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org.jboss.cache.lock.TimeoutException: write lock for //net/sf/hibernate/cache/UpdateTimestampsCache/T_TKOP could not be acquired after 15000 ms. Locks: Read lock owners: 
Write lock owner: <A:1772>:2
(caller=Thread[Servlet.Engine.Transports : 0,5,main], lock info: write owner=<A:1772>:2 (activeReaders=0, activeWriter=Thread[Servlet.Engine.Transports : 0,5,main], waitingReaders=0, waitingWriters=0, waitingUpgrader=0))