Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/TaskSelectData.java
if ( getDataServiceProvider( ).isLivePreviewEnabled( )
				&& ChartUIUtil.checkDataBinding( getChartModel( ) )
				&& hasDataSet( ) )
		{
			
			ChartPreviewPainter.activateLivePreview( true );
			
			ChartAdapter.ignoreNotifications( true );
			try
			{
				ChartUIUtil.doLivePreview( getChartModel( ),
						getDataServiceProvider( ) );
			}
			
			catch ( Exception e )
			{
				
				ChartPreviewPainter.activateLivePreview( false );
			}
			ChartAdapter.ignoreNotifications( false );
		}
		else
		{
			
			ChartPreviewPainter.activateLivePreview( false );
		}
		previewPainter.renderModel( getChartModel( ) );
	}
}