Change Variable Type	nodeToBlocks : HashMap<String,List<OneBlockInfo>> to nodeToBlocks : HashMap<String,Set<OneBlockInfo>> in method private getMoreSplits(job JobContext, stats List<FileStatus>, maxSize long, minSizeNode long, minSizeRack long, splits List<InputSplit>) : void in class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat