while (pluginIt.hasNext()) {
InstallPluginOperation operation = pluginSet.loadPluginToWorkspace(pluginIt.next().getInputStream());
operations.add(operation);
}
pluginSet.performOperations(operations);
pluginSet.save();
operations.clear();
_core.updatePlugins();
} catch (Exception e) {
throw new WGAServiceException("Plugin installation failed.", e);