XWorkTransactionInterceptor commits transaction even when its marked as rollback only

2007-11-29 17:15:12,741 ERROR [tcpConnection-8080-0] [opensymphony.webwork.dispatcher.ServletDispatcher] serviceAction Could not execute action
 -- url: /confluence/admin/users/creategroup.action | userName: a
org.springframework.transaction.UnexpectedRollbackException: Transaction rolled back because it has been marked as rollback-only
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:626)
	at com.atlassian.xwork.interceptors.XWorkTransactionInterceptor$1.beforeResult(XWorkTransactionInterceptor.java:89)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:181)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.intercept(DefaultWorkflowInterceptor.java:55)
	at com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:39)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	at com.atlassian.confluence.core.ConfluenceValidationInterceptor.intercept(ConfluenceValidationInterceptor.java:16)
	at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)

2008-03-01 13:48:05,575 ERROR [resin-tcp-connection-j2ee.confluence.atlassian.com:8080-57] [atlassian.xwork.interceptors.XWorkTransactionInterceptor] onThrowable Attempted rollback caused exception: org.springframework.transaction.IllegalTransactionStateException: Transaction is already completed - do not call commit or rollback more than once per transaction
 -- url: /pages/viewpage.action | userName: anonymous | referrer: none
org.springframework.transaction.IllegalTransactionStateException: Transaction is already completed - do not call commit or rollback more than once per transaction
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:725)
        at com.atlassian.xwork.interceptors.XWorkTransactionInterceptor.onThrowable(XWorkTransactionInterceptor.java:162)
        at com.atlassian.xwork.interceptors.XWorkTransactionInterceptor.intercept(XWorkTransactionInterceptor.java:105)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
        at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
        at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115)
        at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:229)