Index: src/main/java/org/apache/maven/plugin/ear/EjbModule.java
===================================================================
--- src/main/java/org/apache/maven/plugin/ear/EjbModule.java	(revision 635262)
+++ src/main/java/org/apache/maven/plugin/ear/EjbModule.java	Sun Mar 09 10:57:57 CDT 2008
@@ -44,7 +44,7 @@
 
     public void appendModule( XMLWriter writer, String version )
     {
-        writer.startElement( MODULE_ELEMENT );
+        appendModuleElement(writer);
         writer.startElement( EJB_MODULE );
         writer.writeText( getUri() );
         writer.endElement();
Index: src/main/java/org/apache/maven/plugin/ear/WebModule.java
===================================================================
--- src/main/java/org/apache/maven/plugin/ear/WebModule.java	(revision 635262)
+++ src/main/java/org/apache/maven/plugin/ear/WebModule.java	Sun Mar 09 10:55:43 CDT 2008
@@ -54,7 +54,7 @@
 
     public void appendModule( XMLWriter writer, String version )
     {
-        writer.startElement( MODULE_ELEMENT );
+        appendModuleElement(writer);
         writer.startElement( WEB_MODULE );
         writer.startElement( WEB_URI_FIELD );
         writer.writeText( getUri() );
Index: src/main/java/org/apache/maven/plugin/ear/JarModule.java
===================================================================
--- src/main/java/org/apache/maven/plugin/ear/JarModule.java	(revision 635262)
+++ src/main/java/org/apache/maven/plugin/ear/JarModule.java	Sun Mar 09 10:58:44 CDT 2008
@@ -62,7 +62,7 @@
         // includeInApplicationXml is set
         if ( includeInApplicationXml.booleanValue() )
         {
-            writer.startElement( MODULE_ELEMENT );
+            appendModuleElement(writer);
             writer.startElement( JAVA_MODULE );
             writer.writeText( getUri() );
             writer.endElement();
Index: src/main/java/org/apache/maven/plugin/ear/AbstractEarModule.java
===================================================================
--- src/main/java/org/apache/maven/plugin/ear/AbstractEarModule.java	(revision 635262)
+++ src/main/java/org/apache/maven/plugin/ear/AbstractEarModule.java	Sun Mar 09 11:24:53 CDT 2008
@@ -54,6 +54,8 @@
 
     private String classifier;
 
+    private String moduleId;
+
     protected String bundleDir;
 
     protected String bundleFileName;
@@ -122,6 +124,11 @@
         return artifact;
     }
 
+    public String getModuleId()
+    {
+        return moduleId;
+    }
+
     public String getUri()
     {
         if ( uri == null )
@@ -245,6 +252,30 @@
         }
     }
 
+    /**
+     * Append the module element, possibly including an id attribute, to the XML writer.
+     * 
+     * @param writer the XML writer.
+     */
+    protected void appendModuleElement(XMLWriter writer) {
+        writer.startElement( MODULE_ELEMENT );
+        if (null != getModuleId())
+        {
+            writer.addAttribute("id", getModuleId());
+        }
+        else
+        {
+            Artifact artifact = getArtifact();
+            String generatedId = artifact.getType().toUpperCase() + "_" + artifact.getGroupId() + "." +
+                    artifact.getArtifactId();
+            if (null != artifact.getClassifier() && artifact.getClassifier().trim().length() > 0)
+            {
+                generatedId += "-" + artifact.getClassifier().trim();
+            }
+            writer.addAttribute("id", generatedId);
+        }
+    }
+
     public String toString()
     {
         StringBuffer sb = new StringBuffer();