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<table class="wysiwyg-macro" data-macro-name="unmigrated-inline-wiki-markup" data-macro-parameters="atlassian-macro-output-type=BLOCK" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e3VubWlncmF0ZWQtaW5saW5lLXdpa2ktbWFya3VwOmF0bGFzc2lhbi1tYWNyby1vdXRwdXQtdHlwZT1CTE9DS30&amp;locale=en_GB&amp;version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>{iframe:src=http://update.sonarsource.org/plugins/clirr.html|width=700|height=250|frameborder=0}
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{iframe}</pre></td></tr></table><h2>Features</h2><p><a href="http://clirr.sourceforge.net/">Clirr</a> checks Java libraries for binary and source compatibility with older releases. In a continuous integration process Clirr can automatically prevent accidental introduction of binary or source compatibility problems.</p><p>This Sonar plugin measures the number of API break violations between the current sources and the last known stable version of the library in the Maven repository.</p><p><img class="confluence-embedded-image confluence-content-image-border" src="/download/attachments/231080183/widget.png?version=1&amp;modificationDate=1369459488219" data-image-src="/download/attachments/231080183/widget.png?version=1&amp;modificationDate=1369459488219" data-linked-resource-id="231375920" data-linked-resource-type="attachment" data-linked-resource-default-alias="widget.png" data-base-url="http://docs.codehaus.org" data-linked-resource-container-id="231080183" title="null > widget.png"></p><p><img class="confluence-embedded-image confluence-content-image-border" src="/download/attachments/231080183/violations.png?version=1&amp;modificationDate=1369459488201" data-image-src="/download/attachments/231080183/violations.png?version=1&amp;modificationDate=1369459488201" data-linked-resource-id="231375919" data-linked-resource-type="attachment" data-linked-resource-default-alias="violations.png" data-base-url="http://docs.codehaus.org" data-linked-resource-container-id="231080183" title="null > violations.png"></p><h2>Installation</h2><p>Use Update Center or download plugin into the directory $SONAR_HOME/extensions/plugins/</p><h2>Configuration</h2><ol><li>Add at least one Clirr rule to your quality profile (Settings &gt; Quality Profiles &gt; select your profile &gt; filter rules on plugin 'Clirr') :<br /><ul><li>API Change adds new feature without breaking anything</li><li>API Change breaks the backward binary compatibility</li><li>API Change might change runtime expected behavior</li></ul></li><li>Define your project as an API project : browse to the project settings and set the property Clirr -&gt; API to true.</li><li>Analyze your Maven project</li><li>Browse to the dashboard and look at &quot;API Changes&quot; widget and page.</li></ol><h2>Known limitations</h2><ol><li>Only Java Maven projects are supported.</li><li>As Clirr does not report line numbers, violations cannot be displayed in the correct location within the source code</li><li>Violations of deleted resources/classes are assigned to the project</li></ol><h2>Changelog</h2><p><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e2ppcmFpc3N1ZXM6YW5vbnltb3VzPXRydWV8dGl0bGU9UmVsZWFzZSAxLjF8aGVpZ2h0PTYwfHdpZHRoPTgwMHxjb2x1bW5zPXR5cGU7a2V5O3N1bW1hcnk7cHJpb3JpdHk7c3RhdHVzO3Jlc29sdXRpb258dXJsPWh0dHA6Ly9qaXJhLmNvZGVoYXVzLm9yZy9zci9qaXJhLmlzc3Vldmlld3M6c2VhcmNocmVxdWVzdC14bWwvdGVtcC9TZWFyY2hSZXF1ZXN0LnhtbD9maXhmb3I9MTczMzUmcGlkPTExOTExJnNvcnRlci9maWVsZD1wcmlvcml0eSZzb3J0ZXIvb3JkZXI9REVTQyZ0ZW1wTWF4PTEwMDB9&amp;locale=en_GB&amp;version=2" data-macro-name="jiraissues" data-macro-parameters="anonymous=true|columns=type;key;summary;priority;status;resolution|height=60|title=Release 1.1|url=http://jira.codehaus.org/sr/jira.issueviews:searchrequest-xml/temp/SearchRequest.xml?fixfor\=17335&amp;pid\=11911&amp;sorter/field\=priority&amp;sorter/order\=DESC&amp;tempMax\=1000|width=800"></p><p> </p><p><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e2ppcmFpc3N1ZXM6YW5vbnltb3VzPXRydWV8dGl0bGU9UmVsZWFzZSAxLjB8aGVpZ2h0PTYwfHdpZHRoPTgwMHxjb2x1bW5zPXR5cGU7a2V5O3N1bW1hcnk7cHJpb3JpdHk7c3RhdHVzO3Jlc29sdXRpb258dXJsPWh0dHA6Ly9qaXJhLmNvZGVoYXVzLm9yZy9zci9qaXJhLmlzc3Vldmlld3M6c2VhcmNocmVxdWVzdC14bWwvdGVtcC9TZWFyY2hSZXF1ZXN0LnhtbD9maXhmb3I9MTY5MTAmcGlkPTExOTExJnNvcnRlci9maWVsZD1wcmlvcml0eSZzb3J0ZXIvb3JkZXI9REVTQyZ0ZW1wTWF4PTEwMDB9&amp;locale=en_GB&amp;version=2" data-macro-name="jiraissues" data-macro-parameters="anonymous=true|columns=type;key;summary;priority;status;resolution|height=60|title=Release 1.0|url=http://jira.codehaus.org/sr/jira.issueviews:searchrequest-xml/temp/SearchRequest.xml?fixfor\=16910&amp;pid\=11911&amp;sorter/field\=priority&amp;sorter/order\=DESC&amp;tempMax\=1000|width=800"></p><p> </p><p><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e2ppcmFpc3N1ZXM6YW5vbnltb3VzPXRydWV8dGl0bGU9UmVsZWFzZSAwLjJ8aGVpZ2h0PTkwfHdpZHRoPTgwMHxjb2x1bW5zPXR5cGU7a2V5O3N1bW1hcnk7cHJpb3JpdHk7c3RhdHVzO3Jlc29sdXRpb258dXJsPWh0dHA6Ly9qaXJhLmNvZGVoYXVzLm9yZy9zci9qaXJhLmlzc3Vldmlld3M6c2VhcmNocmVxdWVzdC14bWwvdGVtcC9TZWFyY2hSZXF1ZXN0LnhtbD9maXhmb3I9MTUyNzImcGlkPTExOTExJnNvcnRlci9maWVsZD1wcmlvcml0eSZzb3J0ZXIvb3JkZXI9REVTQyZ0ZW1wTWF4PTEwMDB9&amp;locale=en_GB&amp;version=2" data-macro-name="jiraissues" data-macro-parameters="anonymous=true|columns=type;key;summary;priority;status;resolution|height=90|title=Release 0.2|url=http://jira.codehaus.org/sr/jira.issueviews:searchrequest-xml/temp/SearchRequest.xml?fixfor\=15272&amp;pid\=11911&amp;sorter/field\=priority&amp;sorter/order\=DESC&amp;tempMax\=1000|width=800"></p>