Bug 315315 Warning messages seen while starting up workbench
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/PluginSettings.java
}
	}
	/**
	 * Registers a display server implementation, this class should implement
	 * the IDisplayServer interface.
	 * 
	 * @param sName
	 * @param sServerClass
	 *            the full qualified class name of the implementor.
	 * 
	 * @see IDisplayServer
	 */
	synchronized public final void registerDisplayServer( String sName,
			String sServerClass )
	{
		String[][] newSvrs = new String[saDisplayServers.length + 1][2];
		for ( int i = 0; i < saDisplayServers.length; i++ )
		{
			newSvrs[i][0] = saDisplayServers[i][0];
			newSvrs[i][1] = saDisplayServers[i][1];
		}
		newSvrs[saDisplayServers.length][0] = sName;
		newSvrs[saDisplayServers.length][1] = sServerClass;
		saDisplayServers = newSvrs;
	}
	/**
	 * Registers a new Series renderer implementation.
	 * 
	 * @param sSeriesClass
	 *            the full qualified class name of which implements the Series