Getting 404 Error while Loading the thymleaf page | Java Community | Help. Code. Learn. | Page 1

icy field Aug 17, 2024, 2:57 PM

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    public String deleteStudentBook(@RequestParam Long roll_no, Long book_id, Model model) {
        log.debug("Received request to delete student book. roll_no: {}, book_id: {}", roll_no, book_id);

        StudentDetailsDto studentDetails = studentDetailsService.getStudentById(roll_no)
                .orElseThrow(() -> {
                    log.error("Student not found for roll_no: {}", roll_no);
                    return new StudentNotFound("No Student Found");
                });

        if (studentDetails.getBooksDetails().size() == 1) {
            log.debug("Deleting student books and details. roll_no: {}", roll_no);
            studentDetailsService.deleteStudentBooks(book_id);
            studentDetailsService.deleteStudentDetails(roll_no);
            return "redirect:/home";
        } else {
            log.debug("Deleting student books. roll_no: {}", roll_no);
            studentDetailsService.deleteStudentBooks(book_id);
            return "redirect:/allbooks";
        }

    }```

gloomy lakeBOT Aug 17, 2024, 2:57 PM

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icy field Aug 17, 2024, 2:58 PM

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<html xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity5">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Student Books</title>
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/tailwind.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">
</head>

<body class="bg-gray-100 p-6">
    <div class="container mx-auto">
        <div class="w-full h-auto flex justify-center items-center">
            <h1 class="text-xl font-bold text-gray-800 mb-4 whitespace-nowrap sm:text-xl md:text-2xl lg:text-3xl">
                <span th:text="${studentAllBooks.name}"></span>
            </h1>
        </div>
        <div class="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-2 lg:grid-cols-3 gap-6 mt-6 sm:mt-6 md:mt-8 lg:mt-10">
            <div th:each="book : ${studentAllBooks.booksDetails}" class="relative bg-white shadow-md rounded-lg p-4">
                <!-- Dustbin Icon -->
                <form th:action="@{/deletestudentbook}" method="post" style="display:inline;">
                    <input type="hidden" name="roll_no" th:value="${studentAllBooks.roll_no}" />
                    <input type="hidden" name="book_id" th:value="${book.bookId}" />
                    <button type="submit" class="absolute top-2 right-2 text-gray-500 hover:text-red-500">
                        <i class="fas fa-trash-alt"></i>
                    </button>
                </form>
                ```

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I dont know why whats the issue is ? Can Anyone Help

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Even the loggers arenot loggging anything when goes to the /deletestudentbook endpoint

tired bane Aug 17, 2024, 3:27 PM

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its because your endpoint is not getting hit

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check full url

icy field Aug 17, 2024, 3:27 PM

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tired bane its because your endpoint is not getting hit

ohh

tired bane Aug 17, 2024, 3:28 PM

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inspect element -> network tab then click on submit button

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that will show whats happening

icy field Aug 17, 2024, 3:37 PM

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I am getting this

icy field Aug 17, 2024, 3:37 PM

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tired bane that will show whats happening

..

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i dont know where this allbooks some from ?

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My html page name is allbooks

tired bane Aug 17, 2024, 3:56 PM

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isnt that your else branch?

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@icy field

icy field Aug 17, 2024, 3:57 PM

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tired bane isnt that your else branch?

Wdym ?

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@tired bane

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I am returning the page if the student is deleted but it's not getting it instead got got this allbooks error with 404

tired bane Aug 17, 2024, 3:58 PM

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if (studentDetails.getBooksDetails().size() == 1) {
            log.debug("Deleting student books and details. roll_no: {}", roll_no);
            studentDetailsService.deleteStudentBooks(book_id);
            studentDetailsService.deleteStudentDetails(roll_no);
            return "redirect:/home";
        } else {
            log.debug("Deleting student books. roll_no: {}", roll_no);
            studentDetailsService.deleteStudentBooks(book_id);
            return "redirect:/allbooks";
        }

tired bane Aug 17, 2024, 3:59 PM

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icy field I am returning the page if the student is deleted but it's not getting it instea...

i dont see a 404 in your network logs

icy field Aug 17, 2024, 4:17 PM

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tired bane i dont see a 404 in your network logs

tired bane Aug 17, 2024, 4:36 PM

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ahh do you hava allbooks html?

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it says right in the error message

gloomy lakeBOT Aug 17, 2024, 9:40 PM

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icy field Aug 18, 2024, 5:53 AM

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tired bane ahh do you hava allbooks html?

Yehh I have it

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And I am returning it after deleting a single book from the student book list but it gives error

#Getting 404 Error while Loading the thymleaf page