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    Lincoln, frankly, I'm stumped by this one.&nbsp; I never received a
    LoaderConstraintViolation or anything similar.&nbsp; My issue was with
    the seam-render not being added as a module to the plugin, since it
    was already included with the Forge core.&nbsp; However, that issue has
    since been resolved.<br>
    <br>
    Thomas, I'm not sure of the cause of your exception, as including
    seam-render and MVEL as dependencies solved the problem for me.&nbsp; If
    I understand your most recent e-mail correctly, your problem is
    solved if MVEL is manually added to module.xml?&nbsp; MVEL is not
    required for my ScaffoldProvider implementation, so maybe you are
    experiencing a similar problem?<br>
    <br>
    Sorry,<br>
    Ryan<br>
    <br>
    On 02/13/2012 07:15 PM, Lincoln Baxter, III wrote:
    <blockquote
cite="mid:CAEp_U4F+SL0g-WtVKxzLeaNEKXBxQP_o_cY3nbbYzEcRBctnZw@mail.gmail.com"
      type="cite">Ryan, how did you get around this?<br>
      <br>
      Thomas, perhaps you could try including seam-render instead of
      MVEL? Make sure you use the same version that Forge Shell uses as
      a temporary workaround.<br>
      <br>
      ~Lincoln<br>
      <br>
      <div class="gmail_quote">
        On Mon, Feb 13, 2012 at 5:33 PM, Thomas Fr&uuml;hbeck <span
          dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:fruehbeck@aon.at">fruehbeck@aon.at</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          Hi Ryan, Lincoln<br>
          <div class="im"><br>
            &gt; I ran into similar problems with my own plugin
            development. &nbsp;Including<br>
            &gt; MVEL as a Maven dependency in your pom.xml should
            resolve this issue.<br>
            <br>
          </div>
          this is exactly what I have tried to do. This will really look
          ugly :/<br>
          I will write it as clear as possible:<br>
          <br>
          in pom.xml &nbsp;I added:<br>
          &lt;dependency&gt;<br>
          &lt;groupId&gt;org.mvel&lt;/groupId&gt;<br>
          &lt;artifactId&gt;mvel2&lt;/artifactId&gt;<br>
          &lt;scope&gt;compile&lt;/scope&gt;<br>
          &lt;/dependency&gt;<br>
          <br>
          On forge install-plugin ~/blabla/ &nbsp;I get:<br>
          ***SUCCESS*** Installed from [plugin-faces-idaware]
          successfully.<br>
          Wrote
          /home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11/plugin-faces-id-aware.jar<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11/module.xml<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/dependencies<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/dependencies/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/dependencies/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11/metawidget-all-2.0.jar<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/dependencies/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11/mvel2-2.1.Beta7.jar<br>
          Wrote
/home/thomas/.forge/plugins/at/tfr/forge/plugin-faces-id-aware/dependencies/1.0.0-SNAPSHOT-6c38c8fd-45f4-4736-ad0a-467dc9154a11/module.xml<br>
          <br>
          So to me it is clear, that I was successful, integration of
          Mvel libraries is done.<br>
          But when I invoke my plugin, I get _a
          LoaderConstraintViolation_!!<br>
          <br>
          [myidaware] myidaware $ set VERBOSE true<br>
          [myidaware] myidaware $ scaffold from-entity
          at.tfr.test.model.* --scaffoldType idaware<br>
          Use which scaffold provider?<br>
          <br>
          &nbsp; 1 - [idaware]<br>
          &nbsp; 2 - [faces]*<br>
          <br>
          &nbsp;? Choose an option by typing the number of the selection
          [*-default] &nbsp;[0] 1<br>
          <div class="im">***ERROR*** [scaffold from-entity] loader
            constraint violation: loader (instance of
            org/jboss/modules/ModuleClassLoader) previously initiated
            loading for a different type with name
            "org/mvel2/templates/CompiledTemplate"<br>
          </div>
          org.jboss.forge.shell.exceptions.CommandExecutionException:
          loader constraint violation: loader (instance of
          org/jboss/modules/ModuleClassLoader) previously initiated
          loading for a different type with name
          "org/mvel2/templates/CompiledTemplate"<br>
          <br>
          Caused by: java.lang.LinkageError: loader constraint
          violation: loader (instance of
          org/jboss/modules/ModuleClassLoader) previously initiated
          loading for a different type with name
          "org/mvel2/templates/CompiledTemplate"<br>
          <br>
          <br>
          So for me it is evident, that I brought my own Mvel jar, but
          the module loader will not let me use it!<br>
          <div class="HOEnZb">
            <div class="h5"><br>
              Regards,<br>
              Thomas<br>
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          </div>
        </blockquote>
      </div>
      <br>
      <br clear="all">
      <br>
      -- <br>
      Lincoln Baxter, III<br>
      <a moz-do-not-send="true" href="http://ocpsoft.com">http://ocpsoft.com</a><br>
      <a moz-do-not-send="true" href="http://scrumshark.com">http://scrumshark.com</a><br>
      "Keep it Simple"<br>
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