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https://issues.apache.org/activemq/browse/AMQ-992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hiram Chirino updated AMQ-992:
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Fix Version/s: 5.2.0
(was: 5.1.0)
> MySQL doesn't honor lock in JDBC Master Slave configuration?
> ------------------------------------------------------------
>
> Key: AMQ-992
> URL: https://issues.apache.org/activemq/browse/AMQ-992
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 4.1.0
> Environment: RHEL 4
> MySQL 4.x, 5.x
> mysql-ab_jdbc_driver
> Reporter: Steven Lotito
> Fix For: 5.2.0
>
> Attachments: mysql_obtain_lock.txt, patch.txt
>
>
> I have been attempting to get the new 4.1 JDBC Master Slave configuration
> working with MySQL.
> The log from the first broker to start up states:
> 2006-10-18 09:35:08,558 [main ] INFO DefaultDatabaseLocker
> - Attempting to acquire the exclusive lock to become the Master broker
> 2006-10-18 09:35:08,559 [main ] INFO DefaultDatabaseLocker
> - Becoming the master on dataSource: [EMAIL PROTECTED]
> The 2nd broker to start up has an identical message and both brokers listen
> for connections.
> The 2nd broker should be waiting for the lock and NOT accepting connections,
> if I understand http://www.activemq.org/site/jdbc-master-slave.html
> correctly...
> Oracle exhibits the expected behavior:
> When running the exact same configuration (except using an Oracle
> datasource), the first broker has the same log message as above, while the
> 2nd broker halts at the "Attempting to acquire the exclusive lock to become
> the Master broker" message until I fail the master. Then it becomes the
> master.
> Is this a known issue? I was able to replicate it using both MySql 4 and 5
> (trying both the MySQL Connector/J 3.1 and MySQL Connector/J 5.0 drivers)
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