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
else if ( "FINER".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.FINER;
		}
		else if ( "FINEST".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.FINEST;
		}
		else if ( "OFF".equalsIgnoreCase( logLevel ) ) 
		{
			level = Level.OFF;
		}
		config.setLogConfig( logDirectory, level );
		
		String scriptLibDir = servletConfig.getServletContext( )
				.getInitParameter( ParameterAccessor.INIT_PARAM_SCRIPTLIB_DIR );
		if ( scriptLibDir == null || scriptLibDir.trim( ).length( ) <= 0
				|| ParameterAccessor.isRelativePath( scriptLibDir ) )
		{
			scriptLibDir = ParameterAccessor.getRealPath( servletConfig
					.getServletContext( ), "/scriptlib" ); 
		}
		ArrayList jarFileList = new ArrayList( );
		if ( scriptLibDir != null )
		{
			File dir = new File( scriptLibDir );
			getAllJarFiles( dir, jarFileList );
		}
		String scriptlibClassPath = ""; 
		for ( int i = 0; i < jarFileList.size( ); i++ )