Bug 210490 [Automation][Smoke]All the report chart related are failed of a ChartException in webviewer
Description: All the report chart related are failed of a ChartException in webviewer Test Date: 20071121 Test Build: BIRT2.3.0 Daily Build: v20071121-0800 Step to reproduce: 1. Use the report attached 2. Preview it in web viewer Expect result: Every chart should be displayed correctly without any exception. Actual result: An exception is thrown out. Error log: Please see the attachment.
chart/org.eclipse.birt.chart.reportitem/src/org/eclipse/birt/chart/reportitem/ChartReportItemPresentationBase.java
/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.extension.IReportItemPresentation#getOutputContent()
	 */
	public Object getOutputContent( )
	{
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.extension.IReportItemPresentation#finish()
	 */
	public void finish( )
	{
		logger.log( ILogger.INFORMATION,
				Messages.getString( "ChartReportItemPresentationImpl.log.finishStart" ) ); 
		
		try
		{
			
			imageMap = null;
			if ( fis != null )
			{
				fis.close( );
				fis = null;
			}
		}
		catch ( IOException ioex )