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From "Rajith Attapattu (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (QPID-3270) JMS Connection.getMetaData returns a usable enumeration only on the first call to getMetaData
Date Wed, 29 Jun 2011 16:21:28 GMT

     [ https://issues.apache.org/jira/browse/QPID-3270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajith Attapattu resolved QPID-3270.
------------------------------------

    Resolution: Fixed

> JMS Connection.getMetaData returns a usable enumeration only on the first call to getMetaData
> ---------------------------------------------------------------------------------------------
>
>                 Key: QPID-3270
>                 URL: https://issues.apache.org/jira/browse/QPID-3270
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: 0.6, 0.8, 0.10
>            Reporter: Rajith Attapattu
>            Assignee: Rajith Attapattu
>            Priority: Minor
>             Fix For: 0.11
>
>
> JMS Connection.getMetaData returns a usable enumeration only on the first call to getMetaData.

> Invoking getMetaData multiple times, either on the same connection or even completely
different connections results in an empty Enumeration.
> Steps to Reproduce:
> 1. Run a client with the following code
> <code>
> Connection conn = factory.createConnection();
> for (Enumeration meta = conn.getMetaData().getJMSXPropertyNames();
> meta.hasMoreElements();)
> {
>   System.out.println(meta.nextElement());
> }
> System.out.println("Getting connection meta data again");
> for (Enumeration meta = conn.getMetaData().getJMSXPropertyNames();
> meta.hasMoreElements();)
> {
>   System.out.println(meta.nextElement());
> }
> </code>
> 2. Observe that the second time around nothing is printed, since the enumeration is empty.
> Actual results:
> If conn.getMetaData().getJMSXPropertyNames() is called a second time on the same connection
or in a different connection (from the same JVM) an empty enumeration is returned.
> Expected results:
> Every time getJMSXPropertyNames() is called, a enumeration with the property names should
be returned.

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