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| Detecting Dead Connections |
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| Detecting Broker Issues (Critical Analysis) |
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| Resource Manager Configuration |
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| Flow Control |
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| Guarantees of sends and commits |
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| Message Redelivery and Undelivered Messages |
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| Message Expiry |
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| Large Messages |
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| Paging |
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| Scheduled Messages |
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| Last-Value Queues |
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| Ring Queues |
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| Retroactive Addresses |
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| Exclusive Queues |
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| Message Grouping |
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| Consumer Priority |
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| Extra Acknowledge Modes |
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| Management |
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| Management Console |
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| Metrics |
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| Security |
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| Masking Passwords |
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| Broker Plugins |
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| Resource Limits |
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| <a href="jms-bridge.html"> |
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| The JMS Bridge |
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| Client Reconnection and Session Reattachment |
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| Diverting and Splitting Message Flows |
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| Core Bridges |
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| Transformers |
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| <li class="chapter " data-level="1.58" data-path="duplicate-detection.html"> |
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| <a href="duplicate-detection.html"> |
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| Duplicate Message Detection |
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| </a> |
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| <li class="chapter " data-level="1.59" data-path="clusters.html"> |
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| <a href="clusters.html"> |
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| Clusters |
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| <li class="chapter " data-level="1.60" data-path="federation.html"> |
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| <a href="federation.html"> |
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| Federation |
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| <li class="chapter " data-level="1.60.1" data-path="federation-address.html"> |
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| <a href="federation-address.html"> |
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| Address Federation |
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| </a> |
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| <li class="chapter " data-level="1.60.2" data-path="federation-queue.html"> |
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| <a href="federation-queue.html"> |
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| Queue Federation |
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| </a> |
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| <a href="ha.html"> |
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| High Availability and Failover |
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| </a> |
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| <a href="graceful-shutdown.html"> |
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| Graceful Server Shutdown |
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| </a> |
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| <li class="chapter " data-level="1.63" data-path="libaio.html"> |
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| <a href="libaio.html"> |
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| Libaio Native Libraries |
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| </a> |
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| </li> |
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| <li class="chapter " data-level="1.64" data-path="thread-pooling.html"> |
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| <a href="thread-pooling.html"> |
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| Thread management |
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| </a> |
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| <li class="chapter " data-level="1.65" data-path="web-server.html"> |
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| <a href="web-server.html"> |
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| Embedded Web Server |
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| </a> |
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| <li class="chapter " data-level="1.66" data-path="logging.html"> |
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| <a href="logging.html"> |
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| Logging |
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| </a> |
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| <li class="chapter " data-level="1.67" data-path="rest.html"> |
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| <a href="rest.html"> |
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| REST Interface |
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| </a> |
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| <li class="chapter " data-level="1.68" data-path="embedding-activemq.html"> |
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| <a href="embedding-activemq.html"> |
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| Embedding the Broker |
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| </a> |
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| <li class="chapter " data-level="1.69" data-path="karaf.html"> |
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| <a href="karaf.html"> |
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| Apache Karaf |
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| </a> |
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| <a href="tomcat.html"> |
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| Apache Tomcat |
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| <li class="chapter " data-level="1.71" data-path="spring-integration.html"> |
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| <a href="spring-integration.html"> |
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| Spring Integration |
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| </a> |
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| <li class="chapter " data-level="1.72" data-path="cdi-integration.html"> |
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| <a href="cdi-integration.html"> |
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| CDI Integration |
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| </a> |
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| <li class="chapter " data-level="1.73" data-path="intercepting-operations.html"> |
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| <a href="intercepting-operations.html"> |
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| Intercepting Operations |
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| </a> |
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| <a href="data-tools.html"> |
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| Data Tools |
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| </a> |
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| <li class="chapter " data-level="1.75" data-path="maven-plugin.html"> |
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| <a href="maven-plugin.html"> |
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| <h1> |
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| <a href="." >OpenWire</a> |
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| |
| <h1 id="openwire">OpenWire</h1> |
| <p>Apache ActiveMQ Artemis supports the |
| <a href="http://activemq.apache.org/openwire.html" target="_blank">OpenWire</a> protocol so that an Apache |
| ActiveMQ 5.x JMS client can talk directly to an Apache ActiveMQ Artemis server. |
| By default there is an <code>acceptor</code> configured to accept OpenWire connections on |
| port <code>61616</code>.</p> |
| <p>See the general <a href="protocols-interoperability.html">Protocols and Interoperability</a> |
| chapter for details on configuring an <code>acceptor</code> for OpenWire.</p> |
| <p>Refer to the OpenWire examples for a look at this functionality in action.</p> |
| <h2 id="connection-monitoring">Connection Monitoring</h2> |
| <p>OpenWire has a few parameters to control how each connection is monitored, they |
| are:</p> |
| <ul> |
| <li><p><code>maxInactivityDuration</code></p> |
| <p>It specifies the time (milliseconds) after which the connection is closed by |
| the broker if no data was received. Default value is 30000.</p> |
| </li> |
| <li><p><code>maxInactivityDurationInitalDelay</code></p> |
| <p>It specifies the maximum delay (milliseconds) before inactivity monitoring is |
| started on the connection. It can be useful if a broker is under load with many |
| connections being created concurrently. Default value is 10000.</p> |
| </li> |
| <li><p><code>useInactivityMonitor</code></p> |
| <p>A value of false disables the InactivityMonitor completely and connections |
| will never time out. By default it is enabled. On broker side you don't neet |
| set this. Instead you can set the connection-ttl to -1.</p> |
| </li> |
| <li><p><code>useKeepAlive</code></p> |
| <p>Whether or not to send a KeepAliveInfo on an idle connection to prevent it |
| from timing out. Enabled by default. Disabling the keep alive will still make |
| connections time out if no data was received on the connection for the |
| specified amount of time.</p> |
| </li> |
| </ul> |
| <p>Note at the beginning the InactivityMonitor negotiates the appropriate |
| <code>maxInactivityDuration</code> and <code>maxInactivityDurationInitalDelay</code>. The shortest |
| duration is taken for the connection.</p> |
| <p>Fore more details please see <a href="http://activemq.apache.org/activemq-inactivitymonitor.html" target="_blank">ActiveMQ |
| InactivityMonitor</a>.</p> |
| <h2 id="disableenable-advisories">Disable/Enable Advisories</h2> |
| <p>By default, advisory topics (<a href="http://activemq.apache.org/advisory-message.html" target="_blank">ActiveMQ |
| Advisory</a>) are created in |
| order to send certain type of advisory messages to listening clients. As a |
| result, advisory addresses and queues will be displayed on the management |
| console, along with user deployed addresses and queues. This sometimes cause |
| confusion because the advisory objects are internally managed without user |
| being aware of them. In addition, users may not want the advisory topics at all |
| (they cause extra resources and performance penalty) and it is convenient to |
| disable them at all from the broker side.</p> |
| <p>The protocol provides two parameters to control advisory behaviors on the |
| broker side.</p> |
| <ul> |
| <li><p><code>supportAdvisory</code></p> |
| <p>Whether or not the broker supports advisory messages. If the value is true, |
| advisory addresses/queues will be created. If the value is false, no advisory |
| addresses/queues are created. Default value is <code>true</code>. </p> |
| </li> |
| <li><p><code>suppressInternalManagementObjects</code></p> |
| <p>Whether or not the advisory addresses/queues, if any, will be registered to |
| management service (e.g. JMX registry). If set to true, no advisory |
| addresses/queues will be registered. If set to false, those are registered and |
| will be displayed on the management console. Default value is <code>true</code>.</p> |
| </li> |
| </ul> |
| <p>The two parameters are configured on an OpenWire <code>acceptor</code>, e.g.:</p> |
| <pre><code class="lang-xml"><span class="hljs-tag"><<span class="hljs-name">acceptor</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"artemis"</span>></span>tcp://localhost:61616?protocols=OPENWIRE;supportAdvisory=true;suppressInternalManagementObjects=false<span class="hljs-tag"></<span class="hljs-name">acceptor</span>></span> |
| </code></pre> |
| <h2 id="virtual-topic-consumer-destination-translation">Virtual Topic Consumer Destination Translation</h2> |
| <p>For existing OpenWire consumers of virtual topic destinations it is possible to |
| configure a mapping function that will translate the virtual topic consumer |
| destination into a FQQN address. This address will then represents the consumer as a |
| multicast binding to an address representing the virtual topic. </p> |
| <p>The configuration string property <code>virtualTopicConsumerWildcards</code> has two parts |
| separated by a <code>;</code>. The first is the 5.x style destination filter that |
| identifies the destination as belonging to a virtual topic. The second |
| identifies the number of <code>paths</code> that identify the consumer queue such that it |
| can be parsed from the destination. For example, the default 5.x virtual topic |
| with consumer prefix of <code>Consumer.*.</code>, would require a |
| <code>virtualTopicConsumerWildcards</code> filter of <code>Consumer.*.>;2</code>. As a url parameter |
| this transforms to <code>Consumer.*.%3E%3B2</code> when the url significant characters |
| <code>>;</code> are escaped with their hex code points. In an <code>acceptor</code> url it would be:</p> |
| <pre><code class="lang-xml"><span class="hljs-tag"><<span class="hljs-name">acceptor</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"artemis"</span>></span>tcp://localhost:61616?protocols=OPENWIRE;virtualTopicConsumerWildcards=Consumer.*.%3E%3B2<span class="hljs-tag"></<span class="hljs-name">acceptor</span>></span> |
| </code></pre> |
| <p>This will translate <code>Consumer.A.VirtualTopic.Orders</code> into a FQQN of |
| <code>VirtualTopic.Orders::Consumer.A.VirtualTopic.Orders</code> using the int component <code>2</code> of the |
| configuration to identify the consumer queue as the first two paths of the |
| destination. <code>virtualTopicConsumerWildcards</code> is multi valued using a <code>,</code> |
| separator.</p> |
| <p>Please see Virtual Topic Mapping example contained in the OpenWire |
| <a href="examples.html">examples</a>.</p> |
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