[jboss-user] [JBoss Cache Users] - upgradeLock(): failed

We are attempting to get the second level cache going within JBoss 4.2.2 under anything more then a little load we start getting many upgradeLock exceptions. I haven't been able to find any information on the exception or how to troubleshoot it. 6:41:00,973 ERROR Line: 124 [org.jboss.cache.lock.ReadWriteLockWithUpgrade] upgradeLock(): failed | 16:41:00,979 ERROR Line: 301 [org.hibernate.event.def.AbstractFlushingEventListener] Could not synchronize database state with session | org.hibernate.cache.CacheException: org.jboss.cache.lock.UpgradeException failure upgrading lock: fqn=/MeetMoi_ear,mDate-ejb_jar,matching-ejbPU/com/mdate/ejb/matching/UserCacheEntity/com.mdate.ejb.matching.UserCacheEntity#8889CAE0CFD2F407013079880AD89C6D, caller=GlobalTransaction:<192.168.1.186:40795>:40, lock=read owners=[GlobalTransaction:<192.168.1.186:40795>:38] (activeReaders=1, activeWriter=null, waitingReaders=1, waitingWriters=0, waitingUpgrader=0) | Thanks J View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4265375#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...