Program: 24474
Project: 24474
Buggy source:
@SuppressWarnings("String_Node_Str") public final void readConfig(GiraphConfiguration config){
  this.debugNeighborsOfVerticesToDebug=config.getBoolean(DEBUG_NEIGHBORS_FLAG,false);
  String superstepsToDebugStr=config.get(SUPERSTEPS_TO_DEBUG_FLAG,null);
  if (superstepsToDebugStr == null) {
    superstepsToDebugSet=null;
  }
 else {
    String[] superstepsToDebugArray=superstepsToDebugStr.split(SUPERSTEP_DELIMITER);
    superstepsToDebugSet=new HashSet<>();
    for (    String superstepStr : superstepsToDebugArray) {
      superstepsToDebugSet.add(Long.valueOf(superstepStr));
    }
  }
  debugAllVertices=config.getBoolean(DEBUG_ALL_VERTICES_FLAG,false);
  if (!debugAllVertices) {
    String verticesToDebugStr=config.get(VERTICES_TO_DEBUG_FLAG,null);
    Class<? extends Computation> userComputationClass=config.getComputationClass();
    Class<?>[] typeArguments=ReflectionUtils.getTypeArguments(Computation.class,userComputationClass);
    Class<?> idType=typeArguments[0];
    if (verticesToDebugStr != null) {
      String[] verticesToDebugArray=verticesToDebugStr.split(VERTEX_ID_DELIMITER);
      this.verticesToDebugSet=new HashSet<>();
      for (      String idString : verticesToDebugArray) {
        if (LongWritable.class.isAssignableFrom(idType)) {
          verticesToDebugSet.add((I)new LongWritable(Long.valueOf(idString)));
        }
 else         if (IntWritable.class.isAssignableFrom(idType)) {
          verticesToDebugSet.add((I)new IntWritable(Integer.valueOf(idString)));
        }
 else {
          throw new IllegalArgumentException("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
        }
      }
    }
  }
  LOG.debug("String_Node_Str" + this);
}

Fixed version (ground truth):
/** 
 * Configures this class through a   {@link GiraphConfiguration}, which may contain some flags passed in by the user.
 * @param config a {@link GiraphConfiguration} object.
 */
@SuppressWarnings("String_Node_Str") public final void readConfig(GiraphConfiguration config){
  this.debugNeighborsOfVerticesToDebug=config.getBoolean(DEBUG_NEIGHBORS_FLAG,false);
  String superstepsToDebugStr=config.get(SUPERSTEPS_TO_DEBUG_FLAG,null);
  if (superstepsToDebugStr == null) {
    superstepsToDebugSet=null;
  }
 else {
    String[] superstepsToDebugArray=superstepsToDebugStr.split(SUPERSTEP_DELIMITER);
    superstepsToDebugSet=new HashSet<>();
    for (    String superstepStr : superstepsToDebugArray) {
      superstepsToDebugSet.add(Long.valueOf(superstepStr));
    }
  }
  debugAllVertices=config.getBoolean(DEBUG_ALL_VERTICES_FLAG,false);
  if (!debugAllVertices) {
    String verticesToDebugStr=config.get(VERTICES_TO_DEBUG_FLAG,null);
    Class<? extends Computation> userComputationClass=config.getComputationClass();
    Class<?>[] typeArguments=ReflectionUtils.getTypeArguments(Computation.class,userComputationClass);
    Class<?> idType=typeArguments[0];
    if (verticesToDebugStr != null) {
      String[] verticesToDebugArray=verticesToDebugStr.split(VERTEX_ID_DELIMITER);
      this.verticesToDebugSet=new HashSet<>();
      for (      String idString : verticesToDebugArray) {
        if (LongWritable.class.isAssignableFrom(idType)) {
          verticesToDebugSet.add((I)new LongWritable(Long.valueOf(idString)));
        }
 else         if (IntWritable.class.isAssignableFrom(idType)) {
          verticesToDebugSet.add((I)new IntWritable(Integer.valueOf(idString)));
        }
 else {
          throw new IllegalArgumentException("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
        }
      }
    }
  }
  LOG.debug("String_Node_Str" + this);
}