Program: 37669
Project: 37669
Buggy source:
/** 
 * Initializes the "Virtual Spout."
 */
@Override public void open(){
  if (isOpened) {
    throw new IllegalStateException("String_Node_Str");
  }
  isOpened=true;
  logger.info("String_Node_Str",startingState);
  logger.info("String_Node_Str",endingState);
  deserializer=getFactoryManager().createNewDeserializerInstance();
  retryManager=getFactoryManager().createNewFailedMsgRetryManagerInstance();
  retryManager.open(getTopologyConfig());
  if (consumer == null) {
    final PersistenceAdapter persistenceAdapter=getFactoryManager().createNewPersistenceAdapterInstance();
    persistenceAdapter.open(getTopologyConfig());
    final List<String> kafkaBrokers=(List<String>)getTopologyConfigItem(SidelineSpoutConfig.KAFKA_BROKERS);
    final String topic=(String)getTopologyConfigItem(SidelineSpoutConfig.KAFKA_TOPIC);
    final ConsumerConfig consumerConfig=new ConsumerConfig(kafkaBrokers,getVirtualSpoutId(),topic);
    consumerConfig.setNumberOfConsumers(topologyContext.getComponentTasks(topologyContext.getThisComponentId()).size());
    consumerConfig.setIndexOfConsumer(topologyContext.getThisTaskIndex());
    consumer=new Consumer(consumerConfig,persistenceAdapter);
  }
  consumer.open(startingState);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
}

Fixed version (ground truth):
/** 
 * Initializes the "Virtual Spout."
 */
@Override public void open(){
  if (isOpened) {
    throw new IllegalStateException("String_Node_Str");
  }
  isOpened=true;
  logger.info("String_Node_Str",startingState);
  logger.info("String_Node_Str",endingState);
  deserializer=getFactoryManager().createNewDeserializerInstance();
  retryManager=getFactoryManager().createNewFailedMsgRetryManagerInstance();
  retryManager.open(getSpoutConfig());
  if (consumer == null) {
    final PersistenceAdapter persistenceAdapter=getFactoryManager().createNewPersistenceAdapterInstance();
    persistenceAdapter.open(getSpoutConfig());
    final List<String> kafkaBrokers=(List<String>)getSpoutConfigItem(SidelineSpoutConfig.KAFKA_BROKERS);
    final String topic=(String)getSpoutConfigItem(SidelineSpoutConfig.KAFKA_TOPIC);
    final ConsumerConfig consumerConfig=new ConsumerConfig(kafkaBrokers,getVirtualSpoutId(),topic);
    consumerConfig.setNumberOfConsumers(topologyContext.getComponentTasks(topologyContext.getThisComponentId()).size());
    consumerConfig.setIndexOfConsumer(topologyContext.getThisTaskIndex());
    consumer=new Consumer(consumerConfig,persistenceAdapter);
  }
  consumer.open(startingState);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  nextTupleTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
  ackTimeBuckets.put("String_Node_Str",0L);
}