| <div class="wiki-content maincontent"> |
| <h2>New and Noteworthy</h2> |
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| <p>This is the second release candiate release of 4.0.</p> |
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| <p>This release of ActiveMQ includes a large number of <link><page ri:content-title="Changes in 4.0"></page><link-body>new features</link-body></link> such as <link><page ri:content-title="MasterSlave"></page></link> and <link><page ri:content-title="Message Groups"></page></link> together with numerous bug fixes.</p> |
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| <h3>Warnings</h3> |
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| <p>When upgrading from a previous release you are advised to clear down the journal files and persistent database first before upgrading to this jar as the binary format of messages is not compatible with 3.x or earlier 4.x releases.</p> |
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| <h3>What has changed</h3> |
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| <p>The 4.x branch of ActiveMQ has now moved to the Apache Incubator so the package names have changed from org.activemq to org.apache.activemq. For a full list see the <link><page ri:content-title="Changes in 4.0"></page></link>.</p> |
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| <h2>Download Here</h2> |
| <table><tbody><tr><th colspan="1" rowspan="1"><p>Download</p></th><th colspan="1" rowspan="1"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1"><p><a shape="rect" href="http://cvs.apache.org/repository/incubator-activemq/distributions/activemq-4.0-RC2.zip">activemq-4.0-RC2.zip</a></p></td><td colspan="1" rowspan="1"><p>Binary Distribution in zip package</p></td></tr><tr><td colspan="1" rowspan="1"><p><a shape="rect" href="http://cvs.apache.org/repository/incubator-activemq/distributions/activemq-4.0-RC2-src.zip">activemq-4.0-RC2-src.zip</a></p></td><td colspan="1" rowspan="1"><p>Source Distribution in zip package</p></td></tr><tr><td colspan="1" rowspan="1"><p><a shape="rect" href="http://cvs.apache.org/repository/incubator-activemq/distributions/activemq-4.0-RC2.tar.gz">activemq-4.0-RC2.tar.gz</a></p></td><td colspan="1" rowspan="1"><p>Binary Distribution in gz package</p></td></tr><tr><td colspan="1" rowspan="1"><p><a shape="rect" href="http://cvs.apache.org/repository/incubator-activemq/distributions/activemq-4.0-RC2-src.tar.gz">activemq-4.0-RC2-src.tar.gz</a></p></td><td colspan="1" rowspan="1"><p>Source Distribution in gz package</p></td></tr></tbody></table> |
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| <h2>Changelog</h2> |
| <p>For a more detailed view of new features and bug fixes, see the <a shape="rect" href="https://issues.apache.org/activemq/secure/ReleaseNote.jspa?projectId=10520&styleName=Html&version=11750">release notes</a></p> |
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| <structured-macro ac:macro-id="3568981f-91dc-4af7-ad4b-a49717f05b55" ac:name="jiraissues" ac:schema-version="1"><parameter ac:name="url"><url ri:value="https://issues.apache.org/activemq/secure/IssueNavigator.jspa?view=rss&&pid=10520&fixfor=11750&sorter/field=issuekey&sorter/order=DESC&tempMax=1000&reset=true&decorator=none"></url></parameter></structured-macro> |
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| <p>Also see the previous <link><page ri:content-title="ActiveMQ 4.0 M4 Release"></page></link></p></div> |
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