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<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">Community</a></h1>
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HornetQ RA integration
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reply from <a href="http://community.jboss.org/people/adrian%40jboss.org">Adrian Brock</a> in <i>JCA</i> - <a href="http://community.jboss.org/message/533031#533031">View the full discussion</a>
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<div class="jive-rendered-content"><blockquote class="jive-quote"><p>Tim Fox wrote:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Adrian,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So you're saying it's correct for a JCA impl to call</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>getManagedConnection()</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>then</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>managedConnection.getXAResource()</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and then never enlist the resource in a tx, and expect the managed connection to behave as non transacted?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I can't see this requirement in the JCA spec anyway, but I will defer to your better knowledge of JCA.</p></blockquote><p>Why do you think that is a correct assumption?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The managed connections are pooled, so you've got no idea whether the connection is enlisted from one check out of the</p><p>connection from the pool to the next unless you track it yourself in the ManagedConnection/XAResource calls.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>All your assumption does (including your wrapper workaround) is defer the failure to the case when</p><p>for the same ManagedConnection it does:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Request1: Is in a tx so use an XAConnection</p><p>Request2: Not in a tx - oops still tries to use an XAConnection for non xa stuff.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>That is unless you back the ManagedConnection with two real connections/sessions?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Anyway, although not exactly on topic, I remember arguing about this line in the JCA 1.6 spec review</p><p>See 7.10.1 Transaction Scenarios Requirements</p><p>"</p><p>Note that both<br/>LocalTransaction and XATransaction resource adapters support local<br/>transactions. and they are both referred to as “local transaction capable” resource<br/>adapters in the section below.</p><p>"</p><p>We came to conclusion that this statement (from an older version of the spec) says</p><p>that you can deploy a rar declared as XATransaction in local-tx mode at the connection factory level.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But it could also be taken to require the behaviour we are discussing?</p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/533031#533031">going to Community</a></p>
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