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From "Jim Gomes (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACTIVEMQ6-107) Dead client resources are not cleaned up
Date Thu, 14 May 2015 19:00:59 GMT
Jim Gomes created ACTIVEMQ6-107:
-----------------------------------

             Summary: Dead client resources are not cleaned up
                 Key: ACTIVEMQ6-107
                 URL: https://issues.apache.org/jira/browse/ACTIVEMQ6-107
             Project: ActiveMQ Artemis
          Issue Type: Bug
    Affects Versions: 6.0.0
            Reporter: Jim Gomes
            Priority: Critical
             Fix For: 6.0.0


The resource clean up code for dead clients doesn't seem to work reliably. Probably not a
show-stopper for a beta release, but definitely needs to be cleaned up for production. Basically,
when Artemis detected a dead client (it stopped responding because I hit a breakpoint in my
debugger), it tried to clean it up, but failed. The result is that I can no longer connect
a new client from that client machine, because the broker thinks I already have a connection.
This is after I killed my client app and restarted it.  I'll log a bug for this one, but here's
the server log (note the final INFO message of "failed to remove connection"):

{noformat}
WARN  [org.apache.activemq.artemis.core.server] AMQ222067: Connection failure has been detected:
AMQ119014: Did not receive data from /xxx.xxx.xxx.xxx:53516. It is likely the client has exited
or crashed without closing its connection, or the network between the server and client has
failed. You also might have configured connection-ttl and client-failure-check-period incorrectly.
Please check user manual for more information. The connection will now be closed. [code=CONNECTION_TIMEDOUT]
WARN  [org.apache.activemq.artemis.core.server] AMQ222061: Client connection failed, clearing
up resources for session ID:testmachine-63273-635671999039695375-1:0:-1
WARN  [org.apache.activemq.artemis.core.server] AMQ222107: Cleared up resources for session
ID:testmachine-63273-635671999039695375-1:0:-1
WARN  [org.apache.activemq.artemis.core.server] AMQ222061: Client connection failed, clearing
up resources for session ID:testmachine-63273-635671999039695375-1:0:1
WARN  [org.apache.activemq.artemis.core.server] AMQ222107: Cleared up resources for session
ID:testmachine-63273-635671999039695375-1:0:1
INFO  [org.apache.activemq.artemis.core.server] AMQ221021: failed to remove connection
{noformat}

Attempting to run a fresh client gets the following return exception on the client:

{noformat}
Apache.NMS.Test.AsyncConsumeTest.TestAsynchronousConsume(Persistent):
Apache.NMS.InvalidClientIDException : Broker: mybroker - Client: ID:AsyncConsumeTest:1:2 already
connected from /xxx.xxx.xxx.xxx:53516
{noformat}



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