Working my way through the code and the debug log from
the test, I see that the ZooKeeper group is getting emptied
out after session expiration occurs:
before the timeout:
2015-03-10 12:09:50,614 | DEBUG | ActiveMQ Task | ZooKeeper group for
0000000001 changed: Map(foo ->
ListBuffer((0000000000,{"id":"foo","container":null,"address":"tcp://localhost:62092","position":-1,"weight":1,"elected":"0000000000"}),
(0000000001,{"id":"foo","container":null,"address":null,"position":-1,"weight":1,"elected":null}),
(0000000002,{"id":"foo","container":null,"address":null,"position":-1,"weight":1,"elected":null})))
after the timeout:
2015-03-10 12:10:53,490 | DEBUG | ZooKeeper state change dispatcher thread
| ZooKeeper group for 0000000001 changed: Map()
On Sat, Mar 7, 2015 at 8:52 PM, James A. Robinson <j...@highwire.org> wrote:
> I think I've got the use a case represented for
>
> https://issues.apache.org/jira/browse/AMQ-5082
>
> I could use some advice from others to confirm whether
> or not the underlying assumptions behind my test are valid.
>
> My assumption is that if 3 ElectingLevelDBStore are running,
> and they lose quorum due to a zk timeout, that once the
> timeout issue is resolved that the pool ought to try and
> re-establish a quorum. Is that a fair assumption?
>
>
> https://github.com/jimrobinson/activemq/commit/58b7198880f5296af6b2e4e9efbbdfdb51220411
>
