Index: CodeGenerationSettingsTab.java
===================================================================
--- CodeGenerationSettingsTab.java	(revision 28698)
+++ CodeGenerationSettingsTab.java	(working copy)
@@ -93,6 +93,11 @@
     private DirectoryBrowseField templatedir;
 
 	private SelectionButtonDialogField useExternalProcess;
+	
+	/**
+	 * The field is used to simulate warning message: the error which doesn't prevent launch configuration from to be executed.
+	 */
+	private String warning = null;
 
 	public CodeGenerationSettingsTab() {
 		super();
@@ -284,6 +289,7 @@
 
 
 	private void dialogChanged() {
+		setWarning(null);
 		boolean configSelected = getConfigurationName().length()==0;
 		outputdir.setEnabled(!configSelected);
 		reverseengineer.setEnabled(!configSelected);
@@ -310,11 +316,13 @@
         }
 
         if(packageName.isEnabled() && getOutputPackage().length()>0) {
-            IStatus val= JavaConventions.validatePackageName(getOutputPackage() );
-            if (val.getSeverity() == IStatus.ERROR || val.getSeverity() == IStatus.WARNING) {
+            IStatus val = JavaConventions.validatePackageName(getOutputPackage() );
+            if (val.getSeverity() == IStatus.ERROR) {
                 updateStatus(val.getMessage() );
                 return;
-            }
+            } else if (val.getSeverity() == IStatus.WARNING){
+            	setWarning(val.getMessage());
+            } 
         }
 
         if(reverseEngineeringSettings.isEnabled() && reverseEngineeringSettings.getText().trim().length()>0) {
@@ -378,9 +386,27 @@
             return NLS.bind(HibernateConsoleMessages.CodeGenerationSettingsTab_does_not_exist, name);
         }
     }
+    
+    
+    public void setWarning(String warning){
+    	this.warning = warning;
+    }
+    
+    public String getWarning(){
+    	return this.warning;
+    }
+    
+    /* (non-Javadoc)
+     * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getErrorMessage()
+     */
+    @Override
+    public String getErrorMessage() {
+    	String error = super.getErrorMessage();
+    	return (error == null) ? getWarning() : error;
+    }
 
 	public boolean isValid(ILaunchConfiguration launchConfig) {
-		if (getErrorMessage() == null) {
+		if (super.getErrorMessage() == null) {
 			return true;
 		}
 		return false;