bean
'transactionManager' while setting bean property 'transactionManager';
nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'transactionManager' defined in ServletContext
resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean
'entityManagerFactory' while setting bean property 'entityManagerFactory';
nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'entityManagerFactory' defined in
ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of
init method failed; nested exception is java.lang.NoClassDefFoundError:
org/jboss/util/file/ArchiveBrowser$Filter
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'transactionManager' defined in ServletContext
resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean
'entityManagerFactory' while setting bean property 'entityManagerFactory';
nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'entityManagerFactory' defined in
ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of
init method failed; nested exception is java.lang.NoClassDefFoundError:
org/jboss/util/file/ArchiveBrowser$Filter
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'entityManagerFactory' defined in ServletContext
resource [/WEB-INF/applicationContext.xml]: Invocation of init method
failed; nested exception is java.lang.NoClassDefFoundError:
org/jboss/util/file/ArchiveBrowser$Filter
Caused by: java.lang.NoClassDefFoundError:
org/jboss/util/file/ArchiveBrowser$Filter
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