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https://issues.apache.org/jira/browse/QPID-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell updated QPID-1961:
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Fix Version/s: 0.6
Summary: widen viewMessages(int From, int To) AMQQueueMBean method to
use Long values (was: widen viewMessages(int From, int To) and
getMessageCount() AMQQueueMBean methods to use Long values)
changing getMessageCount() from an Integer return type to Long will break
compatibility with the JMX CLI. As filling a queue with 2^31 messages involves
an extreme amount of memory it is not a typical scenario at present and so
changing this will be postponed until future alterations to the management API
necessitate a general break in compatibility.
> widen viewMessages(int From, int To) AMQQueueMBean method to use Long values
> ----------------------------------------------------------------------------
>
> Key: QPID-1961
> URL: https://issues.apache.org/jira/browse/QPID-1961
> Project: Qpid
> Issue Type: Sub-task
> Components: Java Broker, Java Management : JMX Console
> Affects Versions: M2.1, M3, M4, 0.5
> Reporter: Robbie Gemmell
> Assignee: Robbie Gemmell
> Priority: Minor
> Fix For: 0.6
>
>
> The viewMessages() operation is inherently limited to viewing the first 2^31
> undelivered messages on the queue at any given time due to its use of int
> parameters. Equally, getMessageCount() returns an int value. However, the
> SimpleAMQQueue implementation is not limited to 2^31 messages and so there is
> potential that not all messages can be viewed.
> This should be rectified by increasing the parameter range to Long. The
> viewMessages() implementation will then be limited to viewing ANY 2^31
> messages on the queue as the TabularData OpenData result sets used to support
> generic JMX clients are also fixed in size by an int index.
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