Hi:
I'm running into an massive message blocking with ActiveMQ 5.13.1. This
issue is found during our reliance testing. This testing is set due to a
similar issue found in the field, where our customer is using 5.11.1 which
have encountered similar disconnection issues.
Here's our topology:
Consumer0
|
broker0
/ | \
/ (network) \
/ | \
broker1 broker2 ... broker17
producer1 producer2 ... producer17
The issue we found here is, if, at broker0 side, if we set the firewall to
drop all the incoming messages from broker1 to broker17 for longer than 5
mins. Then remove the firewall setting. Then even we observed the connection
between broker0 and broker1-17 gets re-established. But they're no longer
communicating to each other. We have to restart the broker0 to get the
communication back.
Here're the abstracted configurations:
*broker0:*
<transportConnectors>
<transportConnector name="openwire" uri="tcp://0.0.0.0:61616"/>
</transportConnectors>
*broker1-17:*
<networkConnectors>
<networkConnector name="broker0"
uri="static:(tcp://broker0:61616)" duplex="true" />
</networkConnectors>
<transportConnectors>
<transportConnector name="openwire"
uri="tcp://0.0.0.0:61616maximumConnections=100&wireFormat.maxFrameSize=104857600"/>
</transportConnectors>
Btw, this issue is not seen with fewer producers. say less than 5 producers.
But this issue is 100% reproducible with 17 producers.
I spent hours and tried different transportConnector and networkConnector
configuration options but it didn't help. Is this a configuration mistake or
a bug with 5.13.1?
Many thanks,
-Yang
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