Encountering the error message "Failed to load resource: the server responded with a status of 500 (Internal Server Error)" while using Django and Vue on my website

While working on my project that combines Vue and Django, I encountered a persistent error message when running the code:

"Failed to load resource: the server responded with a status of 500 (Internal Server Error)

127.0.0.1:8000/api/v1/products/winter/yellow-jacket-with-no-zipper:1"

I tried reloading and even waited for 30 minutes in the hope that the error would disappear, but it kept popping up consistently.

I suspect there might be an issue in my JavaScript code as I don't face any errors while running the Vue project.

The following sections showcase the specific code snippets where I think the problem lies:

Back end:

urls.py module in product package:

from django.urls import path, include

from product import views

urlpatterns = [
  path('latest-products/', views.LatestProductsList.as_view()),
  path('products/<slug:category_slug>/<slug:product_slug>', views.ProductDetail.as_view()),
]

Front end:

Product.vue script:

<template>
  <div class="page-product">
    <!-- Content here -->
  </div>
</template>

<script>
import axios from 'axios'

export default {
  name: 'Product',
  data() {
    return {
      // Data properties here
    }
  },
  mounted() {
    this.getProduct()
  },
  methods: {
    getProduct() {
      // Method implementation here
    }
  }
}
</script>

Edit:

Upon further review, it seems like the issue could be related to the views.py module within the product package:

from django.http import Http404

from rest_framework.views import APIView
from rest_framework.response import Response

from .models import Product
from .serializers import ProductSerializer

class LatestProductsList(APIView):
  def get(self, request, format=None):
    # Code snippet here

class ProductDetail(APIView):
  # More detailed code snippet here

Answer №1

Upon reviewing my code, I made a crucial discovery that led to resolving the issue at hand. The root cause was traced back to the views.py module within the product package, specifically within the get_object function of the ProductDetail class.

Here's the original snippet:

 class ProductDetail(APIView):
  def get_object(self, category_slug, product_slug):
    try:
      return Product.objects.filter(category_slug=category_slug).get(slug=product_slug)
    except Product.DoesNotExist:
      raise Http404

The key realization was the necessity for an additional underscore/underline when defining the category slug parameter. Therefore, changing

category_slug=category_slug 

to

category__slug=category_slug

resulted in the updated version as follows:

class ProductDetail(APIView):
      def get_object(self, category_slug, product_slug):
        try:
          return Product.objects.filter(category__slug=category_slug).get(slug=product_slug)
        except Product.DoesNotExist:
          raise Http404

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