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https://issues.apache.org/jira/browse/AMQ-6862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16256768#comment-16256768
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Gary Tully commented on AMQ-6862:
---------------------------------

some combination of a smart connection pool  that will verify connections and 
some tweaks to the iOExceptionHandler[1] handler may be what you need. I think 
the broker is currently stopping on the first occurrence of that exception.

see: 
https://github.com/apache/activemq/blob/c7291f1ecfefec7aad6fcf168e298e2ef0af8ed7/activemq-broker/src/main/java/org/apache/activemq/util/DefaultIOExceptionHandler.java#L83

> ActiveMQ Broker Not able to reconnect to MSSQL HA during Failover
> -----------------------------------------------------------------
>
>                 Key: AMQ-6862
>                 URL: https://issues.apache.org/jira/browse/AMQ-6862
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.14.0
>         Environment: Platform : Windows Server 2012 R2
> ESB : Mulesoft Server
> ActiveMQ 5.14.0
> MSSQL Server  HA Clustered(Primary and Secondary)
>            Reporter: Bharath Mohan
>            Priority: Critical
>             Fix For: 5.14.0
>
>
> Active MQ 5.14.0 loses connection to Database that is persisted on MS SQL 
> database. 
> Mulesoft reads the file and sends them as messages to topic 
> This messages are taken for transformation and written as file to target 
> When failover occurs from primary to secondary in HA DB cluster
> The messages that are enqueued are not dequeued as the DB connection is 
> closed. 
> Could you please check the attached mq xml file and let us know why activemq 
> not able to reach the secondary node when failover occurs.
> Does ActiveMQ supports MSSQL HA DB.



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