Errors

package renderEngine;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;

import models.RawModel;

import org.lwjgl.util.vector.Vector2f;
import org.lwjgl.util.vector.Vector3f;

public class OBJLoader {

    public static RawModel loadObjModel(String fileName, Loader loader){
        FileReader fr = null;
        try {
        fr = new FileReader(new File("res/"+fileName+".obj"));
        } catch (FileNotFoundException e) {
            System.err.println("Couldn't Load File!");
            e.printStackTrace();
        }
        BufferedReader reader = new BufferedReader(fr);
        String line;
        List<Vector3f> vertices = new ArrayList<Vector3f>();
        List<Vector2f> textures = new ArrayList<Vector2f>();
        List<Vector3f> normals = new ArrayList<Vector3f>();
        List<Integer> indices = new ArrayList<Integer>();
        float[] verticesArray = null;
        float[] normalsArray = null;
        float[] texturesArray = null;
        float[] indicesArray = null;

        while(true) {
            line = reader.readLine();
            String[] currentLine = line.split(" ");
            if(line.startsWith("v ")) {
                Vector3f vertex = new Vector3f(Float.parseFloat(currentLine[1]), Float.parseFloat(currentLine[2]),Float.parseFloat(currentLine[3]));
                vertices.add(vertex);
            }else if(line.startsWith("vt ")){
                Vector2f texture = new Vector2f(Float.parseFloat(currentLine[1]),Float.parseFloat(currentLine[2]));
                textures.add(texture);
            }else if(line.startsWith("vn ")){
                Vector3f normal = new Vector3f(Float.parseFloat(currentLine[1]), Float.parseFloat(currentLine[2]),Float.parseFloat(currentLine[3]));
                normals.add(normal);
            }else if(line.startsWith("f ")){
                texturesArray = new float[vertices.size()*2];
                normalsArray = new float[vertices.size()*3];
                break;
            }
        }

        while(line!=null) {
            if(!line.startsWith("f ")){
                line = reader.readLine();
                continue;
            }
            String[] currentLine = line.split(" ");
            String[] vertex1 = currentLine[1].split("/");
            String[] vertex2 = currentLine[2].split("/");
            String[] vertex3 = currentLine[3].split("/");

            processVertex(vertex1, indices, textures, normals, texturesArray, normalsArray);
            processVertex(vertex2, indices, textures, normals, texturesArray, normalsArray);
            processVertex(vertex3, indices, textures, normals, texturesArray, normalsArray);
            line = reader.readLine();
        }
        reader.close();

    }catch (Exception e){
        e.printStackTrace();
    }

        verticesArray = new float[vertices.size()*3];
        indicesArray = new int[inmdices.size()];

        int vertexPointer = 0;
        for(Vector3f vertex:vertices){
            verticesArray[vertexPointer++] = vertex.x;
            verticesArray[vertexPointer++] = vertex.y;
            verticesArray[vertexPointer++] = vertex.z;
        }

        for(int i=0;i<indices.size();i++){
            indicesArray[i] = indices.get(index);
        }
        return loader.loadToVAO(verticesArray, texturesArray, indicesArray);

    }

    private static void processVertex(String[] vertexData, List<Integer> indices, List<Vector2f> textures, List<Vector3f> normals,
            float[] textureArray, float[] normalsArray) {

        int currentVertexPointer = Integer.parseInt(vertexData[0]) - 1;
        indices.add(currentVertexPointer);
        Vector2f currentTex = textures.get(Integer.parseInt(vertexData[1])-1);
        textureArray[currentVertexPointer*2] = currentTex.x;
        textureArray[currentVertexPointer*2+1] = 1 - currentTex.y;
        Vector3f currentNorm = normals.get(Integer.parseInt(vertexData[2])-1);
        normalsArray[currentVertexPointer*3] = currentNorm.x;
        normalsArray[currentVertexPointer*3+1] = currentNorm.y;
        normalsArray[currentVertexPointer*3+2] = currentNorm.z;
    }
}