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Posted to dev@activemq.apache.org by "Hiram Chirino (JIRA)" <ji...@apache.org> on 2008/02/20 23:04:15 UTC

[jira] Created: (AMQ-1591) When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated.

When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated.
--------------------------------------------------------------------------------------------------

                 Key: AMQ-1591
                 URL: https://issues.apache.org/activemq/browse/AMQ-1591
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.0.0
            Reporter: Hiram Chirino
            Assignee: Hiram Chirino
             Fix For: 5.1.0


The lockKeepAlivePeriod field was intialized to 0 and no accessors are provided to initialize it.

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[jira] Resolved: (AMQ-1591) When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated.

Posted by "Dave Stanley (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/activemq/browse/AMQ-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dave Stanley resolved AMQ-1591.
-------------------------------

    Resolution: Fixed

The DB lock is getting refreshed correctly now.

One symptom of this bug was that when using a mySQL backed store, the lock would expire (due to inactivity) after about 12 hours. If the broker was setup as a master-slave, the slave would try and become the master but this would fail as the master was still listening ...

{code}
INFO  DefaultDatabaseLocker          - Attempting to acquire the exclusive lock 
to become the Master broker
INFO  DefaultDatabaseLocker          - Becoming the master on dataSource: org.ap
ache.commons.dbcp.BasicDataSource@16917ee
ERROR BrokerService                  - Failed to start ActiveMQ JMS Message Brok
er. Reason: java.io.IOException: Transport Connector could not be registered in 
JMX: Failed to bind to server socket: tcp://localhost:61616 due to: java.net.Bin
dException: Address already in use
java.io.IOException: Transport Connector could not be registered in JMX: Failed 
to bind to server socket: tcp://localhost:61616 due to: java.net.BindException: 
Address already in use
        at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport
.java:27)
        at org.apache.activemq.broker.BrokerService.registerConnectorMBean(Broke
rService.java:1298)
        at org.apache.activemq.broker.BrokerService.startTransportConnector(Brok
erService.java:1744)
        at org.apache.activemq.broker.BrokerService.startAllConnectors(BrokerSer
vice.java:1695)
        at org.apache.activemq.broker.BrokerService.start(BrokerService.java:439
)
{code}

/Dave

> When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated.
> --------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-1591
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1591
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.0.0
>            Reporter: Hiram Chirino
>            Assignee: Hiram Chirino
>             Fix For: 5.1.0
>
>
> The lockKeepAlivePeriod field was intialized to 0 and no accessors are provided to initialize it.

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[jira] Commented: (AMQ-1591) When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated.

Posted by "Hiram Chirino (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/activemq/browse/AMQ-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=41346#action_41346 ] 

Hiram Chirino commented on AMQ-1591:
------------------------------------

The lockKeepAlivePeriod is now initialized to 30 seconds and accessors have been added so this can now be configured.

> When using a JDBC based database locker in an Master/Slave configuration, the lock is not updated.
> --------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-1591
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1591
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.0.0
>            Reporter: Hiram Chirino
>            Assignee: Hiram Chirino
>             Fix For: 5.1.0
>
>
> The lockKeepAlivePeriod field was intialized to 0 and no accessors are provided to initialize it.

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