Bug 140542 label can't be displayed without resource file or unmatched key
Steps to reproduce: 1.New a report, add a lable with text "aaa" 2.Add a resource file for the report, set key to "key1", value to "actuate", apply the value to the label 3.Clear the resource file in Property Editor->General->Resource File (or change the key to "abc") 4.Preview the report Expected result: 1.Display label text "aaa" on preview or 2.Give a warning message to say resource file is not found or unmatched key Actual result: Nothing displays on preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
protected void onCreate( )
	{
		
		
		
		saveState = 0;
	}
	/**
	 * Close this module.
	 */
	public void close( )
	{
		isValid = false;
		if ( !isReadOnly( ) )
		{
			saveState = activityStack.getCurrentTransNo( );
			session.drop( this );
		}
	}
	/**
	 * This method is not supported in report design.
	 * 
	 * @return Object the cloned report design element.
	 * 
	 * @see java.lang.Object#clone()
	 */
	public Object clone( ) throws CloneNotSupportedException
	{
		Module module = (Module) super.clone( );