Ah, I see what you're saying, and I think you should submit a bug in JIRA for it. Ideally, provide a minimal configuration that'll reproduce the problem when you do, if you can create one...
Tim On Sat, Jul 25, 2015 at 10:06 AM, James A. Robinson <j...@highwire.org> wrote: > Well, I'm pretty sure zookeeper won't let the client specify a value > outside its own minSessionTimeout and maxSessionTimeout, so I think the > real question is how close to minSessionTimeout I can get without seeing > problems. It's really just masking the underlying problem though, right? > The client ought to reinitialize itself in the event of failures and > sometimes it is not. > On Sat, Jul 25, 2015 at 08:25 Tim Bain <tb...@alumni.duke.edu> wrote: > > > James, > > > > You've tested two of the three cases; would it be possible to test the > > third one? > > > > - ActiveMQ timeout < ZooKeeper timeout: fails > > - ActiveMQ timeout = ZooKeeper timeout: succeeds > > - ActiveMQ timeout > ZooKeeper timeout: ??? > > > > If we can zero in on exactly what the recommendation is, I can update > > http://activemq.apache.org/replicated-leveldb-store.html (or another > page > > if you think there's a more appropriate one) to include the > recommendation > > we come to. But I don't want to say on the official documentation that > it > > has to be = if >= would work fine. > > > > Tim > > > > On Fri, Jul 24, 2015 at 10:39 AM, James A. Robinson <j...@highwire.org> > > wrote: > > > > > So about 40 hours after fixing the settings so that both activemq and > > > zookeeper agreed on what the session timeout is, I haven't seen any new > > > instances of the errors I was seeing before. Previously it'd typically > > be > > > no more than 4 hours between complaints about needing to re-establish > > > zookeeper connections. > > > > > > If I'm right, then this indicates the instability I saw can be masked > > over > > > by making sure the two agree on the session timeout, but that the > > > fundamental fragility of the activemq zookeeper client code is still a > > > potential risk. > > > > > > Jim > > > > > > On Wed, Jul 22, 2015 at 6:27 PM James A. Robinson <j...@highwire.org> > > > wrote: > > > > > > > Hrm... I'm wondering if this is due to the zookeeper server having a > > > > default session timeout of 40 seconds vs. a lower one I set for the > > > > activemq node... > > > > > > > > > >
