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Posted to commits@camel.apache.org by bu...@apache.org on 2017/06/15 16:25:46 UTC
svn commit: r1014092 [9/14] - in /websites/production/camel/content: ./
2008/04/08/ 2009/01/19/ 2009/10/26/ 2012/01/17/ 2012/03/01/ 2017/06/
2017/06/15/ cache/
Modified: websites/production/camel/content/mongodb.html
==============================================================================
--- websites/production/camel/content/mongodb.html (original)
+++ websites/production/camel/content/mongodb.html Thu Jun 15 16:25:44 2017
@@ -99,7 +99,7 @@
</div></div><h2 id="MongoDB-Endpointoptions">Endpoint options</h2><p>MongoDB endpoints support the following options, depending on whether they are acting like a Producer or as a Consumer (options vary based on the consumer type too).</p><div class="confluenceTableSmall"> </div>
-<div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Default Value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Producer</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Tailable Cursor Consumer</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>database</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required.</strong> The name of the database to which this endpoint will be bound. All operations will be executed against this database unless dynamicity is enabled and the <code>CamelMongoDbDatabase</code> header is set.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.o
rg/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>collection</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required (Except for <span>getDbStats and command operations)</span>.</strong> The name of the collection (within the specified database) to which this endpoint will be bound. All operations will be executed against this database unless dynamicity is enabled and the <code>CamelMongoDbDatabase</code> header is set.</p></td><td colspan="1" rowspa
n="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>collectionIndex</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong><strong>Available as of </strong>Camel 2.12:</strong> An optional <a shape="rect" class="external-link" href="http://docs.mongodb.org/manual/core/index-single/" rel="nofollow">single field index</a> or <a shape="rect" class="external-link" href="http://docs.
mongodb.org/manual/core/index-compound/" rel="nofollow">compound index</a> to create when inserting new collections.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>operation</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required for producers.</strong> The id of the operation this endpoint will execute. Pick from the following:</p><ul><li>Query operations: <code>findById</code>, <code>findOneByQuery</code>, <code>findAll</code>, <code>count</code></li><li>Write operations: <code>insert</code>, <code>save</code>, <code>update</code></
li><li>Delete operations: <code>remove</code></li><li>Other operations: <code>getDbStats</code>, <code>getColStats</code>, <code>aggregate,<span> </span>command</code></li></ul></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>createCollection</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>true</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Determines whether the collection will be automatically created in the MongoDB database during endpoint initialisation if it doesn't exist already. If this option is <code>false</code> and the collection doesn't exist, an initialisation exception will be thr
own.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>invokeGetLastError</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false (behaviour may be inherited from connections WriteConcern)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Remove in camel 2.16</strong></p><p>Instructs the MongoDB Java driver to invoke <code>getLastError()</code> after every call. Default behaviour in version 2.7.2 of the MongoDB Java driver is that only network errors will cause the operation to fail, because the actual operation is executed asynchronously in the MongoDB server without holding up the client - to
increase performance. The client can obtain the real result of the operation by explicitly invoking <code>getLastError()</code> on the <code>WriteResult</code> object returned or by setting the appropriate <code>WriteConcern</code>. If the backend operation has not finished yet, the client will block until the result is available. Setting this option to <code>true</code> will make the endpoint behave synchronously and return an Exception if the underlying operation failed.</p><p>WriteConcern should be preferred to detect if write occurs without errors. MongoDB strongly discourage to use this method as it is not reliable.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1
" rowspan="1" class="confluenceTd"><p><code>writeConcern</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none (driver's default)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Set a <code>WriteConcern</code> on the operation out of MongoDB's parameterised values. See <a shape="rect" class="external-link" href="http://api.mongodb.org/java/current/com/mongodb/WriteConcern.html#valueOf(java.lang.String)" rel="nofollow">WriteConcern.valueOf(String)</a>.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>writeConcernRef</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Sets a custom <code>WriteConcern</code> that exists in the Registry. Specify the bean name.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>readPreference</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Available as of Camel 2.12.4, 2.13.1 and 2.14.0:</strong> Sets a <a shape="rect" class="external-link" href="http://api.mongodb.org/java/current/com/mongodb/ReadPreference.html" rel="nofollow">ReadPreference</a> on the connection. Accepted values are those supported by the <a shape="rect" c
lass="external-link" href="http://api.mongodb.org/java/current/com/mongodb/ReadPreference.html#valueOf(java.lang.String)" rel="nofollow">ReadPreference#valueOf()</a> public API. Currently as of MongoDB-Java-Driver version 2.12.0 the supported values are: <code>primary</code>, <code>primaryPreferred</code>, <code>secondary</code>, <code>secondaryPreferred</code> and <code>nearest</code>. See also the <a shape="rect" class="external-link" href="http://docs.mongodb.org/manual/core/read-preference/" rel="nofollow">documentation</a> for more details about this option.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>dynamicity</code
></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>If set to true, the endpoint will inspect the <code>CamelMongoDbDatabase</code> and <code>CamelMongoDbCollection</code> headers of the incoming message, and if any of them exists, the target collection and/or database will be overridden for that particular operation. Set to false by default to avoid triggering the lookup on every Exchange if the feature is not desired.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>writeResultAsHeader</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p
>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Available as of Camel 2.10.3 and 2.11:</strong> In write operations (save, update, insert, etc.), instead of replacing the body with the WriteResult object returned by MongoDB, keep the input body untouched and place the WriteResult in the <code>CamelMongoWriteResult</code> header (constant <code>MongoDbConstants.WRITERESULT</code>).</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>outputType</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>DBObjectList for findAll<br clear="none">DBObject for all other operations</p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><strong>Available as of Camel 2.16 :</strong> Convert the output of the producer to the selected type : "DBObjectList", "DBObject" or "DBCursor" :<br clear="none">DBObjectList or DBCursor (may be useful to stream the output) applies to findAll.<br clear="none">DBObject applies to all other operations.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"> </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>persistentTailTracking</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Enables or disables persistent tail tracking for Tailable Cursor consumers. See below for more information.</
p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>persistentId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required if persistent tail tracking is enabled.</strong> The id of this persistent tail tracker, to separate its records from the rest on the tail-tracking collection.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/ima
ges/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackingIncreasingField</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required if persistent tail tracking is enabled.</strong> Correlation field in the incoming record which is of increasing nature and will be used to position the tailing cursor every time it is generated. The cursor will be (re)created with a query of type: tailTrackIncreasingField > lastValue (where lastValue is possibly recovered from persistent tail tracking). Can be of type Integer, Date, String, etc. NOTE: No support for dot notation at the current time, so the field should be at the top level of the document.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-ti
ck" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>cursorRegenerationDelay</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>1000ms</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Establishes how long the endpoint will wait to regenerate the cursor after it has been killed by the MongoDB server (normal behaviour).</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackDb</code></p></td><td colspan="
1" rowspan="1" class="confluenceTd"><p>same as endpoint's</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Database on which the persistent tail tracker will store its runtime information.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackCollection</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>camelTailTracking</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Collection on which the persistent tail tracker will store its runtime information.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class
="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackField</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>lastTrackingValue</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Field in which the persistent tail tracker will store the last tracked value.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr></tbody></table></div><h2 id="MongoDB-ConfigurationofdatabaseinSpringXML">Configuration of database in Spring XML</h2><p>The following S
pring XML creates a bean defining the connection to a MongoDB instance.</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Default Value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Producer</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Tailable Cursor Consumer</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>database</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required.</strong> The name of the database to which this endpoint will be bound. All operations will be executed against this database unless dynamicity is enabled and the <code>CamelMongoDbDatabase</code> header is set.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.o
rg/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>collection</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required (Except for <span>getDbStats and command operations)</span>.</strong> The name of the collection (within the specified database) to which this endpoint will be bound. All operations will be executed against this database unless dynamicity is enabled and the <code>CamelMongoDbDatabase</code> header is set.</p></td><td colspan="1" rowspa
n="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>collectionIndex</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong><strong>Available as of </strong>Camel 2.12:</strong> An optional <a shape="rect" class="external-link" href="http://docs.mongodb.org/manual/core/index-single/" rel="nofollow">single field index</a> or <a shape="rect" class="external-link" href="http://docs.
mongodb.org/manual/core/index-compound/" rel="nofollow">compound index</a> to create when inserting new collections.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>operation</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required for producers.</strong> The id of the operation this endpoint will execute. Pick from the following:</p><ul><li>Query operations: <code>findById</code>, <code>findOneByQuery</code>, <code>findAll</code>, <code>count</code></li><li>Write operations: <code>insert</code>, <code>save</code>, <code>update</code></
li><li>Delete operations: <code>remove</code></li><li>Other operations: <code>getDbStats</code>, <code>getColStats</code>, <code>aggregate,<span> </span>command</code></li></ul></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>createCollection</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>true</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Determines whether the collection will be automatically created in the MongoDB database during endpoint initialisation if it doesn't exist already. If this option is <code>false</code> and the collection doesn't exist, an initialisation exception will be thr
own.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>invokeGetLastError</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false (behaviour may be inherited from connections WriteConcern)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Remove in camel 2.16</strong></p><p>Instructs the MongoDB Java driver to invoke <code>getLastError()</code> after every call. Default behaviour in version 2.7.2 of the MongoDB Java driver is that only network errors will cause the operation to fail, because the actual operation is executed asynchronously in the MongoDB server without holding up the client - to
increase performance. The client can obtain the real result of the operation by explicitly invoking <code>getLastError()</code> on the <code>WriteResult</code> object returned or by setting the appropriate <code>WriteConcern</code>. If the backend operation has not finished yet, the client will block until the result is available. Setting this option to <code>true</code> will make the endpoint behave synchronously and return an Exception if the underlying operation failed.</p><p>WriteConcern should be preferred to detect if write occurs without errors. MongoDB strongly discourage to use this method as it is not reliable.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1
" rowspan="1" class="confluenceTd"><p><code>writeConcern</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none (driver's default)</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Set a <code>WriteConcern</code> on the operation out of MongoDB's parameterised values. See <a shape="rect" class="external-link" href="http://api.mongodb.org/java/current/com/mongodb/WriteConcern.html#valueOf(java.lang.String)" rel="nofollow">WriteConcern.valueOf(String)</a>.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>writeConcernRef</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>Sets a custom <code>WriteConcern</code> that exists in the Registry. Specify the bean name.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>readPreference</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Available as of Camel 2.12.4, 2.13.1 and 2.14.0:</strong> Sets a <a shape="rect" class="external-link" href="http://api.mongodb.org/java/current/com/mongodb/ReadPreference.html" rel="nofollow">ReadPreference</a> on the connection. Accepted values are those supported by the <a shape="rect" c
lass="external-link" href="http://api.mongodb.org/java/current/com/mongodb/ReadPreference.html#valueOf(java.lang.String)" rel="nofollow">ReadPreference#valueOf()</a> public API. Currently as of MongoDB-Java-Driver version 2.12.0 the supported values are: <code>primary</code>, <code>primaryPreferred</code>, <code>secondary</code>, <code>secondaryPreferred</code> and <code>nearest</code>. See also the <a shape="rect" class="external-link" href="http://docs.mongodb.org/manual/core/read-preference/" rel="nofollow">documentation</a> for more details about this option.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>dynamicity</code
></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>If set to true, the endpoint will inspect the <code>CamelMongoDbDatabase</code> and <code>CamelMongoDbCollection</code> headers of the incoming message, and if any of them exists, the target collection and/or database will be overridden for that particular operation. Set to false by default to avoid triggering the lookup on every Exchange if the feature is not desired.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>writeResultAsHeader</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p
>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Available as of Camel 2.10.3 and 2.11:</strong> In write operations (save, update, insert, etc.), instead of replacing the body with the WriteResult object returned by MongoDB, keep the input body untouched and place the WriteResult in the <code>CamelMongoWriteResult</code> header (constant <code>MongoDbConstants.WRITERESULT</code>).</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>outputType</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>DBObjectList for findAll<br clear="none">DBObject for all other operations</p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><strong>Available as of Camel 2.16 :</strong> Convert the output of the producer to the selected type : "DBObjectList", "DBObject" or "DBCursor" :<br clear="none">DBObjectList or DBCursor (may be useful to stream the output) applies to findAll.<br clear="none">DBObject applies to all other operations.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td><td colspan="1" rowspan="1" class="confluenceTd"> </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>persistentTailTracking</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Enables or disables persistent tail tracking for Tailable Cursor consumers. See below for more information.</
p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>persistentId</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required if persistent tail tracking is enabled.</strong> The id of this persistent tail tracker, to separate its records from the rest on the tail-tracking collection.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/ima
ges/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackingIncreasingField</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>none</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><strong>Required if persistent tail tracking is enabled.</strong> Correlation field in the incoming record which is of increasing nature and will be used to position the tailing cursor every time it is generated. The cursor will be (re)created with a query of type: tailTrackIncreasingField > lastValue (where lastValue is possibly recovered from persistent tail tracking). Can be of type Integer, Date, String, etc. NOTE: No support for dot notation at the current time, so the field should be at the top level of the document.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-ti
ck" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>cursorRegenerationDelay</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>1000ms</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Establishes how long the endpoint will wait to regenerate the cursor after it has been killed by the MongoDB server (normal behaviour).</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackDb</code></p></td><td colspan="
1" rowspan="1" class="confluenceTd"><p>same as endpoint's</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Database on which the persistent tail tracker will store its runtime information.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackCollection</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>camelTailTracking</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Collection on which the persistent tail tracker will store its runtime information.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class
="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><code>tailTrackField</code></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>lastTrackingValue</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Field in which the persistent tail tracker will store the last tracked value.</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p> </p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><img class="emoticon emoticon-tick" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/check.png" data-emoticon-name="tick" alt="(tick)"></p></td></tr></tbody></table></div><h2 id="MongoDB-ConfigurationofdatabaseinSpringXML">Configuration of database in Spring XML</h2><p>The following S
pring XML creates a bean defining the connection to a MongoDB instance.</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
Modified: websites/production/camel/content/news.html
==============================================================================
--- websites/production/camel/content/news.html (original)
+++ websites/production/camel/content/news.html Thu Jun 15 16:25:44 2017
@@ -88,6 +88,26 @@
<img class="userLogo logo" src="news.userimage/gzurowski-89607-pp-wojtek-avatar.png" alt="User icon: gzurowski" title="gzurowski">
</a> </span>
<span class="blogHeading">
+ <a shape="rect" class="blogHeading" href="2017/06/15/apache-camel-2191-released.html">Apache Camel 2.19.1 Released</a>
+ </span><div class="page-metadata not-personal"> <a shape="rect" class="url fn confluence-userlink" href=" /confluence/display/~gzurowski ">Gregor Zurowski</a> posted on Jun 15, 2017</div>
+
+ </div>
+
+ <div class="wiki-content">
+ <p>The Camel community announces the immediate availability of the new patch release Camel 2.19.1. This release contains 57 fixes applied in the past few weeks by the community on the Camel 2.19.x maintenance branch.</p><p>The artifacts are published and ready for you to <a shape="rect" class="external-link" href="http://camel.apache.org/download.html">download</a> either from the Apache mirrors or from the Central Maven repository. For more details please take a look at the <a shape="rect" class="external-link" href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12340460&projectId=12311211">release notes</a>.</p><p>Many thanks to all who made this release possible.</p><p>On behalf of the Camel PMC,<br clear="none">Gregor Zurowski</p>
+ </div>
+
+
+ </div>
+
+
+<div class="blog-post-listing">
+ <div class="logo-heading-block">
+ <span class="logoBlock">
+ <a shape="rect" class="userLogoLink" href=" /confluence/display/~gzurowski ">
+ <img class="userLogo logo" src="news.userimage/gzurowski-89607-pp-wojtek-avatar.png" alt="User icon: gzurowski" title="gzurowski">
+ </a> </span>
+ <span class="blogHeading">
<a shape="rect" class="blogHeading" href="2017/05/25/apache-camel-2184-released.html">Apache Camel 2.18.4 Released</a>
</span><div class="page-metadata not-personal"> <a shape="rect" class="url fn confluence-userlink" href=" /confluence/display/~gzurowski ">Gregor Zurowski</a> posted on May 25, 2017</div>
@@ -458,26 +478,6 @@
</div>
- </div>
-
-
-<div class="blog-post-listing">
- <div class="logo-heading-block">
- <span class="logoBlock">
- <a shape="rect" class="userLogoLink" href=" /confluence/display/~gzurowski ">
- <img class="userLogo logo" src="news.userimage/gzurowski-89607-pp-wojtek-avatar.png" alt="User icon: gzurowski" title="gzurowski">
- </a> </span>
- <span class="blogHeading">
- <a shape="rect" class="blogHeading" href="2016/10/09/apache-camel-2180-released.html">Apache Camel 2.18.0 Released</a>
- </span><div class="page-metadata not-personal"> <a shape="rect" class="url fn confluence-userlink" href=" /confluence/display/~gzurowski ">Gregor Zurowski</a> posted on Oct 09, 2016</div>
-
- </div>
-
- <div class="wiki-content">
- <p>The Camel community announces the immediate availability of the new minor release Camel 2.18.0. This release contains over 500 fixes and improvements. <span style="color: rgb(34,34,34);">It is also the first release that </span><span style="color: rgb(34,34,34);">requires Java 8 and comes with a much-improved Spring Boot support.</span></p><p>The artifacts are published and ready for you to <a shape="rect" href="https://cwiki.apache.org/confluence/display/CAMEL/Download">download</a> either from the Apache mirrors or from the Central Maven repository. For more details please take a look at the <a shape="rect" class="external-link" href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12334759&projectId=12311211">release notes</a>.</p><p>Many thanks to all who made this release possible.</p><p>On behalf of the Camel PMC,<br clear="none">Gregor Zurowski</p>
- </div>
-
-
</div>
</div>
</td>
Modified: websites/production/camel/content/parallel-processing-and-ordering.html
==============================================================================
--- websites/production/camel/content/parallel-processing-and-ordering.html (original)
+++ websites/production/camel/content/parallel-processing-and-ordering.html Thu Jun 15 16:25:44 2017
@@ -84,7 +84,7 @@
<tbody>
<tr>
<td valign="top" width="100%">
-<div class="wiki-content maincontent"><h2 id="ParallelProcessingandOrdering-ParallelProcessingandOrdering">Parallel Processing and Ordering</h2><p>It is a common requirement to want to use parallel processing of messages for throughput and load balancing, while at the same time process certain kinds of messages in order.</p><h3 id="ParallelProcessingandOrdering-Howtoachieveparallelprocessing">How to achieve parallel processing</h3><p>You can send messages to a number of Camel <a shape="rect" href="components.html">Components</a> to achieve parallel processing and load balancing such as</p><ul><li><a shape="rect" href="seda.html">SEDA</a> for in-JVM load balancing across a thread pool</li><li><a shape="rect" href="activemq.html">ActiveMQ</a> or <a shape="rect" href="jms.html">JMS</a> for distributed load balancing and parallel processing</li><li><a shape="rect" href="jpa.html">JPA</a> for using the database as a poor mans message broker</li></ul><p>When processing messages concurrent
ly, you should consider ordering and concurrency issues. These are described below</p><h4 id="ParallelProcessingandOrdering-Concurrencyissues">Concurrency issues</h4><p>Note that there is no concurrency or locking issue when using <a shape="rect" href="activemq.html">ActiveMQ</a>, <a shape="rect" href="jms.html">JMS</a> or <a shape="rect" href="seda.html">SEDA</a> by design; they are designed for highly concurrent use. However there are possible concurrency issues in the <a shape="rect" href="processor.html">Processor</a> of the messages i.e. what the processor does with the message?</p><p>For example if a processor of a message transfers money from one account to another account; you probably want to use a database with pessimistic locking to ensure that operation takes place atomically.</p><h4 id="ParallelProcessingandOrdering-Orderingissues">Ordering issues</h4><p>As soon as you send multiple messages to different threads or processes you will end up with an unknown ordering acro
ss the entire message stream as each thread is going to process messages concurrently.</p><p>For many use cases the order of messages is not too important. However for some applications this can be crucial. e.g. if a customer submits a purchase order version 1, then amends it and sends version 2; you don't want to process the first version last (so that you loose the update). Your <a shape="rect" href="processor.html">Processor</a> might be clever enough to ignore old messages. If not you need to preserve order.</p><h3 id="ParallelProcessingandOrdering-Recommendations">Recommendations</h3><p>This topic is large and diverse with lots of different requirements; but from a high level here are our recommendations on parallel processing, ordering and concurrency</p><ul><li>for distributed locking, use a database by default, they are very good at it <img class="emoticon emoticon-smile" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/image
s/icons/emoticons/smile.png" data-emoticon-name="smile" alt="(smile)"></li><li>to preserve ordering across a JMS queue consider using <a shape="rect" class="external-link" href="http://activemq.apache.org/exclusive-consumer.html">Exclusive Consumers</a> in the <a shape="rect" href="activemq.html">ActiveMQ</a> component</li><li>even better are <a shape="rect" class="external-link" href="http://activemq.apache.org/message-groups.html">Message Groups</a> which allows you to preserve ordering across messages while still offering parallelisation via the <strong>JMSXGroupID</strong> header to determine what can be parallelized</li><li>if you receive messages out of order you could use the <a shape="rect" href="resequencer.html">Resequencer</a> to put them back together again</li></ul><p>A good rule of thumb to help reduce ordering problems is to make sure each single can be processed as an atomic unit in parallel (either without concurrency issues or using say, database locking); or if it
can't, use a <a shape="rect" class="external-link" href="http://activemq.apache.org/message-groups.html">Message Group</a> to relate the messages together which need to be processed in order by a single thread.</p><h3 id="ParallelProcessingandOrdering-UsingMessageGroupswithCamel">Using Message Groups with Camel</h3><p>To use a Message Group with Camel you just need to add a header to the output JMS message based on some kind of <a shape="rect" href="correlation-identifier.html">Correlation Identifier</a> to correlate messages which should be processed in order by a single thread - so that things which don't correlate together can be processed concurrently.</p><p>For example the following code shows how to create a message group using an XPath expression taking an invoice's product code as the <a shape="rect" href="correlation-identifier.html">Correlation Identifier</a></p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<div class="wiki-content maincontent"><h2 id="ParallelProcessingandOrdering-ParallelProcessingandOrdering">Parallel Processing and Ordering</h2><p>It is a common requirement to want to use parallel processing of messages for throughput and load balancing, while at the same time process certain kinds of messages in order.</p><h3 id="ParallelProcessingandOrdering-Howtoachieveparallelprocessing">How to achieve parallel processing</h3><p>You can send messages to a number of Camel <a shape="rect" href="components.html">Components</a> to achieve parallel processing and load balancing such as</p><ul><li><a shape="rect" href="seda.html">SEDA</a> for in-JVM load balancing across a thread pool</li><li><a shape="rect" href="activemq.html">ActiveMQ</a> or <a shape="rect" href="jms.html">JMS</a> for distributed load balancing and parallel processing</li><li><a shape="rect" href="jpa.html">JPA</a> for using the database as a poor mans message broker</li></ul><p>When processing messages concurrent
ly, you should consider ordering and concurrency issues. These are described below</p><h4 id="ParallelProcessingandOrdering-Concurrencyissues">Concurrency issues</h4><p>Note that there is no concurrency or locking issue when using <a shape="rect" href="activemq.html">ActiveMQ</a>, <a shape="rect" href="jms.html">JMS</a> or <a shape="rect" href="seda.html">SEDA</a> by design; they are designed for highly concurrent use. However there are possible concurrency issues in the <a shape="rect" href="processor.html">Processor</a> of the messages i.e. what the processor does with the message?</p><p>For example if a processor of a message transfers money from one account to another account; you probably want to use a database with pessimistic locking to ensure that operation takes place atomically.</p><h4 id="ParallelProcessingandOrdering-Orderingissues">Ordering issues</h4><p>As soon as you send multiple messages to different threads or processes you will end up with an unknown ordering acro
ss the entire message stream as each thread is going to process messages concurrently.</p><p>For many use cases the order of messages is not too important. However for some applications this can be crucial. e.g. if a customer submits a purchase order version 1, then amends it and sends version 2; you don't want to process the first version last (so that you loose the update). Your <a shape="rect" href="processor.html">Processor</a> might be clever enough to ignore old messages. If not you need to preserve order.</p><h3 id="ParallelProcessingandOrdering-Recommendations">Recommendations</h3><p>This topic is large and diverse with lots of different requirements; but from a high level here are our recommendations on parallel processing, ordering and concurrency</p><ul><li>for distributed locking, use a database by default, they are very good at it <img class="emoticon emoticon-smile" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/image
s/icons/emoticons/smile.png" data-emoticon-name="smile" alt="(smile)"></li><li>to preserve ordering across a JMS queue consider using <a shape="rect" class="external-link" href="http://activemq.apache.org/exclusive-consumer.html">Exclusive Consumers</a> in the <a shape="rect" href="activemq.html">ActiveMQ</a> component</li><li>even better are <a shape="rect" class="external-link" href="http://activemq.apache.org/message-groups.html">Message Groups</a> which allows you to preserve ordering across messages while still offering parallelisation via the <strong>JMSXGroupID</strong> header to determine what can be parallelized</li><li>if you receive messages out of order you could use the <a shape="rect" href="resequencer.html">Resequencer</a> to put them back together again</li></ul><p>A good rule of thumb to help reduce ordering problems is to make sure each single can be processed as an atomic unit in parallel (either without concurrency issues or using say, database locking); or if it
can't, use a <a shape="rect" class="external-link" href="http://activemq.apache.org/message-groups.html">Message Group</a> to relate the messages together which need to be processed in order by a single thread.</p><h3 id="ParallelProcessingandOrdering-UsingMessageGroupswithCamel">Using Message Groups with Camel</h3><p>To use a Message Group with Camel you just need to add a header to the output JMS message based on some kind of <a shape="rect" href="correlation-identifier.html">Correlation Identifier</a> to correlate messages which should be processed in order by a single thread - so that things which don't correlate together can be processed concurrently.</p><p>For example the following code shows how to create a message group using an XPath expression taking an invoice's product code as the <a shape="rect" href="correlation-identifier.html">Correlation Identifier</a></p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[from("activemq:a").setHeader(JmsConstants.JMS_X_GROUP_ID, xpath("/invoice/productCode")).to("activemq:b");
]]></script>
</div></div><p>You can of course use the <a shape="rect" href="xml-configuration.html">Xml Configuration</a> if you prefer</p></div>
Modified: websites/production/camel/content/polling-consumer.html
==============================================================================
--- websites/production/camel/content/polling-consumer.html (original)
+++ websites/production/camel/content/polling-consumer.html Thu Jun 15 16:25:44 2017
@@ -113,15 +113,17 @@ Exchange exchange = consumer.receive(500
</div></div><h4 id="PollingConsumer-UsingConsumerTemplatewithSpringDSL">Using ConsumerTemplate with Spring DSL</h4><p>With the Spring DSL we can declare the consumer in the <strong><code>CamelContext</code></strong> with the <strong><code>consumerTemplate</code></strong> tag, just like the <strong><code>ProducerTemplate</code></strong>. The example below illustrates this:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[
<camelContext xmlns="http://camel.apache.org/schema/spring">
- <!-- define a producer template -->
- <template id="producer"/>
- <!-- define a consumer template -->
- <consumerTemplate id="consumer"/>
-
- <route>
- <from uri="seda:foo"/>
- <to id="result" uri="mock:result"/>
- </route>
+ <!-- define a producer template -->
+ <template id="producer"/>
+ <!-- define a consumer template -->
+ <consumerTemplate id="consumer"/>
+ <!-- define endpoint -->
+ <endpoint id="result" uri="mock:result"/>
+
+ <route>
+ <from uri="seda:foo"/>
+ <to uri="ref:result"/>
+ </route>
</camelContext>
]]></script>
</div></div>Then we can get leverage Spring to inject the <strong><code>ConsumerTemplate</code></strong> in our java class. The code below is part of an unit test but it shows how the consumer and producer can work together.<div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
Modified: websites/production/camel/content/release-guide.html
==============================================================================
--- websites/production/camel/content/release-guide.html (original)
+++ websites/production/camel/content/release-guide.html Thu Jun 15 16:25:44 2017
@@ -211,7 +211,7 @@ Certificate information:
Fingerprint: bc:5f:40:92:fd:6a:49:aa:f8:b8:35:0d:ed:27:5e:a6:64:c1:7a:1b
(R)eject, accept (t)emporarily or accept (p)ermanently?
</pre>
-</div></div></div></div></li><li>Update the <a shape="rect" href="https://cwiki.apache.org/confluence/display/CAMEL/Xml+Reference">Xml Reference</a> page with a link to the XSD's</li><li>Update the <a shape="rect" href="manual.html">Manual</a> page with a link to the PDF/HTML <strong>if</strong> it's a new major/minor version</li><li>Mail the <a shape="rect" class="external-link" href="mailto:dev@camel.apache.org" rel="nofollow">dev@camel.apache.org</a>, <a shape="rect" class="external-link" href="mailto:users@camel.apache.org" rel="nofollow">users@camel.apache.org</a> & <a shape="rect" class="external-link" href="mailto:announce@apache.org" rel="nofollow">announce@apache.org</a> lists</li><li><a shape="rect" href="https://cwiki.apache.org/confluence/pages/createblogpost.action?spaceKey=CAMEL">Post</a> a news entry in the wiki which <strong>links to the release page</strong> so folks can download it!</li><li>perform a full export of the Camel WIKI sites to see your blog on the C
amel index site. To do this, you have to remove the main.pageCache file in the content/cache sub directory:<ol><li>execute: svn rm <a shape="rect" class="external-link" href="https://svn.apache.org/repos/infra/websites/production/camel/content/cache/main.pageCache">https://svn.apache.org/repos/infra/websites/production/camel/content/cache/main.pageCache</a></li></ol></li><li>Add the release version number to the following <code>spring.schemas</code> file located in <code>src/main/resources/META-INF</code> directory of the following components:<ul><li>camel-cxf (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-cxf/src/main/resources/META-INF/spring.schemas;hb=HEAD">/camel/components/camel-cxf/src/main/resources/META-INF/spring.schemas</a>)</li><li>camel-spring (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-spring/src/main/resources/META-
INF/spring.schemas;hb=HEAD">/camel/components/camel-spring/src/main/resources/META-INF/spring.schemas</a>)</li><li>camel-spring-integration (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-spring-integration/src/main/resources/META-INF/spring.schemas;hb=HEAD">/camel/components/camel-spring-integration/src/main/resources/META-INF/spring.schemas</a>)</li><li>camel-spring-security (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-spring-security/src/main/resources/META-INF/spring.schemas;hb=HEAD">/camel/components/camel-spring-security/src/main/resources/META-INF/spring.handlers</a>)</li></ul></li><li>Have a beer! <img class="emoticon emoticon-smile" src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/emoticons/smile.png" data-emoticon-name="smile" alt="(smile)"></li></ol></div>
+</div></div></div></div></li><li>Update the <a shape="rect" href="https://cwiki.apache.org/confluence/display/CAMEL/Xml+Reference">Xml Reference</a> page with a link to the XSD's</li><li>Update the <a shape="rect" href="manual.html">Manual</a> page with a link to the PDF/HTML <strong>if</strong> it's a new major/minor version</li><li>Mail the <a shape="rect" class="external-link" href="mailto:dev@camel.apache.org" rel="nofollow">dev@camel.apache.org</a>, <a shape="rect" class="external-link" href="mailto:users@camel.apache.org" rel="nofollow">users@camel.apache.org</a> & <a shape="rect" class="external-link" href="mailto:announce@apache.org" rel="nofollow">announce@apache.org</a> lists</li><li><a shape="rect" href="https://cwiki.apache.org/confluence/pages/createblogpost.action?spaceKey=CAMEL">Post</a> a news entry in the wiki which <strong>links to the release page</strong> so folks can download it!</li><li>perform a full export of the Camel WIKI sites to see your blog on the C
amel index site. To do this, you have to remove the main.pageCache file in the content/cache sub directory:<ol><li>execute: svn rm <a shape="rect" class="external-link" href="https://svn.apache.org/repos/infra/websites/production/camel/content/cache/main.pageCache">https://svn.apache.org/repos/infra/websites/production/camel/content/cache/main.pageCache</a></li></ol></li><li>Add the release version number to the following <code>spring.schemas</code> file located in <code>src/main/resources/META-INF</code> directory of the following components:<ul><li>camel-cxf (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-cxf/src/main/resources/META-INF/spring.schemas;hb=HEAD">/camel/components/camel-cxf/src/main/resources/META-INF/spring.schemas</a>)</li><li>camel-spring (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-spring/src/main/resources/META-
INF/spring.schemas;hb=HEAD">/camel/components/camel-spring/src/main/resources/META-INF/spring.schemas</a>)</li><li>camel-spring-integration (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-spring-integration/src/main/resources/META-INF/spring.schemas;hb=HEAD">/camel/components/camel-spring-integration/src/main/resources/META-INF/spring.schemas</a>)</li><li>camel-spring-security (<a shape="rect" class="external-link" href="https://git-wip-us.apache.org/repos/asf?p=camel.git;a=blob;f=components/camel-spring-security/src/main/resources/META-INF/spring.schemas;hb=HEAD">/camel/components/camel-spring-security/src/main/resources/META-INF/spring.handlers</a>)</li></ul></li><li>Have a beer! <img class="emoticon emoticon-smile" src="https://cwiki.apache.org/confluence/s/en_GB/5997/6f42626d00e36f53fe51440403446ca61552e2a2.1/_/images/icons/emoticons/smile.png" data-emoticon-name="smile" alt="(smile)"></li></ol></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/siteindex.html
==============================================================================
--- websites/production/camel/content/siteindex.html (original)
+++ websites/production/camel/content/siteindex.html Thu Jun 15 16:25:44 2017
@@ -91,7 +91,7 @@
<p>
<table class="grid" width="99%" cellspacing="0"><tr><td colspan="2" rowspan="1">
- <table width="100%"><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-0-9">0-9</a> ... 0</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-A">A</a> ... 39</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-B">B</a> ... 43</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-C">C</a> ... 201</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-D">D</a> ... 33</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-E">E</a> ... 33</td></tr><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-F">F</a> ... 15</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-G">G</a> ... 33</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-H">H</a> ... 88</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-I">I</a> ... 19</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-J">J</a> ... 32</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-K">K</a> ... 6</td></tr><tr><td colspan="1" row
span="1"><a shape="rect" href="#index-L">L</a> ... 20</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-M">M</a> ... 36</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-N">N</a> ... 12</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-O">O</a> ... 7</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-P">P</a> ... 27</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-Q">Q</a> ... 5</td></tr><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-R">R</a> ... 33</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-S">S</a> ... 90</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-T">T</a> ... 44</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-U">U</a> ... 19</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-V">V</a> ... 8</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-W">W</a> ... 30</td></tr><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-X">X</a> ... 14</td>
<td colspan="1" rowspan="1"><a shape="rect" href="#index-Y">Y</a> ... 2</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-Z">Z</a> ... 4</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-%21@%23%24">!@#$</a> ... 0</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr></table>
+ <table width="100%"><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-0-9">0-9</a> ... 0</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-A">A</a> ... 39</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-B">B</a> ... 43</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-C">C</a> ... 202</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-D">D</a> ... 33</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-E">E</a> ... 33</td></tr><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-F">F</a> ... 15</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-G">G</a> ... 33</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-H">H</a> ... 88</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-I">I</a> ... 19</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-J">J</a> ... 32</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-K">K</a> ... 6</td></tr><tr><td colspan="1" row
span="1"><a shape="rect" href="#index-L">L</a> ... 20</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-M">M</a> ... 36</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-N">N</a> ... 12</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-O">O</a> ... 7</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-P">P</a> ... 27</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-Q">Q</a> ... 5</td></tr><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-R">R</a> ... 33</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-S">S</a> ... 90</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-T">T</a> ... 44</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-U">U</a> ... 19</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-V">V</a> ... 8</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-W">W</a> ... 30</td></tr><tr><td colspan="1" rowspan="1"><a shape="rect" href="#index-X">X</a> ... 14</td>
<td colspan="1" rowspan="1"><a shape="rect" href="#index-Y">Y</a> ... 2</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-Z">Z</a> ... 4</td><td colspan="1" rowspan="1"><a shape="rect" href="#index-%21@%23%24">!@#$</a> ... 0</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr></table>
</td></tr><tr valign="top"><td colspan="1" rowspan="1"><h4 style="margin-top: 0px"><a shape="rect" name="index-0-9"></a>0-9</h4>
</td><td colspan="1" rowspan="1"><h4 style="margin-top: 0px"><a shape="rect" name="index-A"></a>A</h4>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="acknowledgment.html">Acknowledgment</a>
@@ -162,7 +162,7 @@
<div class="smalltext" style="margin: 0 0 0 36px">For details see the discussion on Asynchronous Queueing on the SOA Patterns site http://cwiki.apache.org/confluence/display/CAMEL/SOA+Patterns. To implement asynchronous queueing just send a message to an async endpoint like JMS or SEDA. You can also forc</div>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="asynchronous-routing-engine.html">Asynchronous Routing Engine</a>
<br clear="none">
- <div class="smalltext" style="margin: 0 0 0 36px">Asynchronous Routing Engine Available as of Camel 2.4 As of Camel 2.4 the asynchronous routing engine is back and kicking. All the Enterprise Integration Patterns are supported as well a selected number of Components: AHC Camel 2.8: (only producer) AWS Ca</div>
+ <div class="smalltext" style="margin: 0 0 0 36px">Asynchronous Routing Engine Available as of Camel 2.4 As of Camel 2.4 the asynchronous routing engine is back and kicking. All the Enterprise Integration Patterns are supported as well a selected number of Components. When we say a component is supported,</div>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="asyncprocessorawaitmanager.html">AsyncProcessorAwaitManager</a>
<br clear="none">
<div class="smalltext" style="margin: 0 0 0 36px">AsyncProcessorAwaitManager Available as of Camel 2.15 The AsyncProcessorAwaitManager is used by the routing engine to mange blocked threads waiting for a signal to trigger before the thread should wake up and continue routing the exchange. This is only in</div>
@@ -572,7 +572,10 @@
<div class="smalltext" style="margin: 0 0 0 36px">Camel 2.19.0 Release http://camel.apache.org/images/camel-box-small.png New and Noteworthy Welcome to the 2.19.0 release which resolved over 670 issues including new features, improvements and bug fixes. Introduced Camel Connector https://github.com/apac</div>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="camel-2191-release.html">Camel 2.19.1 Release</a>
<br clear="none">
- <div class="smalltext" style="margin: 0 0 0 36px">Camel 2.19.1 Release (currently in progress) http://camel.apache.org/images/camel-box-small.png New and Noteworthy Welcome to the x.y.z release which approx XXX issues resolved (new features, improvements and bug fixes such as...) highlighted issue fixed</div>
+ <div class="smalltext" style="margin: 0 0 0 36px">Camel 2.19.1 Release http://camel.apache.org/images/camel-box-small.png New and Noteworthy Welcome to the 2.19.1 release which is mainly a maintenance release and resolved over 57 issues. Known Issues See Camel 2.19.0 Release. Important changes to consid</div>
+ <span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="camel-2192-release.html">Camel 2.19.2 Release</a>
+ <br clear="none">
+ <div class="smalltext" style="margin: 0 0 0 36px">Camel 2.19.2 Release (currently in progress) http://camel.apache.org/images/camel-box-small.png New and Noteworthy Welcome to the x.y.z release which approx XXX issues resolved (new features, improvements and bug fixes such as...) highlighted issue fixed</div>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="camel-220-release.html">Camel 2.2.0 Release</a>
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<div class="smalltext" style="margin: 0 0 0 36px">Camel 2.2.0 release http://camel.apache.org/download.data/camel-box-v1.0-150x200.png New and Noteworthy Welcome to the 2.2.0 release which approx 180 issues resolved (new features, improvements and bug fixes such as...) Routing Slip now breaks when an exc</div>
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<div class="smalltext" style="margin: 0 0 0 36px">Does Camel work on IBM's JDK? Yes, we've tested Camel with IBM's JDK on the AIX and Linux platforms. There are a few things to look out for though Exception using camel-http You may get a sun.io.MalformedInputException when using camel-http on IBM's JDK. </div>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="download.html">Download</a>
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- <div class="smalltext" style="margin: 0 0 0 36px">Latest Releases http://camel.apache.org/images/camel-box-small.png Grab these releases while they are hot! The latest release for Camel 2.19.x is Camel 2.19.0 Release. The latest release for Camel 2.18.x is Camel 2.18.4 Release. The latest release for Cam</div>
+ <div class="smalltext" style="margin: 0 0 0 36px">Latest Releases http://camel.apache.org/images/camel-box-small.png Grab these releases while they are hot! The latest release for Camel 2.19.x is Camel 2.19.1 Release. The latest release for Camel 2.18.x is Camel 2.18.4 Release. The latest release for Cam</div>
<span class="icon aui-icon aui-icon-small aui-iconfont-page-default" title="Page">Page:</span> <a shape="rect" href="download-archives.html">Download Archives</a>
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<div class="smalltext" style="margin: 0 0 0 36px">Download archives You can use the Apache Archives to download all the Camel releases. http://archive.apache.org/dist/camel/apache-camel/ http://archive.apache.org/dist/camel/apache-camel/ - All release since Camel became a top level Apache project http://</div>