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From "Jason Dillaman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-4285) HA backups continuously disconnect / re-sync after attempting to replicate a deleted queue
Date Tue, 04 Sep 2012 22:07:08 GMT
Jason Dillaman created QPID-4285:
------------------------------------

             Summary: HA backups continuously disconnect / re-sync after attempting to replicate
a deleted queue
                 Key: QPID-4285
                 URL: https://issues.apache.org/jira/browse/QPID-4285
             Project: Qpid
          Issue Type: Bug
          Components: C++ Broker
    Affects Versions: 0.18
            Reporter: Jason Dillaman


Running qmf-stat on the primary broker shows that auto-delete queue XYZ exists, but running
drain against the queue indicates that the queue does not really exist.  QMF is out-of-sync
with the true state of the queue and as a result, the deleted queue was replicated to the
backup broker.  When the backup attempted to subscribe to the queue, it received an error
that the queue was deleted which results in the backup disconnecting/reconnecting to the primary
and re-attempting the state replication.

Sample log output from backup:

Sep  4 14:51:26 itcm13 qpidd[10392]: 2012-09-04 14:51:26 [System] error resource-deleted:
Queue XYZ has been deleted. (qpid/broker/Queue.cpp:1787)
Sep  4 14:51:26 itcm13 qpidd[10392]: 2012-09-04 14:51:26 [Broker] info Inter-broker link disconnected
from 10.3.100.105:9006 Closed by peer
Sep  4 14:51:28 itcm13 qpidd[10392]: 2012-09-04 14:51:28 [System] info Connecting: 10.3.100.105:9006


Sample log output from the primary:

Sep  4 14:18:15 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:15 [HA] debug Primary:
Known backup connected: host3:9006(ready)
Sep  4 14:18:15 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:15 [HA] debug Broker:
Membership add: host3:9006(ready)
Sep  4 14:18:15 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:15 [HA] info Broker: Membership
changed: host3:9006(ready) system-node1a-cluster:9006(recovering)
Sep  4 14:18:16 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:16 [System] debug DISCONNECTED
[10.3.100.105:9006-10.3.100.13:19841]
Sep  4 14:18:16 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:16 [HA] debug Primary:
Backup disconnected: host3:9006(ready)
Sep  4 14:18:16 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:16 [HA] debug Broker:
Membership remove: 4ddb3222-e66d-4e6a-8c87-14e1a37332cf
Sep  4 14:18:16 system-node1a-cluster qpidd[8397]: 2012-09-04 14:18:16 [HA] info Broker: Membership
changed: system-node1a-cluster:9006(recovering)


Backup bracktrace:

#0  qpid::broker::Queue::checkNotDeleted (this=0x4d97f70, c=<value optimized out>) at
qpid/broker/Queue.cpp:1787
#1  0x0000003e1dbf67e4 in qpid::broker::Queue::getNextMessage (this=0x4d97f70, m=..., c=...)
at qpid/broker/Queue.cpp:385
#2  0x0000003e1dbf688e in qpid::broker::Queue::dispatch (this=<value optimized out>,
c=...) at qpid/broker/Queue.cpp:510
#3  0x00007f15139e62ba in qpid::ha::ReplicatingSubscription::getNext (q=..., from=..., result=...)
at qpid/ha/ReplicatingSubscription.cpp:116
#4  0x00007f15139e4ebe in qpid::ha::QueueReplicator::initializeBridge (this=0x3868af0, bridge=...,
sessionHandler=<value optimized out>) at qpid/ha/QueueReplicator.cpp:121




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