now really works locally; i had to make a release .jar locally and te…

…st access to file there

spring.log

@@ -100,3 +100,18 @@ Caused by: java.lang.ClassNotFoundException: com.guessNumbersWithAI.model.Neural
 	... 28 common frames omitted
 
 2024-11-13T16:30:38.361+01:00 ERROR 23460 --- [guessNumbersWithAI] [http-nio-8080-exec-2] c.g.controller.ViewController            : Cannot invoke "java.net.URL.toString()" because the return value of "java.lang.Class.getResource(String)" is null
+2024-11-13T16:59:04.956+01:00 ERROR 23572 --- [guessNumbersWithAI] [restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   : 
+
+***************************
+APPLICATION FAILED TO START
+***************************
+
+Description:
+
+Web server failed to start. Port 8080 was already in use.
+
+Action:
+
+Identify and stop the process that's listening on port 8080 or configure this application to listen on another port.
+
+2024-11-13T16:59:35.672+01:00 ERROR 10864 --- [guessNumbersWithAI] [http-nio-8080-exec-1] c.g.controller.ViewController            : class path resource [classpath:net_params_size784_256_10_lr0.001_trainEps100.txt] cannot be opened because it does not exist

src/main/java/com/guessNumbersWithAI/controller/ViewController.java

@@ -5,16 +5,19 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
+import org.springframework.util.ResourceUtils;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 
 import java.io.File;
 import java.io.FileWriter;
+import java.io.InputStream;
 import java.util.ArrayList;
 
 @Controller
@@ -43,10 +46,12 @@ public String hanglePostMapping(@ModelAttribute("NeuralNetwork") NeuralNetwork o
 
         try{
             // load network parameters from the file
-            Resource resource=resourceLoader.getResource(
+            /*Resource resource=resourceLoader.getResource(
+                    "classpath:net_params_size784_256_10_lr0.001_trainEps100.txt");*/
+            Resource resource= resourceLoader.getResource(
                     "classpath:net_params_size784_256_10_lr0.001_trainEps100.txt");
-            File file = resource.getFile();
-            ourNeuralNetwork.loadNetworkParameters(file);
+            InputStream inputStream = resource.getInputStream();
+            ourNeuralNetwork.loadNetworkParameters(inputStream);
 
             // create input vector by processing raw pixel image data; we turn 280x280 px image into 28x28 px image
             double[] inputVector = drawnImages.processRawInput();

src/main/java/com/guessNumbersWithAI/model/NeuralNetwork.java

@@ -7,11 +7,8 @@
 
 package com.guessNumbersWithAI.model;
 
-import java.io.BufferedReader;
 import java.io.File;
 import java.io.InputStream;
-import java.net.URL;
-import java.util.Arrays;
 import java.util.Scanner;
 
 public class NeuralNetwork {
@@ -102,7 +99,7 @@ public void forward(double[] input) throws RuntimeException{
 
 
     // loads the parameters of the chosen network
-    public void loadNetworkParameters(File networkParamsFile) throws Exception{
+    public void loadNetworkParameters(InputStream networkParamsFile) throws Exception{
 
         Scanner reader = new Scanner(networkParamsFile);