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Posted to dev@activemq.apache.org by "Ron Koerner (JIRA)" <ji...@apache.org> on 2012/10/08 19:26:02 UTC
[jira] [Created] (AMQ-4097) Broker-to-Broker Reconnect fails due to
duplicate name
Ron Koerner created AMQ-4097:
--------------------------------
Summary: Broker-to-Broker Reconnect fails due to duplicate name
Key: AMQ-4097
URL: https://issues.apache.org/jira/browse/AMQ-4097
Project: ActiveMQ
Issue Type: Bug
Affects Versions: 5.7.0
Environment: A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
Reporter: Ron Koerner
The situation is as follows:
- an external broker A connects
- time passes
- a lot of external brokers disconnect including A
- A reconnects
- wrong message about duplicate name is generated
A logfile excerpt is attached.
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[jira] [Updated] (AMQ-4097) Broker-to-Broker Reconnect fails
wrongly due to duplicate name
Posted by "Ron Koerner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMQ-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ron Koerner updated AMQ-4097:
-----------------------------
Environment:
A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
Actually we are using 5.7-SNAPSHOT of 2012-08-31.
was:A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
> Broker-to-Broker Reconnect fails wrongly due to duplicate name
> --------------------------------------------------------------
>
> Key: AMQ-4097
> URL: https://issues.apache.org/jira/browse/AMQ-4097
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.7.0
> Environment: A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
> Actually we are using 5.7-SNAPSHOT of 2012-08-31.
> Reporter: Ron Koerner
>
> The situation is as follows:
> - an external broker A connects
> - time passes
> - a lot of external brokers disconnect including A
> - A reconnects (as well as all the other external brokers)
> - wrong message about duplicate name is generated
> In the log it looks like this:
> {code}
> 2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
> ...
> ... a lot more of the following with different ports
> 2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
> ... more of these
> 2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
> ...
> 2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> 2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> ...
> 2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
> ...
> 2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
> ...
> 2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> 2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> ...
> 2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
> ...
> 2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
> ...
> 2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
> ...
> 2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
> ...
> 2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
> at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
> {code}
> This repeats until the external broker is stopped and started manually.
> I assume there is a race condition which shows up under high load preventing the information about the disconnected client to be removed before the same client reconnects.
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[jira] [Updated] (AMQ-4097) Broker-to-Broker Reconnect fails
wrongly due to duplicate name
Posted by "Ron Koerner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMQ-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ron Koerner updated AMQ-4097:
-----------------------------
Description:
The situation is as follows:
- an external broker A connects
- time passes
- a lot of external brokers disconnect including A
- A reconnects (as well as all the other external brokers)
- wrong message about duplicate name is generated
In the log it looks like this:
{code}
2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
...
... a lot more of the following with different ports
2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
... more of these
2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
...
2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
...
2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
...
2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
...
2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
...
2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
...
2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
...
2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
...
2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
...
2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
...
2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
...
2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
{code}
This repeats until the external broker is stopped and started manually.
I assume there is a race condition which shows up under high load preventing the information about the disconnected client to be removed before the same client reconnects.
was:
The situation is as follows:
- an external broker A connects
- time passes
- a lot of external brokers disconnect including A
- A reconnects (as well as all the other external brokers)
- wrong message about duplicate name is generated
In the log it looks like this:
{code}
2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
...
... a lot more of the following with different ports
2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
... more of these
2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
...
2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
...
2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
...
2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
...
2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
...
2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
...
2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
...
2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
...
2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
...
2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
...
2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
...
2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
{code}
This repeats until the external broker is stopped and started manually.
I assume there is a race condition which shows up under high load
> Broker-to-Broker Reconnect fails wrongly due to duplicate name
> --------------------------------------------------------------
>
> Key: AMQ-4097
> URL: https://issues.apache.org/jira/browse/AMQ-4097
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.7.0
> Environment: A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
> Reporter: Ron Koerner
>
> The situation is as follows:
> - an external broker A connects
> - time passes
> - a lot of external brokers disconnect including A
> - A reconnects (as well as all the other external brokers)
> - wrong message about duplicate name is generated
> In the log it looks like this:
> {code}
> 2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
> ...
> ... a lot more of the following with different ports
> 2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
> ... more of these
> 2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
> ...
> 2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> 2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> ...
> 2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
> ...
> 2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
> ...
> 2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> 2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> ...
> 2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
> ...
> 2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
> ...
> 2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
> ...
> 2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
> ...
> 2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
> at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
> {code}
> This repeats until the external broker is stopped and started manually.
> I assume there is a race condition which shows up under high load preventing the information about the disconnected client to be removed before the same client reconnects.
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[jira] [Updated] (AMQ-4097) Broker-to-Broker Reconnect fails
wrongly due to duplicate name
Posted by "Ron Koerner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMQ-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ron Koerner updated AMQ-4097:
-----------------------------
Summary: Broker-to-Broker Reconnect fails wrongly due to duplicate name (was: Broker-to-Broker Reconnect fails due to duplicate name)
> Broker-to-Broker Reconnect fails wrongly due to duplicate name
> --------------------------------------------------------------
>
> Key: AMQ-4097
> URL: https://issues.apache.org/jira/browse/AMQ-4097
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.7.0
> Environment: A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
> Reporter: Ron Koerner
>
> The situation is as follows:
> - an external broker A connects
> - time passes
> - a lot of external brokers disconnect including A
> - A reconnects
> - wrong message about duplicate name is generated
> A logfile excerpt is attached.
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[jira] [Commented] (AMQ-4097) Broker-to-Broker Reconnect fails
wrongly due to duplicate name
Posted by "Edwin Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMQ-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498277#comment-13498277 ]
Edwin Yu commented on AMQ-4097:
-------------------------------
We also encountered this error in our load testing lab when we had an actual network disruption. We repeated the scenario by disconnecting and reconnecting the network cable. If we had a long break between the disconnection and reconnection, our network of brokers establish connections just fine. If we had a very short break (less than a minute) between the disconnection and reconnection while the load is high, we encountered this issue. Below is the error in the log.
2012-11-15 08:37:08,953 WARN [ActiveMQ Transport: tcp://n4-perform70/10.40.100.17:61613] [DemandForwardingBridgeSupport:363] ( ) Network connection between vm://local-amq-broker#68046 and tcp://n4-perform70/10.40.100.17:61613 shutdown due to a remote error: javax.jms.InvalidClientIDException: Broker: amq-broker - Client: center-to-amq-broker_outbound already connected from tcp://10.47.103.25:51353
We are not using the duplex connection. We're using ActiveMQ 5.6.0.
regards.
> Broker-to-Broker Reconnect fails wrongly due to duplicate name
> --------------------------------------------------------------
>
> Key: AMQ-4097
> URL: https://issues.apache.org/jira/browse/AMQ-4097
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.7.0
> Environment: A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
> Actually we are using 5.7-SNAPSHOT of 2012-08-31.
> Reporter: Ron Koerner
>
> The situation is as follows:
> - an external broker A connects
> - time passes
> - a lot of external brokers disconnect including A
> - A reconnects (as well as all the other external brokers)
> - wrong message about duplicate name is generated
> In the log it looks like this:
> {code}
> 2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
> ...
> ... a lot more of the following with different ports
> 2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
> ... more of these
> 2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
> ...
> 2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> 2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> ...
> 2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
> ...
> 2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
> ...
> 2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> 2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> ...
> 2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
> ...
> 2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
> ...
> 2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
> ...
> 2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
> ...
> 2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
> at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
> {code}
> This repeats until the external broker is stopped and started manually.
> I assume there is a race condition which shows up under high load preventing the information about the disconnected client to be removed before the same client reconnects.
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[jira] [Updated] (AMQ-4097) Broker-to-Broker Reconnect fails
wrongly due to duplicate name
Posted by "Ron Koerner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/AMQ-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ron Koerner updated AMQ-4097:
-----------------------------
Description:
The situation is as follows:
- an external broker A connects
- time passes
- a lot of external brokers disconnect including A
- A reconnects (as well as all the other external brokers)
- wrong message about duplicate name is generated
In the log it looks like this:
{code}
2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
...
... a lot more of the following with different ports
2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
... more of these
2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
...
2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
...
2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
...
2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
...
2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
...
2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
...
2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
...
2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
...
2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
...
2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
...
2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
...
2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
{code}
This repeats until the external broker is stopped and started manually.
I assume there is a race condition which shows up under high load
was:
The situation is as follows:
- an external broker A connects
- time passes
- a lot of external brokers disconnect including A
- A reconnects
- wrong message about duplicate name is generated
A logfile excerpt is attached.
> Broker-to-Broker Reconnect fails wrongly due to duplicate name
> --------------------------------------------------------------
>
> Key: AMQ-4097
> URL: https://issues.apache.org/jira/browse/AMQ-4097
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.7.0
> Environment: A central broker to which a lot (50+) of external brokers connect with a duplex bridge. A special routing/firewall is used which can affect timing but not order of TCP packets. This can be simulated by using socat.
> Reporter: Ron Koerner
>
> The situation is as follows:
> - an external broker A connects
> - time passes
> - a lot of external brokers disconnect including A
> - A reconnects (as well as all the other external brokers)
> - wrong message about duplicate name is generated
> In the log it looks like this:
> {code}
> 2012-10-08 17:11:19,835 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#278]
> ...
> ... a lot more of the following with different ports
> 2012-10-08 17:37:01,958 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#278 and tcp:///127.0.0.1:54191 shutdown due to a remote error: java.io.EOFException [ActiveMQ NIO Worker 193]
> ... more of these
> 2012-10-08 17:37:03,438 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 215]
> ...
> 2012-10-08 17:37:03,922 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-242:2, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> 2012-10-08 17:37:03,923 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#478 and tcp:///127.0.0.1:56529 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#478]
> ...
> 2012-10-08 17:37:04,036 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-182]
> ...
> 2012-10-08 17:37:06,540 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 207]
> ...
> 2012-10-08 17:37:06,548 WARN emq.broker.TransportConnection - Failed to add Connection ID:c04ptec-51799-1349706422094-292:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> 2012-10-08 17:37:06,548 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#570 and tcp:///127.0.0.1:56576 shutdown due to a local error: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_inbound_c04ptec already connected from vm://c04ptec#278 [StartLocalBridge: localBroker=vm://c04ptec#570]
> ...
> 2012-10-08 17:37:06,559 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-204]
> ...
> 2012-10-08 17:37:24,417 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-73]
> ...
> 2012-10-08 17:37:25,103 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 268]
> ...
> 2012-10-08 17:37:29,110 INFO .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) has been established. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:37:59,669 WARN .DemandForwardingBridgeSupport - Network connection between vm://c04ptec#594 and tcp:///127.0.0.1:56656(cbox-56BU902442) was interrupted during establishment. [StartLocalBridge: localBroker=vm://c04ptec#594]
> ...
> 2012-10-08 17:38:09,005 INFO .DemandForwardingBridgeSupport - c04ptec bridge to cbox-56BU902442 stopped [ActiveMQ Task-228]
> ...
> 2012-10-08 17:38:18,681 INFO emq.broker.TransportConnection - Started responder end of duplex bridge cBox 56BU902442 to cBox Proxy@ID:P013SPWMK1WN-39320-1349704902319-0:1 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,681 WARN emq.broker.TransportConnection - Failed to add Connection ID:P013SPWMK1WN-39320-1349704902319-152:1, reason: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> 2012-10-08 17:38:18,682 WARN er.TransportConnection.Service - Async error occurred: javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594 [ActiveMQ NIO Worker 292]
> javax.jms.InvalidClientIDException: Broker: c04ptec - Client: cBox 56BU902442 to cBox Proxy_cbox-56BU902442_outbound already connected from vm://c04ptec#594
> at org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:222) ~[activemq-core-5.7-SNAPSHOT.jar:5.7-SNAPSHOT]
> {code}
> This repeats until the external broker is stopped and started manually.
> I assume there is a race condition which shows up under high load
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