Bug 161501 [Smoke] Chart can not be previewed in Web Viewer & HTML
Chart can not be previewed in Web Viewer & HTML Steps to reproduce: 1. Create a chart. 2. Preveiw in Web Viewer/ HTML. Expected result: Chart can be previewed. Actual result: No chart is shown.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
if ( logDirectory == null || logDirectory.trim( ).length( ) <= 0
				|| ParameterAccessor.isRelativePath( logDirectory ) )
		{
			logDirectory = ParameterAccessor.getRealPath( servletConfig
					.getServletContext( ), "/logs" ); 
		}
		
		String logLevel = servletConfig.getServletContext( ).getInitParameter(
				ParameterAccessor.INIT_PARAM_LOG_LEVEL );
		Level level = Level.OFF;
		if ( "SEVERE".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.SEVERE;
		}
		else if ( "WARNING".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.WARNING;
		}
		else if ( "INFO".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.INFO;
		}
		else if ( "CONFIG".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.CONFIG;
		}
		else if ( "FINE".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.FINE;
		}