[jboss-jira] [JBoss JIRA] Created: (JBCACHE-1234) Region activation requests partial state transfer from wrong nodes

[Brian Stansberry (JIRA)]

Region activation requests partial state transfer from wrong nodes
------------------------------------------------------------------

                 Key: JBCACHE-1234
                 URL: http://jira.jboss.com/jira/browse/JBCACHE-1234
             Project: JBoss Cache
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Clustering
    Affects Versions: 2.1.0.CR2, 1.4.1.SP7, 2.0.0.GA
            Reporter: Brian Stansberry
         Assigned To: Brian Stansberry
            Priority: Critical
             Fix For: 1.4.1.SP8, 2.1.0.GA


When requesting partial state transfer as part of activating a region, we are asking for state from the wrong nodes:

            // Get the state from each DataOwner and integrate in their
            // respective buddy backup cache
            List<Address> buddies = buddyManager.getBuddyAddresses();
            for (Address buddy : buddies)
            {
               List<Address> sources = new ArrayList<Address>(1);
               sources.add(buddy);
               Fqn buddyRoot = BuddyManager.getBackupFqn(buddy, fqn);
               subtreeRoot = cache.findNode(buddyRoot);
               ....
               cache.fetchPartialState(sources, fqn, subtreeRoot.getFqn());
            }
         }

BuddyManager.getBuddyAddresses() returns the nodes who are backing up *our* data, not those for whom we are serving as a buddy. We want the state for the latter.  This comes from the package-private BuddyManager.buddyGroupsIParticipateIn field, so BuddyManager is going to have to expose that somehow.

-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira