[jira] [Updated] (AMQCPP-491) Connection didn't switch to the slave broker when the master broker is down

["Daniel Laügt (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQCPP-491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Laügt updated AMQCPP-491:
--------------------------------

    Attachment: FailoverTransport.cpp.patch
    
> Connection didn't switch to the slave broker when the master broker is down
> ---------------------------------------------------------------------------
>
>                 Key: AMQCPP-491
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-491
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: Transports
>    Affects Versions: 3.7.0
>         Environment: Windows 7, VS2010
>            Reporter: Daniel Laügt
>            Assignee: Timothy Bish
>            Priority: Minor
>         Attachments: FailoverTransport.cpp.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Master/Slave configuration with a shared data directory:
> ActiveMQ Configuration (activemq.xml):
> <persistenceAdapter>
>   <kahaDB directory="\\host1\kahadb"/>
> </persistenceAdapter>
> URL:
> failover:(tcp://host1:port1,tcp://host2:port2)?randomize=false
> Test case:
> 1) Run ActiveMQ on host2, it becomes the master
> 2) Run ActiveMQ on host1, it becomes the slave
> 3) Run a program that opens an ActiveMQ connection
> 4) Shutdown ActiveMQ on host2
> 5) The ActiveMQ connection is not able to switch to host1.
> Explanation:
> The test case has randomize=false to be able to reproduce the problem anytime. If randomize=true, the problem occurs randomly.
> At step 3, ActiveMQ-CPP tries to open first a connection with host1. It fails as host1 is the slave. Then it tries to open a connection with host2. This time, it succeeds but it forgets to put back the failure hosts (host1) to broker lists. At this point, the broker list = {host2}.
> At step 5, ActiveMQ-CPP tries to open a connection with the broker list. As the broker list = {host2}, it will try to open a connection only with host2.

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