Federated source-local links crash remotely federated cluster member on local
cluster startup
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Key: QPID-2993
URL: https://issues.apache.org/jira/browse/QPID-2993
Project: Qpid
Issue Type: Bug
Components: C++ Broker, C++ Clustering
Affects Versions: 0.8
Environment: Debian Linux Squeeze, 32-bit, kernel 2.6.36.2, Dell
Poweredge 1950s. Corosync==1.3.0, Openais==1.1.4
Reporter: Mark Moseley
This is related to JIRA 2992 that I opened, but this is for source-local
routes. Given the same setup as in JIRA 2992 but using source-local routes (and
obviously with the exchanges switched accordingly in the qpid-route
statements), i.e. cluster A and cluster B with the routes between A1<->B1, when
cluster B shuts down in the order B2->B1 and starts back up, the static routes
are not correctly re-bound on cluster A's side. However if cluster B is shut
down in the order B1->B2 and started back up, the route is correctly created
and works. However in the non-functioning case (B2->B1, or A2->A1), there is an
additional side-effect: on node A2, qpidd crashes with the following error
(cluster A is called 'walclust', B is bosclust):
2011-01-07 18:57:35 error Channel exception: not-attached: Channel 1 is not
attached (qpid/amqp_0_10/SessionHandler.cpp:39)
2011-01-07 18:57:35 critical cluster(102.0.0.0:13650 READY/error) local error
2030 did not occur on member 101.0.0.0:9920: not-attached: Channel 1 is not
attached (qpid/amqp_0_10/SessionHandler.cpp:39)
2011-01-07 18:57:35 critical Error delivering frames: local error did not occur
on all cluster members : not-attached: Channel 1 is not attached
(qpid/amqp_0_10/SessionHandler.cpp:39) (qpid/cluster/ErrorCheck.cpp:89)
2011-01-07 18:57:35 notice cluster(102.0.0.0:13650 LEFT/error) leaving cluster
walclust
2011-01-07 18:57:35 notice Shut down
This happens on both sides of the cluster, so it's not limited to one or the
other. This crash does *not* occur in the A1->A2/B1->B2 test (i.e. the test
where the route is re-bound correctly). I can cause this to reoccur pretty much
every time. I've been resetting the cluster completely to a new state between
each test. Occasionally in the B2->B1 test, A1 will also crash with the same
error (and vice versa for A2->A1 for node B1), though most of the time, it's
A2/B2 that crashes.
I was getting this same behaviour prior to upgrading corosync/openais as well.
Previously I was using the stock Squeeze versions of corosync==1.2.1 and
openais==1.1.2. The results are the same with corosync=1.3.0 and openais==1.1.4.
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