[jira] Assigned: (AMQ-1511) Slave starts connectors before master fails

["Rob Davies (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/AMQ-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rob Davies reassigned AMQ-1511:
-------------------------------

    Assignee: Rob Davies

> Slave starts connectors before master fails
> -------------------------------------------
>
>                 Key: AMQ-1511
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1511
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 4.1.1
>            Reporter: Howard Orner
>            Assignee: Rob Davies
>
> A broker configured as a slave starts its connectors before the the master fails.  This is bad because a) The documentation states that this is not the case.  b) it shouldn't be the case because you don't want clients to be able to connect to the slave until it takes over as master.
> In looking at source, it would appear that the MasterConnector of BrokerService is not started until after all the connections are started in startAllConnection().  Unfortunately, to determine if connections should be started, isSlave() is called which relies on the MasterConnector.start() method being called.  
> The MasterConnector service start() method needs to be called first before isSlave will work.
> See broken code snippet from BrokerService below:
> protected void startAllConnectors() throws Exception{
>   if (!isSlave()){   // OOPS!!! isSlave asks the MasterConnector if the master is active, but can't until its started 
>     ...
>        if (services != null) {
>                 for (int i = 0; i < services.length; i++) {
>                     Service service = services[i];   //OOPS, MasterConnector is in this list and the surrounding if relies on it to be started
>                     configureService(service);
>                     service.start();   //OOPS!!!!   this should have been called for isSlave() to return the right answer.
>                 }
>             }
>    }

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