Http Sessions Lock up.
----------------------

                 Key: CDV-836
                 URL: https://jira.terracotta.org/jira//browse/CDV-836
             Project: Community Development
          Issue Type: Bug
          Components: Sessions
    Affects Versions: 2.5.2
            Reporter: Fernando Padilla
            Assignee: Issue Review Board
         Attachments: catalina.out.080807213852-dump

After running for under 24 hours our server freezes up.  And it looks like all 
400 tomcat threads are tied up waiting for their sessions.


"http-8086-Processor67" daemon prio=1 tid=0x0000002b080465b0 nid=0x7370 in 
Object.wait() [0x000000004dc29000..0x000000004dc2acb0]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:474)
        at 
com.tc.object.lockmanager.impl.ClientLock.waitForLock(ClientLock.java:597)
        - locked <0x0000002aae5a6a50> (a java.lang.Object)
        at 
com.tc.object.lockmanager.impl.ClientLock.basicLock(ClientLock.java:212)
        at com.tc.object.lockmanager.impl.ClientLock.lock(ClientLock.java:117)
        at com.tc.object.lockmanager.impl.ClientLock.lock(ClientLock.java:107)
        at 
com.tc.object.lockmanager.impl.ClientLockManagerImpl.lock(ClientLockManagerImpl.java:225)
        at 
com.tc.object.lockmanager.impl.ThreadLockManagerImpl.lock(ThreadLockManagerImpl.java:46)
        at 
com.tc.object.tx.ClientTransactionManagerImpl.begin(ClientTransactionManagerImpl.java:181)
        at com.tc.object.bytecode.ManagerImpl.begin(ManagerImpl.java:321)
        at com.tc.object.bytecode.ManagerImpl.beginLock(ManagerImpl.java:298)
        at com.tc.object.bytecode.ManagerUtil.beginLock(ManagerUtil.java:200)
        at com.terracotta.session.util.Lock.getWriteLock(Lock.java:36)
        at 
com.terracotta.session.util.DefaultSessionId.getWriteLock(DefaultSessionId.java:58)
        at 
com.terracotta.session.SessionDataStore.find(SessionDataStore.java:83)
        at 
com.terracotta.session.TerracottaSessionManager.doGetSession(TerracottaSessionManager.java:431)
        at 
com.terracotta.session.TerracottaSessionManager.getSession(TerracottaSessionManager.java:335)
        at 
com.terracotta.session.SessionRequest.getTerracottaSession(SessionRequest.java:108)
        at 
com.terracotta.session.SessionRequest.getSession(SessionRequest.java:66)
        at 
com.protrade.facebook.base.USSPFacebook.addUsspConfigToSession(USSPFacebook.java:107)
        at 
com.protrade.facebook.base.USSPFacebook.newUnifiedSocialServices(USSPFacebook.java:202)
        at 
com.protrade.unifiedsocial.USSPCollection.newUnifiedSocialServices(USSPCollection.java:48)
        at 
com.protrade.unifiedsocial.filters.USSPFilter.handle(USSPFilter.java:37)
        at 
com.protrade.unifiedsocial.filters.USSPFilter.doFilter(USSPFilter.java:29)
        at 
com.protrade.common.web.ProtradeFilter.doFilter(ProtradeFilter.java:50)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)


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