Deadlocks in SQL Server in OS_PROPERTYENTRY table

2010-04-06 13:51:14,269 ERROR [http-80-13] [sf.hibernate.util.JDBCExceptionReporter] logExceptions Transaction (Process ID 149) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
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2010-04-06 13:51:14,269 ERROR [http-80-13] [sf.hibernate.impl.SessionImpl] execute Could not synchronize database state with session
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2010-04-06 13:51:14,269 ERROR [http-80-13] [atlassian.xwork.interceptors.TransactionalInvocation] commitOrRollbackTransaction Action /pages/viewpage.action (ViewPageAction28.execute()) is already completed and can not be committed again.
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2010-04-06 13:51:14,269 ERROR [http-80-13] [atlassian.confluence.servlet.ConfluenceServletDispatcher] sendError Could not execute action
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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.TransactionalInvocation.commitOrRollbackTransaction(TransactionalInvocation.java:93)