Nicky-

The two instances are sharing a data folder, and ActiveMQ is treating the first 
broker that obtains the lock as the primary and the second as the failover (aka 
slave). 

You’ll need to configure the <broker … dataDirectory="${activemq.data}” 
settings to be different directories.

-Matt

> On Mar 20, 2020, at 4:29 AM, nicky romina <[email protected]> wrote:
> 
> I have 2 amq brokers as amq1 and amq2. I have configured amq1 as with below
> configurations;
> 
> 
> <networkConnectors>
>    <networkConnector uri="static:(failover:(tcp://localhost:61616))"
> dynamicOnly="true"
>        networkTTL="2"
>        duplex="true" />
> </networkConnectors>
> 
> and the transport connector as; 
> 
> <transportConnector name="openwire" rebalanceClusterClients="true"
> updateClusterClients="true" updateClusterClientsOnRemove="true"
> uri="tcp://0.0.0.0:61626?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
> 
> 
> In am2 I have add the following configuration;
> <networkConnectors>
>    <networkConnector uri="static:(failover:(tcp://localhost:61626))"
> dynamicOnly="true"
>        networkTTL="2"
>        duplex="true" />
> </networkConnectors>
> 
> 
> But still when I start the two servers one after other, the first starting
> broker starts and returns an error as *Failed to connect to
> [tcp://localhost:61626] after: 20 attempt(s) continuing to retry*.
> 
> The second starting server returns When I start the server one after the
> other, second broker returns *Database /tmp/mq/kahadb/lock is locked by
> another server. This broker is now in slave mode waiting a lock to be
> acquired*
> 
> How to fix this issue? or is there anything I have missed or incorrect
> configuration in my code?
> 
> see the link I have posted on stakoverflow: 
> https://stackoverflow.com/questions/60769034/connection-failed-between-activemq-brokers
> <https://stackoverflow.com/questions/60769034/connection-failed-between-activemq-brokers>
>   
> 
> 
> 
> 
> --
> Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html

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