Program: 160902
Project: 160902
Buggy source:
@Override public Object[] deserialize(InputStream inputStream,ControllerMethod method){
  Class<?>[] types=getTypes(method);
  if (types.length == 0) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  Gson gson=builder.create();
  final Parameter[] parameterNames=paramNameProvider.parametersFor(method.getMethod());
  final Object[] values=new Object[parameterNames.length];
  final Deserializee deserializee=deserializeeInstance.get();
  try {
    String content=getContentOfStream(inputStream);
    logger.debug("String_Node_Str",content);
    if (!isNullOrEmpty(content)) {
      JsonParser parser=new JsonParser();
      JsonElement jsonElement=parser.parse(content);
      if (jsonElement.isJsonObject()) {
        JsonObject root=jsonElement.getAsJsonObject();
        deserializee.setWithoutRoot(isWithoutRoot(parameterNames,root));
        for (        Class<? extends DeserializerConfig> option : method.getMethod().getAnnotation(Consumes.class).options()) {
          DeserializerConfig config=container.instanceFor(option);
          config.config(deserializee);
        }
        for (int i=0; i < types.length; i++) {
          Parameter parameter=parameterNames[i];
          JsonElement node=root.get(parameter.getName());
          if (deserializee.isWithoutRoot()) {
            values[i]=gson.fromJson(root,parameter.getParameterizedType());
            logger.info("String_Node_Str");
            break;
          }
 else           if (node != null) {
            if (node.isJsonArray()) {
              JsonArray jsonArray=node.getAsJsonArray();
              Type type=parameter.getParameterizedType();
              if (type instanceof ParameterizedType) {
                values[i]=gson.fromJson(jsonArray,type);
              }
 else {
                values[i]=gson.fromJson(jsonArray,types[i]);
              }
            }
 else {
              values[i]=gson.fromJson(node,types[i]);
            }
          }
        }
      }
 else       if (jsonElement.isJsonArray()) {
        if ((parameterNames.length != 1) || (!(parameterNames[0].getParameterizedType() instanceof ParameterizedType)))         throw new IllegalArgumentException("String_Node_Str");
        JsonArray jsonArray=jsonElement.getAsJsonArray();
        values[0]=gson.fromJson(jsonArray,parameterNames[0].getParameterizedType());
      }
 else {
        throw new IllegalArgumentException("String_Node_Str");
      }
    }
  }
 catch (  Exception e) {
    throw new ResultException("String_Node_Str",e);
  }
  logger.debug("String_Node_Str",(Object)values);
  return values;
}

Fixed version (ground truth):
@Override public Object[] deserialize(InputStream inputStream,ControllerMethod method){
  Class<?>[] types=getTypes(method);
  if (types.length == 0) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  Gson gson=builder.create();
  final Parameter[] parameterNames=paramNameProvider.parametersFor(method.getMethod());
  final Object[] values=new Object[parameterNames.length];
  final Deserializee deserializee=deserializeeInstance.get();
  try {
    String content=getContentOfStream(inputStream);
    logger.debug("String_Node_Str",content);
    if (!isNullOrEmpty(content)) {
      JsonParser parser=new JsonParser();
      JsonElement jsonElement=parser.parse(content);
      if (jsonElement.isJsonObject()) {
        JsonObject root=jsonElement.getAsJsonObject();
        deserializee.setWithoutRoot(isWithoutRoot(parameterNames,root));
        for (        Class<? extends DeserializerConfig> option : method.getMethod().getAnnotation(Consumes.class).options()) {
          DeserializerConfig config=container.instanceFor(option);
          config.config(deserializee);
        }
        for (int i=0; i < types.length; i++) {
          Parameter parameter=parameterNames[i];
          JsonElement node=root.get(parameter.getName());
          if (deserializee.isWithoutRoot()) {
            values[i]=gson.fromJson(root,fallbackTo(parameter.getParameterizedType(),types[i]));
            logger.info("String_Node_Str");
            break;
          }
 else           if (node != null) {
            if (node.isJsonArray()) {
              JsonArray jsonArray=node.getAsJsonArray();
              Type type=parameter.getParameterizedType();
              if (type instanceof ParameterizedType) {
                values[i]=gson.fromJson(jsonArray,type);
              }
 else {
                values[i]=gson.fromJson(jsonArray,types[i]);
              }
            }
 else {
              values[i]=gson.fromJson(node,types[i]);
            }
          }
        }
      }
 else       if (jsonElement.isJsonArray()) {
        if ((parameterNames.length != 1) || (!(parameterNames[0].getParameterizedType() instanceof ParameterizedType)))         throw new IllegalArgumentException("String_Node_Str");
        JsonArray jsonArray=jsonElement.getAsJsonArray();
        values[0]=gson.fromJson(jsonArray,parameterNames[0].getParameterizedType());
      }
 else {
        throw new IllegalArgumentException("String_Node_Str");
      }
    }
  }
 catch (  Exception e) {
    throw new ResultException("String_Node_Str",e);
  }
  logger.debug("String_Node_Str",(Object)values);
  return values;
}