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From Ishitori <>
Subject Re: Consumer hangs on creation
Date Thu, 18 Oct 2012 09:30:47 GMT
I managed to resolve the issue by restarting 2nd broker. But I want to
understand why it is happened.

> Is your client using failover?

Yes, it does. Moreover I am using 2 duplex connectors from one broker to
another with conduitSubscriptions = "false" on both connectors.

If so was there a broker running?

Yes they were running, but I think we expirienced the problem with the 2nd
broker at that moment.

What do the broker logs say?

I can see 

WARN | Transport Connection to: tcp:// failed:
WARN | Transport Connection to: tcp:// failed:
WARN | Transport Connection to: tcp:// failed:

where it is an address of the 2nd broker. So I can guess that
connections between brokers went down for some reason, right?

And a strange information message:

INFO: TopicSubscription: consumer=ID:<Broker1>-65074-1350392991110-8:2:1:1,
destinations=15, dispatched=1000, delivered=6333, matched=39550,
discarded=0: Pending message cursor
[] is
full, temp usage (15%) or memory usage (100%) limit reached, blocking
message add() pending the release of resources.

I don't use topics in ActiveMQ at all, only named queues. Why it tells me
something about a TopicSubscription where I shouldn't have any?

Any ideas?

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