Bug 315315 Warning messages seen while starting up workbench
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/impl/SerializerImpl.java
try
		{
			reader = new BufferedReader( SecurityUtil.newInputStreamReader( is,
					"UTF-8" ) ); 
			boolean bChartStarted = false;
			while ( true )
			{
				String sTmp = reader.readLine( );
				if ( sTmp == null )
				{
					break;
				}
				if ( sTmp.startsWith( "<?" ) ) 
				{
					sbChart.append( sTmp );
					sbChart.append( "\n" ); 
				}
				if ( sTmp.equals( CHART_START_MARKER ) )
				{
					bChartStarted = true;
					continue;
				}
				if ( bChartStarted )
				{
					if ( !sTmp.equals( CHART_END_MARKER ) )
					{
						sbChart.append( sTmp );
						sbChart.append( "\n" ); 
					}
					else