*/
JabRefPlugin jabrefPlugin = JabRefPlugin.getInstance(PluginCore.getManager());
if (jabrefPlugin != null){
for (EntryFetcherExtension ext : jabrefPlugin.getEntryFetcherExtensions()){
try {
EntryFetcher fetcher = ext.getEntryFetcher();
if (fetcher != null){
fetchers.add(fetcher);
}
} catch (ClassCastException ex) {
PluginCore.getManager().disablePlugin(ext.getDeclaringPlugin().getDescriptor());