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From oru...@apache.org
Subject [27/51] [partial] qpid-site git commit: Update site for Qpid Java release 6.1.0
Date Wed, 16 Nov 2016 20:01:40 GMT
http://git-wip-us.apache.org/repos/asf/qpid-site/blob/7a90fd79/content/releases/qpid-java-6.1.0/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Destinations.html
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diff --git a/content/releases/qpid-java-6.1.0/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Destinations.html b/content/releases/qpid-java-6.1.0/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Destinations.html
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@@ -0,0 +1,149 @@
+<!DOCTYPE html>
+<!--
+ -
+ - Licensed to the Apache Software Foundation (ASF) under one
+ - or more contributor license agreements.  See the NOTICE file
+ - distributed with this work for additional information
+ - regarding copyright ownership.  The ASF licenses this file
+ - to you under the Apache License, Version 2.0 (the
+ - "License"); you may not use this file except in compliance
+ - with the License.  You may obtain a copy of the License at
+ -
+ -   http://www.apache.org/licenses/LICENSE-2.0
+ -
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
+ - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ - KIND, either express or implied.  See the License for the
+ - specific language governing permissions and limitations
+ - under the License.
+ -
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+  <head>
+    <title>5.7.&#160;Destinations - Apache Qpid&#8482;</title>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <link rel="stylesheet" href="/site.css" type="text/css" async="async"/>
+    <link rel="stylesheet" href="/deferred.css" type="text/css" defer="defer"/>
+    <script type="text/javascript">var _deferredFunctions = [];</script>
+    <script type="text/javascript" src="/deferred.js" defer="defer"></script>
+    <!--[if lte IE 8]>
+      <link rel="stylesheet" href="/ie.css" type="text/css"/>
+      <script type="text/javascript" src="/html5shiv.js"></script>
+    <![endif]-->
+
+    <!-- Redirects for `go get` and godoc.org -->
+    <meta name="go-import"
+          content="qpid.apache.org git https://git-wip-us.apache.org/repos/asf/qpid-proton.git"/>
+    <meta name="go-source"
+          content="qpid.apache.org
+https://github.com/apache/qpid-proton/blob/go1/README.md
+https://github.com/apache/qpid-proton/tree/go1{/dir}
+https://github.com/apache/qpid-proton/blob/go1{/dir}/{file}#L{line}"/>
+  </head>
+  <body>
+    <div id="-content">
+      <div id="-top" class="panel">
+        <a id="-menu-link"><img width="16" height="16" src="" alt="Menu"/></a>
+
+        <a id="-search-link"><img width="22" height="16" src="" alt="Search"/></a>
+
+        <ul id="-global-navigation">
+          <li><a id="-logotype" href="/index.html">Apache Qpid<sup>&#8482;</sup></a></li>
+          <li><a href="/documentation.html">Documentation</a></li>
+          <li><a href="/download.html">Download</a></li>
+          <li><a href="/discussion.html">Discussion</a></li>
+        </ul>
+      </div>
+
+      <div id="-menu" class="panel" style="display: none;">
+        <div class="flex">
+          <section>
+            <h3>Project</h3>
+
+            <ul>
+              <li><a href="/overview.html">Overview</a></li>
+              <li><a href="/components/index.html">Components</a></li>
+              <li><a href="/releases/index.html">Releases</a></li>
+            </ul>
+          </section>
+
+          <section>
+            <h3>Messaging APIs</h3>
+
+            <ul>
+              <li><a href="/proton/index.html">Qpid Proton</a></li>
+              <li><a href="/components/jms/index.html">Qpid JMS</a></li>
+              <li><a href="/components/messaging-api/index.html">Qpid Messaging API</a></li>
+            </ul>
+          </section>
+
+          <section>
+            <h3>Servers and tools</h3>
+
+            <ul>
+              <li><a href="/components/java-broker/index.html">Broker for Java</a></li>
+              <li><a href="/components/cpp-broker/index.html">C++ broker</a></li>
+              <li><a href="/components/dispatch-router/index.html">Dispatch router</a></li>
+            </ul>
+          </section>
+
+          <section>
+            <h3>Resources</h3>
+
+            <ul>
+              <li><a href="/dashboard.html">Dashboard</a></li>
+              <li><a href="https://cwiki.apache.org/confluence/display/qpid/Index">Wiki</a></li>
+              <li><a href="/resources.html">More resources</a></li>
+            </ul>
+          </section>
+        </div>
+      </div>
+
+      <div id="-search" class="panel" style="display: none;">
+        <form action="http://www.google.com/search" method="get">
+          <input type="hidden" name="sitesearch" value="qpid.apache.org"/>
+          <input type="text" name="q" maxlength="255" autofocus="autofocus" tabindex="1"/>
+          <button type="submit">Search</button>
+          <a href="/search.html">More ways to search</a>
+        </form>
+      </div>
+
+      <div id="-middle" class="panel">
+        <ul id="-path-navigation"><li><a href="/index.html">Home</a></li><li><a href="/releases/index.html">Releases</a></li><li><a href="/releases/qpid-java-6.1.0/index.html">Qpid for Java 6.1.0</a></li><li><a href="/releases/qpid-java-6.1.0/jms-client-0-8/book/index.html">Apache Qpid JMS Client for AMQP protocols 0-8, 0-9 and 0-9-1</a></li><li>5.7.&#160;Destinations</li></ul>
+
+        <div id="-middle-content">
+          <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">5.7.&#160;Destinations</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html">Prev</a>&#160;</td><th align="center" width="60%">Chapter&#160;5.&#160;Understanding the Client</th><td align="right" width="20%">&#160;<a accesskey="n" href="JMS-Client-0-8-JNDI-Properties-Format.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="JMS-Client-0-8-Client-Understanding-Destinations"></a>5.7.&#160;Destinations</h2></div></div></div><p>A Destination is either a Queue or Topic. In the Client a Destination
+      encapsulates a Binding URL. In simple terms, the Binding URL comprises of an exchange, queue
+      and a routing key. Binding URLs are described fully by <a class="xref" href="JMS-Client-0-8-Binding-URL.html" title="Chapter&#160;8.&#160;Binding URL">Chapter&#160;8, <em>Binding URL</em></a>. </p><p>In many cases, applications do not need to deal directly with Binding URLs, instead they
+      can refer to JMS administered objects declared in the JNDI properties file with the
+        <code class="literal">queue.</code> and <code class="literal">topic.</code> prefix to create Queues and Topics
+      objects respectively. </p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html">Prev</a>&#160;</td><td align="center" width="20%"><a accesskey="u" href="JMS-Client-0-8-Client-Understanding.html">Up</a></td><td align="right" width="40%">&#160;<a accesskey="n" href="JMS-Client-0-8-JNDI-Properties-Format.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.6.&#160;MessageConsumer&#160;</td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%">&#160;Chapter&#160;6.&#160;JNDI Properties Format</td></tr></table></div></div>
+
+          <hr/>
+
+          <ul id="-apache-navigation">
+            <li><a href="http://www.apache.org/">Apache</a></li>
+            <li><a href="http://www.apache.org/licenses/">License</a></li>
+            <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
+            <li><a href="http://www.apache.org/foundation/thanks.html">Thanks!</a></li>
+            <li><a href="/security.html">Security</a></li>
+            <li><a href="http://www.apache.org/"><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li>
+          </ul>
+
+          <p id="-legal">
+            Apache Qpid, Messaging built on AMQP; Copyright &#169; 2015
+            The Apache Software Foundation; Licensed under
+            the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache
+            License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton,
+            Proton, Apache, the Apache feather logo, and the Apache Qpid
+            project logo are trademarks of The Apache Software
+            Foundation; All other marks mentioned may be trademarks or
+            registered trademarks of their respective owners
+          </p>
+        </div>
+      </div>
+    </div>
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/qpid-site/blob/7a90fd79/content/releases/qpid-java-6.1.0/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-MessageConsumer.html
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@@ -0,0 +1,171 @@
+<!DOCTYPE html>
+<!--
+ -
+ - Licensed to the Apache Software Foundation (ASF) under one
+ - or more contributor license agreements.  See the NOTICE file
+ - distributed with this work for additional information
+ - regarding copyright ownership.  The ASF licenses this file
+ - to you under the Apache License, Version 2.0 (the
+ - "License"); you may not use this file except in compliance
+ - with the License.  You may obtain a copy of the License at
+ -
+ -   http://www.apache.org/licenses/LICENSE-2.0
+ -
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
+ - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ - KIND, either express or implied.  See the License for the
+ - specific language governing permissions and limitations
+ - under the License.
+ -
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+  <head>
+    <title>5.6.&#160;MessageConsumer - Apache Qpid&#8482;</title>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <link rel="stylesheet" href="/site.css" type="text/css" async="async"/>
+    <link rel="stylesheet" href="/deferred.css" type="text/css" defer="defer"/>
+    <script type="text/javascript">var _deferredFunctions = [];</script>
+    <script type="text/javascript" src="/deferred.js" defer="defer"></script>
+    <!--[if lte IE 8]>
+      <link rel="stylesheet" href="/ie.css" type="text/css"/>
+      <script type="text/javascript" src="/html5shiv.js"></script>
+    <![endif]-->
+
+    <!-- Redirects for `go get` and godoc.org -->
+    <meta name="go-import"
+          content="qpid.apache.org git https://git-wip-us.apache.org/repos/asf/qpid-proton.git"/>
+    <meta name="go-source"
+          content="qpid.apache.org
+https://github.com/apache/qpid-proton/blob/go1/README.md
+https://github.com/apache/qpid-proton/tree/go1{/dir}
+https://github.com/apache/qpid-proton/blob/go1{/dir}/{file}#L{line}"/>
+  </head>
+  <body>
+    <div id="-content">
+      <div id="-top" class="panel">
+        <a id="-menu-link"><img width="16" height="16" src="" alt="Menu"/></a>
+
+        <a id="-search-link"><img width="22" height="16" src="" alt="Search"/></a>
+
+        <ul id="-global-navigation">
+          <li><a id="-logotype" href="/index.html">Apache Qpid<sup>&#8482;</sup></a></li>
+          <li><a href="/documentation.html">Documentation</a></li>
+          <li><a href="/download.html">Download</a></li>
+          <li><a href="/discussion.html">Discussion</a></li>
+        </ul>
+      </div>
+
+      <div id="-menu" class="panel" style="display: none;">
+        <div class="flex">
+          <section>
+            <h3>Project</h3>
+
+            <ul>
+              <li><a href="/overview.html">Overview</a></li>
+              <li><a href="/components/index.html">Components</a></li>
+              <li><a href="/releases/index.html">Releases</a></li>
+            </ul>
+          </section>
+
+          <section>
+            <h3>Messaging APIs</h3>
+
+            <ul>
+              <li><a href="/proton/index.html">Qpid Proton</a></li>
+              <li><a href="/components/jms/index.html">Qpid JMS</a></li>
+              <li><a href="/components/messaging-api/index.html">Qpid Messaging API</a></li>
+            </ul>
+          </section>
+
+          <section>
+            <h3>Servers and tools</h3>
+
+            <ul>
+              <li><a href="/components/java-broker/index.html">Broker for Java</a></li>
+              <li><a href="/components/cpp-broker/index.html">C++ broker</a></li>
+              <li><a href="/components/dispatch-router/index.html">Dispatch router</a></li>
+            </ul>
+          </section>
+
+          <section>
+            <h3>Resources</h3>
+
+            <ul>
+              <li><a href="/dashboard.html">Dashboard</a></li>
+              <li><a href="https://cwiki.apache.org/confluence/display/qpid/Index">Wiki</a></li>
+              <li><a href="/resources.html">More resources</a></li>
+            </ul>
+          </section>
+        </div>
+      </div>
+
+      <div id="-search" class="panel" style="display: none;">
+        <form action="http://www.google.com/search" method="get">
+          <input type="hidden" name="sitesearch" value="qpid.apache.org"/>
+          <input type="text" name="q" maxlength="255" autofocus="autofocus" tabindex="1"/>
+          <button type="submit">Search</button>
+          <a href="/search.html">More ways to search</a>
+        </form>
+      </div>
+
+      <div id="-middle" class="panel">
+        <ul id="-path-navigation"><li><a href="/index.html">Home</a></li><li><a href="/releases/index.html">Releases</a></li><li><a href="/releases/qpid-java-6.1.0/index.html">Qpid for Java 6.1.0</a></li><li><a href="/releases/qpid-java-6.1.0/jms-client-0-8/book/index.html">Apache Qpid JMS Client for AMQP protocols 0-8, 0-9 and 0-9-1</a></li><li>5.6.&#160;MessageConsumer</li></ul>
+
+        <div id="-middle-content">
+          <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">5.6.&#160;MessageConsumer</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-MessageProducer.html">Prev</a>&#160;</td><th align="center" width="60%">Chapter&#160;5.&#160;Understanding the Client</th><td align="right" width="20%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-Destinations.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="JMS-Client-0-8-Client-Understanding-MessageConsumer"></a>5.6.&#160;MessageConsumer</h2></div></div></div><p>A MessageConsumer receives messages from a Queue or Topic.</p><p>MessageConsumer objects are created from the Session.</p><p>Qpid JMS MessageConsumers have a number of features above that required by JMS. These are
+      described in the sub-sections that follow.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageConsumer-ConsumerSideEffect"></a>5.6.1.&#160;Consumers have Exchange/Queue Declaration and Binding Side Effect</h3></div></div></div><p>By default, calling <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#createConsumer(javax.jms.Destination)" target="_top">Session#createConsumer()</a> will cause:</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>If the exchange does not exist on the Broker, it will be created. The exchange is
+            specified by the Binding URL associated with the Destination.</p></li><li class="listitem"><p>If the queue does not exist on the Broker, it will be created. The queue is
+            specified by the Binding URL associated with the Destination.</p></li><li class="listitem"><p>If there is no binding between the exchange and queue, a binding will be created
+            using the routingkey as a bindingkey. The exchange, queue and routing key are specified
+            by the Binding URL associated with the Destination.</p></li></ol></div><p>The exchange declare, queue declare and bind side effects can be suppressed using system
+        properties <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-DeclareExchanges"><code class="literal">qpid.declare_exchanges</code></a>, <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-DeclareQueues"><code class="literal">qpid.declare_queues</code></a> and <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-BindQueues"><code class="literal">qpid.bind_queues</code></a>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageConsumer-TopicSubscriptions"></a>5.6.2.&#160;Topic Subscriptions</h3></div></div></div><p>The Client implements each subscription to a Topic as separate queue on the
+        Broker. From the perspective of the JMS application this implementational detail is
+        irrelevant: the application never needs to directly address these queues. However, these
+        details are important when considering Management and Operational concerns.</p><p>Durable topic subscriptions use a <span class="emphasis"><em>durable</em></span> and
+          <span class="emphasis"><em>exclusive</em></span> queue named as follows:</p><pre class="programlisting">
+        clientid: + subscriptionId
+      </pre><p>where <code class="literal">subscriptionId</code> is that passed to the <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#createDurableSubscriber(javax.jms.Topic,%20java.lang.String)" target="_top">Session#createDurableSubscriber(javax.jms.Topic,java.lang.String)</a></p><p>Calling <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#unsubscribe(java.lang.String)" target="_top">Session#unsubscribe(java.lang.String)</a> deletes the underlying queue.</p><p>Non-durable topic subscriptions use a <span class="emphasis"><em>non-durable</em></span>,
+          <span class="emphasis"><em>exclusive</em></span> and <span class="emphasis"><em>auto-delete</em></span> queue named as
+        follows:</p><pre class="programlisting">
+        tmp + _ + ip + _ + port + _ + sequence
+      </pre><p>where <code class="literal">ip</code> is the ip address of the client with dots replaced by
+        underscores, <code class="literal">port</code> is the ephemeral port number assigned to the client's
+        connection, and <code class="literal">sequence</code> is a sequence number.</p><p>Closing the consumer (or closing the connection) will delete the underlying
+        queue.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageConsumer-MaximumDeliveryCount"></a>5.6.3.&#160;Maximum Delivery Count</h3></div></div></div><p>With this feature, the Broker keeps track of a number of times a message has been
+        delivered to a consumer. If the count ever exceeds a threshold value, the Broker moves the
+        message to a dead letter queue (DLQ). This is used to prevent poison messages preventing a
+        system's operation. This client feature requires support for the corresponding feature by
+        the Broker.</p><p>When using this feature, the application must either set system property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-RejectBehaviour">qpid.reject.behaviour</a> or
+        the Binding URL option <a class="link" href="JMS-Client-0-8-Binding-URL.html#JMS-Client-0-8-Binding-URL-Options-RejectBehaviour"><code class="literal">rejectbehaviour</code></a> to the value
+        <code class="literal">server</code>.</p><p>See <a class="link" href="../../java-broker/book/Java-Broker-Runtime-Handling-Undeliverable-Messages.html#Java-Broker-Runtime-Handling-Undeliverable-Messages-Maximum-Delivery-Count" target="_top"> Handling Undeliverable Messages</a> within the Apache Qpid Broker for Java book for full details of
+        the functioning of this feature.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The optional JMS message header <code class="literal">JMSXDeliveryCount</code> is
+            <span class="emphasis"><em>not</em></span> supported.</p></div></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-MessageProducer.html">Prev</a>&#160;</td><td align="center" width="20%"><a accesskey="u" href="JMS-Client-0-8-Client-Understanding.html">Up</a></td><td align="right" width="40%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-Destinations.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.5.&#160;MessageProducer&#160;</td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%">&#160;5.7.&#160;Destinations</td></tr></table></div></div>
+
+          <hr/>
+
+          <ul id="-apache-navigation">
+            <li><a href="http://www.apache.org/">Apache</a></li>
+            <li><a href="http://www.apache.org/licenses/">License</a></li>
+            <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
+            <li><a href="http://www.apache.org/foundation/thanks.html">Thanks!</a></li>
+            <li><a href="/security.html">Security</a></li>
+            <li><a href="http://www.apache.org/"><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li>
+          </ul>
+
+          <p id="-legal">
+            Apache Qpid, Messaging built on AMQP; Copyright &#169; 2015
+            The Apache Software Foundation; Licensed under
+            the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache
+            License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton,
+            Proton, Apache, the Apache feather logo, and the Apache Qpid
+            project logo are trademarks of The Apache Software
+            Foundation; All other marks mentioned may be trademarks or
+            registered trademarks of their respective owners
+          </p>
+        </div>
+      </div>
+    </div>
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/qpid-site/blob/7a90fd79/content/releases/qpid-java-6.1.0/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-MessageProducer.html
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+
+        <div id="-middle-content">
+          <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">5.5.&#160;MessageProducer</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-Session.html">Prev</a>&#160;</td><th align="center" width="60%">Chapter&#160;5.&#160;Understanding the Client</th><td align="right" width="20%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="JMS-Client-0-8-Client-Understanding-MessageProducer"></a>5.5.&#160;MessageProducer</h2></div></div></div><p>A MessageProducer sends a message an <span class="emphasis"><em>Exchange</em></span>. It is the Exchange
+      (within the Broker) that routes the message to zero or more queue(s). Routing is performed
+      according to rules expressed as <span class="emphasis"><em>bindings</em></span> between the exchange and queues
+      and a <span class="emphasis"><em>routing key</em></span> included with each message.</p><p>To understand how this mechanism is used to deliver messages to queues and topics, see
+        <a class="link" href="../../java-broker/book/Java-Broker-Concepts-Exchanges.html" target="_top">Exchanges</a>
+      within the Apache Qpid Broker for Java book.</p><p>It is important to understand that when synchronous publish is not exlicitly enabled,
+      <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/MessageProducer.html#send(javax.jms.Message)" target="_top">MessageProducer#send()</a> is <span class="emphasis"><em>asynchronous</em></span> in nature. When #send()
+      returns to the application, the application cannot be certain if the Broker has received the
+      message. The Client may not have yet started to send the message, the message could
+      residing in a TCP/IP buffer, or the messages could be in some intermediate buffer within the
+      Broker. If the application requires certainty the message has been received by the Broker, a
+        <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#SESSION_TRANSACTED" target="_top">transactional
+        session</a>
+      <span class="emphasis"><em>must</em></span> be used, or synchronous publishing must be enabled using either the
+      <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-SyncPublish">system property</a> or the
+      <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-SyncPublish">connection URL
+      option</a>.</p><p>Qpid JMS MessageProducers have a number of features above that required by JMS. These are
+      described in the sub-sections that follow.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageProducer-MandatoryMessage"></a>5.5.1.&#160;Mandatory Messages</h3></div></div></div><p>With this feature, publishing a message with a routing key for which no binding exists
+        on the exchange will result in the message being returned to the publisher's
+        connection.</p><p>The Message is returned to the application in an asynchronous fashion via the
+        Connection's <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/ExceptionListener.html" target="_top">ExceptionListener</a>. When a message is returned, it will be invoked with a
+        JMSException whose linked exception is an <a class="link" href="JMS-Client-0-8-Appendix-Exceptions-AMQNoRouteException" target="_top">AMQNoRouteException</a>.
+        The returned message is available to the application by calling
+        AMQNoRouteException#getUndeliveredMessage(). The ExceptionListener will be invoked exactly
+        once for each returned message.</p><p>If synchronous publishing has been enabled, and a mandatory message is returned, the
+      <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/MessageProducer.html#send(javax.jms.Message)" target="_top">MessageProducer#send()</a> method will throw a JMSException.
+      </p><p>The mandatory message feature is turned <span class="emphasis"><em>on</em></span> by default for Queue
+        destinations and <span class="emphasis"><em>off</em></span> for Topic destinations. This can be overridden
+        using system properties <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-DefaultMandatory"><code class="literal">qpid.default_mandatory</code></a> and <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-DefaultMandatoryTopic"><code class="literal">qpid.default_mandatory_topic</code></a> for Queues and Topics
+        respectively.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>If this the mandatory flag is not set, the Broker will treat <a class="link" href="../../java-broker/book/Java-Broker-Concepts-Exchanges.html#Java-Broker-Concepts-Exchanges-UnroutableMessage" target="_top">the messages as unroutable</a>.</p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageProducer-CloseWhenNoRoute"></a>5.5.2.&#160;Close When No Route</h3></div></div></div><p>With this feature, if a mandatory message is published with a routing key for which no
+        binding exists on the exchange the Broker will close the connection. This client feature
+        requires support for the corresponding feature by the Broker.</p><p>To enable or disable from the client, use the Connection URL option <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-CloseWhenNoRoute"><code class="literal">closeWhenNoRoute</code></a>.</p><p>See <a class="link" href="../../java-broker/book/Java-Broker-Runtime-Close-Connection-When-No-Route.html" target="_top">
+          Closing client connections on unroutable mandatory messages</a> within the Apache Qpid Broker for Java
+        book for full details of the functioning of this feature.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageProducer-ImmediateMessage"></a>5.5.3.&#160;Immediate Messages</h3></div></div></div><p>This feature is defined in <a class="link" href="http://www.amqp.org" target="_top">AMQP specifications</a>.</p><p>When this feature is enabled, when publishing a message the Broker ensures that a
+        Consumer is attached to queue. If there is no Consumer attached to the queue, the message is
+        returned to the publisher's connection. The Message is returned to the application in an
+        asynchronous fashion using the Connection's <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/ExceptionListener.html" target="_top">ExceptionListener</a>.</p><p>The ExceptionListener will be invoked with a JMSException whose linked exception is an
+          <a class="link" href="JMS-Client-0-8-Appendix-Exceptions-AMQNoConsumersException" target="_top">AMQNoConsumersException</a>. The returned message is available to the application by
+        calling AMQNoConsumersException#getUndeliveredMessage(). The ExceptionListener will be
+        invoked exactly once for each returned message.</p><p>If synchronous publishing has been enabled, and an immediate message is returned, the
+      <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/MessageProducer.html#send(javax.jms.Message)" target="_top">MessageProducer#send()</a> method will throw a JMSException.
+      </p><p>The immediate message feature is turned <span class="emphasis"><em>off</em></span> by default. It can be
+        enabled with system property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-DefaultImmediate"><code class="literal">qpid.default_immediate</code></a>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-MessageProducer-FlowControl"></a>5.5.4.&#160;Flow Control</h3></div></div></div><p>With this feature, if a message is sent to a queue that is overflow, the producer's
+        session is blocked until the queue becomes underfull, or a timeout expires. This client
+        feature requires support for the corresponding feature by the Broker.</p><p>To control the timeout use System property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-FlowControlWaitFailure"><code class="literal">qpid.flow_control_wait_failure</code></a>. To control the frequency with
+        which warnings are logged whilst a Session is blocked, use System property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-FlowControlWaitNotifyPeriod"><code class="literal">qpid.flow_control_wait_notify_period</code></a></p><p>See <a class="link" href="../../java-broker/book/Java-Broker-Runtime-Disk-Space-Management.html#Qpid-Producer-Flow-Control" target="_top"> Producer Flow Control</a> within the Apache Qpid Broker for Java book for full details of the
+        functioning of this feature.</p></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-Session.html">Prev</a>&#160;</td><td align="center" width="20%"><a accesskey="u" href="JMS-Client-0-8-Client-Understanding.html">Up</a></td><td align="right" width="40%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.4.&#160;Session&#160;</td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%">&#160;5.6.&#160;MessageConsumer</td></tr></table></div></div>
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+              <li><a href="/components/java-broker/index.html">Broker for Java</a></li>
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+
+        <div id="-middle-content">
+          <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">5.4.&#160;Session</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-Connection.html">Prev</a>&#160;</td><th align="center" width="60%">Chapter&#160;5.&#160;Understanding the Client</th><td align="right" width="20%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-MessageProducer.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="JMS-Client-0-8-Client-Understanding-Session"></a>5.4.&#160;Session</h2></div></div></div><p>A Session object is a single-threaded context for producing and consuming messages.</p><p>Session objects are created from the Connection. Whilst Session objects are relatively
+      lightweight, patterns utilising a single Session per message are not recommended.</p><p>The number of sessions open per connection at any one time is limited. This value is
+      negotiated when the connection is made. It defaults to 256.</p><p>Qpid JMS Sessions have the ability to prefetch messages to improve consumer performance.
+      This feature is described next.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Session-Prefecth"></a>5.4.1.&#160;Prefetch</h3></div></div></div><p>Prefetch specifies how many messages the client will optimistically cache for delivery
+        to a consumer. This is a useful parameter to tune that can improve the throughput of an
+        application. The prefetch buffer is scoped per <span class="emphasis"><em>Session</em></span>.</p><p>The size of the prefetch buffer can be tuned per Connection using the connection url
+        option <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-Maxprefetch"><code class="literal">maxprefetch</code></a> (or JVM wide using the system property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-Maxprefetch"><code class="literal">max_prefetch</code></a>). By default, prefetch defaults to 500.</p><p>There are situations when you may wish to consider reducing the size of prefetch:</p><p>
+        </p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>When using a <a class="link" href="http://www.eaipatterns.com/CompetingConsumers.html" target="_top">Competing Consumers</a> pattern, prefetch can give the appearance of unequal
+              division of work. This will be apparent on startup when the queue has messages. The
+              first consumer started will cache prefetch size number of messages, possibly leaving
+              the other consumers with no initial work.</p></li><li class="listitem"><p>When using special queue types (such as LVQs, Sorted Queue and Priority Queues).
+              For these queue types the special delivery rules apply whilst the message resides on
+              the Broker. As soon as the message is sent to the client it delivery order is then
+              fixed. For example, if using a priority queue, and a prefetch of 100, and 100 messages
+              arrive with priority 2, the broker will send these to the client. If then a new
+              message arrives with priority 1, the broker cannot leap frog messages of the lower
+              priority. The priority 1 message will be delivered at the front of the next
+              batch.</p></li><li class="listitem"><p>When message size is large and you do not wish the memory footprint of the
+              application to grow (or suffer an OutOfMemoryError).</p></li></ol></div><p>
+      </p><p>Finally, if using multiple MessageConsumers on a single Session, keep in mind that
+        unless you keep polling <span class="emphasis"><em>all</em></span> consumers, it is possible for some traffic
+        patterns to result in consumer starvation and an application level deadlock. For example, if
+        prefetch is 100, and 100 hundred messages arrive suitable for consumer A, those messages
+        will be prefetched by the session, entirely filling the prefetch buffer. Now if the
+        application performs a blocking <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/MessageConsumer.html#receive()" target="_top">MessageConsumer#receive()</a> for Consumer B on the same Session, the application
+        will hang indefinitely as even if messages suitable for B arrive at the Broker. Those
+        messages can never be sent to the Session as no space is available in prefetch. </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>Please note, when the acknowledgement mode
+            <span class="emphasis"><em>Session#SESSION_TRANSACTED</em></span> or
+            <span class="emphasis"><em>Session#CLIENT_ACKNOWLEDGE</em></span> is set on a consuming session, the
+          prefetched messages are released from the prefetch buffer on transaction commit/rollback
+          (in case of acknowledgement mode <span class="emphasis"><em>Session#SESSION_TRANSACTED</em></span> ) or
+          acknowledgement of the messages receipt (in case of acknowledgement mode
+            <span class="emphasis"><em>Session#CLIENT_ACKNOWLEDGE</em></span> ). If the consuming application does not
+          commit/rollback the receiving transaction (for example, due to mistakes in application
+          exception handling logic), the prefetched messages continue to remain in the prefetch
+          buffer preventing the delivery of the following messages. As result, the application might
+          stop the receiving of the messages until the transaction is committed/rolled back (for
+            <span class="emphasis"><em>Session#SESSION_TRANSACTED</em></span> ) or received messages are acknowledged
+          (for <span class="emphasis"><em>Session#CLIENT_ACKNOWLEDGE</em></span>).</p></div><p>
+          Settings maxprefetch to 0 ( either globally via JVM system property
+          <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-Maxprefetch"><code class="literal">max_prefetch</code></a>
+          or on a connection level as a connection option
+          <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-Maxprefetch"><code class="literal">maxprefetch</code></a> )
+          switches off the pre-fetching functionality. With maxprefetch=0 messages are fetched one by one without caching on the client.
+      </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p> Setting maxprefetch to 0 is recommended in Spring-JMS based applications whenever
+            <span class="emphasis"><em>DefaultMassgeListenerContainer</em></span> is configured with a
+            <span class="emphasis"><em>CachingConnectionFactory</em></span> that has <span class="emphasis"><em>cacheLevel</em></span>
+          set to either <span class="emphasis"><em>CACHE_CONSUMER</em></span> or <span class="emphasis"><em>CACHE_SESSION</em></span>.
+          In these configurations the Qpid JMS <span class="emphasis"><em>Session</em></span> objects remain open in
+          Spring's dynamically scaled pools. If maxprefetch is not 0, any prefetched messages held
+          by the <span class="emphasis"><em>Session</em></span> and any new ones subsequently sent to it (in the
+          background until prefetch is reached) will be effectively by 'stuck' (unavailable to the
+          application) until Spring decides to utilise the cached Session again. This can give the
+          impression that message delivery has stopped even though messages remain of the queue.
+          Setting maxprefetch to 0 prevents this problem from occurring.</p><p> If using maxprefetch &gt; 0 <span class="emphasis"><em>SingleConnectionFactory</em></span> must be
+          used. SingleConnectionFactory does not have the same session/consumer caching behaviour so
+          does not exhibit the same problem. </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Session-TemporaryQueues"></a>5.4.2.&#160;TemporaryQueues</h3></div></div></div><p>Temporary queues are exposed to Management in the same way as normal queues. Temporary
+        queue names take the form string <code class="literal">TempQueue</code> followed by a random
+        UUID.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Session-CreateQueue"></a>5.4.3.&#160;CreateQueue</h3></div></div></div><p>In the Client, <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#createQueue(java.lang.String)" target="_top">Session#createQueue()</a> accepts either a queue name, or a Binding URL. If only name
+        is specified the destination will be resolved into binding URL:
+        direct://amq.direct//&lt;queue name&gt;?routingkey='&lt;queue name&gt;'&amp;durable='true'. </p><p>Calling Session#createQueue() has no effect on the Broker.</p><p>Reiterating the advice from the JMS javadoc, it is suggested that this method is not
+        generally used. Instead, application should lookup Destinations declared within JNDI.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Session-CreateTopic"></a>5.4.4.&#160;CreateTopic</h3></div></div></div><p>In the Client, <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#createTopic(java.lang.String)" target="_top">Session#createTopic()</a> accepts either a topic name, or a Binding URL. If only name
+        is specified the destination will be resolved into binding URL: topic://amq.topic//&lt;topic
+        name&gt;?routingkey='&lt;topic name&gt;'.</p><p>Calling Session#createTopic() has no effect on the Broker.</p><p>Reiterating the advice from the JMS javadoc, it is suggested that this method is not
+        generally used. Instead, application should lookup Destinations declared within JNDI.</p></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-Connection.html">Prev</a>&#160;</td><td align="center" width="20%"><a accesskey="u" href="JMS-Client-0-8-Client-Understanding.html">Up</a></td><td align="right" width="40%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-MessageProducer.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.3.&#160;Connection&#160;</td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%">&#160;5.5.&#160;MessageProducer</td></tr></table></div></div>
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+
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+          <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">Chapter&#160;5.&#160;Understanding the Client</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Examples-PubSub.html">Prev</a>&#160;</td><th align="center" width="60%">&#160;</th><td align="right" width="20%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-ConnectionFactory.html">Next</a></td></tr></table><hr /></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="JMS-Client-0-8-Client-Understanding"></a>Chapter&#160;5.&#160;Understanding the Client</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding.html#JMS-Client-0-8-Client-Understanding-Overview">5.1. Overview</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Connection
 Factory.html">5.2. ConnectionFactory</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Connection.html">5.3. Connection</a></span></dt><dd><dl><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-Failover">5.3.1. Failover</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-Heartbeating">5.3.2. Heartbeating</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-SSL">5.3.3. SSL</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-MessageCompression">5.3.4. Message Compression</a></span></dt></dl></dd><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Session.html">5.4.
  Session</a></span></dt><dd><dl><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Session.html#JMS-Client-0-8-Client-Understanding-Session-Prefecth">5.4.1. Prefetch</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Session.html#JMS-Client-0-8-Client-Understanding-Session-TemporaryQueues">5.4.2. TemporaryQueues</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Session.html#JMS-Client-0-8-Client-Understanding-Session-CreateQueue">5.4.3. CreateQueue</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Session.html#JMS-Client-0-8-Client-Understanding-Session-CreateTopic">5.4.4. CreateTopic</a></span></dt></dl></dd><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageProducer.html">5.5. MessageProducer</a></span></dt><dd><dl><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageProducer.html#JMS-Client-0-8-Client-Un
 derstanding-MessageProducer-MandatoryMessage">5.5.1. Mandatory Messages</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageProducer.html#JMS-Client-0-8-Client-Understanding-MessageProducer-CloseWhenNoRoute">5.5.2. Close When No Route</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageProducer.html#JMS-Client-0-8-Client-Understanding-MessageProducer-ImmediateMessage">5.5.3. Immediate Messages</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageProducer.html#JMS-Client-0-8-Client-Understanding-MessageProducer-FlowControl">5.5.4. Flow Control</a></span></dt></dl></dd><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html">5.6. MessageConsumer</a></span></dt><dd><dl><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html#JMS-Client-0-8-Client-Understanding-MessageConsumer-ConsumerSideEffect">
 5.6.1. Consumers have Exchange/Queue Declaration and Binding Side Effect</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html#JMS-Client-0-8-Client-Understanding-MessageConsumer-TopicSubscriptions">5.6.2. Topic Subscriptions</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-MessageConsumer.html#JMS-Client-0-8-Client-Understanding-MessageConsumer-MaximumDeliveryCount">5.6.3. Maximum Delivery Count</a></span></dt></dl></dd><dt><span class="section"><a href="JMS-Client-0-8-Client-Understanding-Destinations.html">5.7. Destinations</a></span></dt></dl></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="JMS-Client-0-8-Client-Understanding-Overview"></a>5.1.&#160;Overview</h2></div></div></div><p>The Client provides a JMS 1.1 compliant implementation. As such, the primary
+      source of documentation is the <a class="link" href="http://download.oracle.com/otndocs/jcp/7195-jms-1.1-fr-spec-oth-JSpec/" target="_top">JMS specification</a> and the
+        <a class="link" href="http://docs.oracle.com/javaee/6/api//javax/jms/package-summary.html" target="_top">JMS javadocs</a>. This
+      documentation assumes the reader has familiarity with these resources.</p><p>The remainder of this section describes how the Client behaves and the effect(s)
+      making JMS method calls will have on the Broker. </p><p>There areas where the Client provides features beyond those required for JMS
+      compliance. These are described in the sections that follow.</p><p>These sections are also used to bring out differences that may surprise those moving from
+      JMS implementations provided by other vendors.</p><div class="figure"><a id="d0e327"></a><p class="title"><strong>Figure&#160;5.1.&#160;Architecture of a typical JMS application</strong></p><div class="figure-contents"><div class="mediaobject"><img alt="Architecture of a typical JMS application" src="images/QpidJmsOverview.png" /></div></div></div><br class="figure-break" /></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Examples-PubSub.html">Prev</a>&#160;</td><td align="center" width="20%">&#160;</td><td align="right" width="40%">&#160;<a accesskey="n" href="JMS-Client-0-8-Client-Understanding-ConnectionFactory.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">4.2.&#160;Publish/subscribe example&#160;</td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%">&#160;5.2.
 &#160;ConnectionFactory</td></tr></table></div></div>
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