Bug 180190 Some unnecessary error log is shown in charting
When a chart in a report has no data, or there is no SWT interactivity notifier hooked to the engine, an warning or error are logged. Those are normal conditions of execution and should only log with a INFO level.
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtRendererImpl.java
{
					RegionAction ra = (RegionAction) sitr.next( );
					ra.dispose( );
				}
			}
		}
		_lhmAllTriggers.clear( );
	}
	/**
	 * Free all allocated system resources.
	 */
	public void dispose( )
	{
		cleanUpTriggers( );
		if ( _iun != null )
		{
			Object obj = _iun.peerInstance( );
			if ( obj instanceof Composite )
			{
				Composite jc = (Composite) obj;
				if ( _eh != null )
				{
					if ( !jc.isDisposed( ) )
					{
						
						
						
						
						
						jc.removeMouseListener( _eh );