// LoadFunc and StoreFunc add delegation tokens to Job Credentials in
// setLocation and setStoreLocation respectively. For eg: HBaseStorage
// InputFormat add delegation token in getSplits and OutputFormat in
// checkOutputSpecs. For eg: FileInputFormat and FileOutputFormat
if (stores.size() > 0) {
new PigOutputFormat().checkOutputSpecs(job);
}
String vmPluginName = null;
Configuration vmPluginConf = null;