conf.set(custom_DataType,
"org.apache.hadoop.chukwa.extraction.demux.processor.mapper.MockMapProcessor,");
mapper.configure(conf);
ChunkBuilder cb = new ChunkBuilder();
cb.addRecord(SAMPLE_RECORD_DATA.getBytes());
ChunkImpl chunk = (ChunkImpl)cb.getChunk();
chunk.setDataType(custom_DataType);
ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();