BIRT中：can't startup the osgi framework

PluginSettings.instance().getDevice("dv.swt")
异常：can't startup the osgi framework
解决方案：（改为以下几句话）
PlatFormConfig pf = new PlatFormConfig();
pf.setProperty("STANDALONE",true);
ChartEngine ce = ChartEngine.instance(pf);
deviceRender = ce.getRender("dv.swt");