title: Generate the JPA 2.0 metamodel via maven without persistence.xml?
body: <p>Is there any way to generate the JPA 2.0 metamodel via maven without having a persistence.xml file. I'm using eclipselink.</p>
  
  <p>In my Java EE-projects I'm doing something like the following wich works fine because in that case I have a persistence.xml.</p>
  
  <pre><code>&lt;plugin&gt;
      &lt;groupId&gt;org.bsc.maven&lt;/groupId&gt;
      &lt;artifactId&gt;maven-processor-plugin&lt;/artifactId&gt;
      &lt;version&gt;2.0.5&lt;/version&gt;
      &lt;executions&gt;
          &lt;execution&gt;
              &lt;id&gt;process&lt;/id&gt;
              &lt;goals&gt;
                  &lt;goal&gt;process&lt;/goal&gt;
              &lt;/goals&gt;
              &lt;phase&gt;generate-sources&lt;/phase&gt;
              &lt;configuration&gt;
                  &lt;!-- there must no line break between the two compiler arguments! --&gt;
                  &lt;compilerArguments&gt;-Aeclipselink.persistencexml=${basedir}/src/main/resources/META-INF/persistence.xml&lt;/compilerArguments&gt;
                  &lt;processors&gt;
                      &lt;processor&gt;org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor&lt;/processor&gt;
                  &lt;/processors&gt;
              &lt;/configuration&gt;
          &lt;/execution&gt;
      &lt;/executions&gt;
      &lt;dependencies&gt;
          &lt;dependency&gt;
              &lt;groupId&gt;org.eclipse.persistence&lt;/groupId&gt;
              &lt;artifactId&gt;javax.persistence&lt;/artifactId&gt;
              &lt;version&gt;2.0.3&lt;/version&gt;
          &lt;/dependency&gt;
          &lt;dependency&gt;
              &lt;groupId&gt;org.eclipse.persistence&lt;/groupId&gt;
              &lt;artifactId&gt;org.eclipse.persistence.jpa.modelgen&lt;/artifactId&gt;
              &lt;version&gt;2.3.2&lt;/version&gt;
          &lt;/dependency&gt;
      &lt;/dependencies&gt;
  &lt;/plugin&gt;
  </code></pre>
  
  <p>Now I have a spring project which configures the jpa via spring context. Is the only way to create the metamodel to create a persistence.xml or can I somehow stay with the configuration in the spring context?</p>