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    copied!<p>Project inheritance should work here: <code>properties</code> are inherited if you place them in the parent pom <strong>and</strong> if the profile is activated. Please note that I said <em>activated</em> and not <em>active</em> for the current project (see <a href="http://jira.codehaus.org/browse/MNG-3228" rel="nofollow noreferrer">MNG-3228</a> for the difference between both terms). </p> <p>I've setup a simple multi-modules build demonstrating properties inheritance from a profile in the parent pom with maven 2.2.1. The project has the following structure:</p> <pre><code>. |-- my-module | |-- pom.xml | `-- src | |-- main | | `-- java | `-- test | `-- java `-- pom.xml </code></pre> <p>The parent pom.xml is defined as follow (adapted to my platform):</p> <pre><code>&lt;project&gt; &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt; &lt;groupId&gt;com.mycompany.app&lt;/groupId&gt; &lt;artifactId&gt;my-app&lt;/artifactId&gt; &lt;packaging&gt;pom&lt;/packaging&gt; &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt; &lt;modules&gt; &lt;module&gt;my-module&lt;/module&gt; &lt;/modules&gt; &lt;profiles&gt; &lt;profile&gt; &lt;id&gt;linux-x86&lt;/id&gt; &lt;properties&gt; &lt;someVar&gt;some value&lt;/someVar&gt; &lt;/properties&gt; &lt;activation&gt; &lt;os&gt; &lt;name&gt;Linux&lt;/name&gt; &lt;arch&gt;i386&lt;/arch&gt; &lt;/os&gt; &lt;/activation&gt; &lt;/profile&gt; &lt;/profiles&gt; &lt;/project&gt; </code></pre> <p>And this is the pom of the module:</p> <pre><code>&lt;project&gt; &lt;parent&gt; &lt;artifactId&gt;my-app&lt;/artifactId&gt; &lt;groupId&gt;com.mycompany.app&lt;/groupId&gt; &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt; &lt;/parent&gt; &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt; &lt;groupId&gt;com.mycompany.app&lt;/groupId&gt; &lt;artifactId&gt;my-module&lt;/artifactId&gt; &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt; &lt;build&gt; &lt;plugins&gt; &lt;plugin&gt; &lt;artifactId&gt;maven-antrun-plugin&lt;/artifactId&gt; &lt;executions&gt; &lt;execution&gt; &lt;phase&gt;compile&lt;/phase&gt; &lt;configuration&gt; &lt;tasks&gt; &lt;echo message="${someVar}"/&gt; &lt;/tasks&gt; &lt;/configuration&gt; &lt;goals&gt; &lt;goal&gt;run&lt;/goal&gt; &lt;/goals&gt; &lt;/execution&gt; &lt;/executions&gt; &lt;/plugin&gt; &lt;/plugins&gt; &lt;/build&gt; &lt;/project&gt; </code></pre> <p>If I run Maven from the parent:</p> <pre><code>$ mvn help:active-profiles compile [INFO] Scanning for projects... [INFO] Reactor build order: [INFO] Unnamed - com.mycompany.app:my-app:pom:1.0-SNAPSHOT [INFO] Unnamed - com.mycompany.app:my-module:jar:1.0-SNAPSHOT [INFO] Searching repository for plugin with prefix: 'help'. [INFO] ------------------------------------------------------------------------ [INFO] Building Unnamed - com.mycompany.app:my-app:pom:1.0-SNAPSHOT [INFO] task-segment: [help:active-profiles] (aggregator-style) [INFO] ------------------------------------------------------------------------ [INFO] [help:active-profiles {execution: default-cli}] [INFO] Active Profiles for Project 'com.mycompany.app:my-app:pom:1.0-SNAPSHOT': The following profiles are active: - linux-x86 (source: pom) Active Profiles for Project 'com.mycompany.app:my-module:jar:1.0-SNAPSHOT': There are no active profiles. [INFO] ------------------------------------------------------------------------ [INFO] Building Unnamed - com.mycompany.app:my-app:pom:1.0-SNAPSHOT [INFO] task-segment: [compile] [INFO] ------------------------------------------------------------------------ [INFO] No goals needed for project - skipping [INFO] ------------------------------------------------------------------------ [INFO] Building Unnamed - com.mycompany.app:my-module:jar:1.0-SNAPSHOT [INFO] task-segment: [compile] [INFO] ------------------------------------------------------------------------ [INFO] [resources:resources {execution: default-resources}] [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory /home/pascal/Projects/my-app/my-module/src/main/resources [INFO] [compiler:compile {execution: default-compile}] [INFO] Nothing to compile - all classes are up to date [INFO] [antrun:run {execution: default}] [INFO] Executing tasks [echo] some value [INFO] Executed tasks [INFO] [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] ------------------------------------------------------------------------ [INFO] Unnamed - com.mycompany.app:my-app:pom:1.0-SNAPSHOT ... SUCCESS [0.003s] [INFO] Unnamed - com.mycompany.app:my-module:jar:1.0-SNAPSHOT SUCCESS [1.256s] [INFO] ------------------------------------------------------------------------ [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESSFUL [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3 seconds [INFO] Finished at: Thu Oct 22 18:08:16 CEST 2009 [INFO] Final Memory: 9M/80M [INFO] ------------------------------------------------------------------------ </code></pre> <p>And if I run maven from the module:</p> <pre><code>$ cd my-module $ mvn help:active-profiles compile [INFO] Scanning for projects... [INFO] Searching repository for plugin with prefix: 'help'. [INFO] ------------------------------------------------------------------------ [INFO] Building Unnamed - com.mycompany.app:my-module:jar:1.0-SNAPSHOT [INFO] task-segment: [help:active-profiles] (aggregator-style) [INFO] ------------------------------------------------------------------------ [INFO] [help:active-profiles {execution: default-cli}] [INFO] Active Profiles for Project 'com.mycompany.app:my-module:jar:1.0-SNAPSHOT': There are no active profiles. [INFO] ------------------------------------------------------------------------ [INFO] Building Unnamed - com.mycompany.app:my-module:jar:1.0-SNAPSHOT [INFO] task-segment: [compile] [INFO] ------------------------------------------------------------------------ [INFO] [resources:resources {execution: default-resources}] [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory /home/pascal/Projects/my-app/my-module/src/main/resources [INFO] [compiler:compile {execution: default-compile}] [INFO] Nothing to compile - all classes are up to date [INFO] [antrun:run {execution: default}] [INFO] Executing tasks [echo] some value [INFO] Executed tasks [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESSFUL [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4 seconds [INFO] Finished at: Thu Oct 22 18:09:38 CEST 2009 [INFO] Final Memory: 10M/79M [INFO] ------------------------------------------------------------------------ </code></pre> <p>As you can see, the profile is activated (but not active) and the property defined in the profile in the parent pom is inherited.</p>
 

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