JCH
Java Community | Help. Code. Learn.•10mo ago
' .•` KIΛ.RΛR ’•. '

springframework.validation.BindException: Date

@Controller
public class WelcomeController {
    @GetMapping("/welcome")
    public String mainWithParam(
            @RequestParam(name = "name", required = false, defaultValue = "") String name, Model model,
            @ModelAttribute ReservationForm form) {

        model.addAttribute("form", form);
        return "welcome";
    }

    @PostMapping("/welcome/a")
    public String datePickerOnChange(@ModelAttribute("form") ReservationForm form, Model model,
            @RequestParam String date) {
        System.out.println("eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
        System.out.println(date);
        System.out.println(form.getDate());
        //set date on form to new date
        //update data

        /*  [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 1 errors
        Field error in object 'form' on field 'date': rejected value [2023-11-29T11:20:17.719199]; codes [typeMismatch.form.date,typeMismatch.date,typeMismatch.java.time.LocalDateTime,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [form.date,date]; arguments []; default message [date]]; default message [Failed to convert value of type 'java.lang.String[]' to required type 'java.time.LocalDateTime'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.format.annotation.DateTimeFormat java.time.LocalDateTime] for value '2023-11-29T11:20:17.719199'; nested exception is java.lang.IllegalArgumentException: Parse attempt failed for value [2023-11-29T11:20:17.719199]]]
          */
        return "welcome";
    }
}
@Controller
public class WelcomeController {
    @GetMapping("/welcome")
    public String mainWithParam(
            @RequestParam(name = "name", required = false, defaultValue = "") String name, Model model,
            @ModelAttribute ReservationForm form) {

        model.addAttribute("form", form);
        return "welcome";
    }

    @PostMapping("/welcome/a")
    public String datePickerOnChange(@ModelAttribute("form") ReservationForm form, Model model,
            @RequestParam String date) {
        System.out.println("eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
        System.out.println(date);
        System.out.println(form.getDate());
        //set date on form to new date
        //update data

        /*  [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 1 errors
        Field error in object 'form' on field 'date': rejected value [2023-11-29T11:20:17.719199]; codes [typeMismatch.form.date,typeMismatch.date,typeMismatch.java.time.LocalDateTime,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [form.date,date]; arguments []; default message [date]]; default message [Failed to convert value of type 'java.lang.String[]' to required type 'java.time.LocalDateTime'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.format.annotation.DateTimeFormat java.time.LocalDateTime] for value '2023-11-29T11:20:17.719199'; nested exception is java.lang.IllegalArgumentException: Parse attempt failed for value [2023-11-29T11:20:17.719199]]]
          */
        return "welcome";
    }
}
12 Replies
JavaBot
JavaBot•10mo ago
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' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
<!DOCTYPE HTML>
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <script src="http://code.jquery.com/jquery-1.8.3.js"></script>
    <title>Spring Boot Thymeleaf Hello World Example</title>
    <link rel="stylesheet" th:href="@{webjars/bootstrap/4.2.1/css/bootstrap.min.css}" />
    <link rel="stylesheet" th:href="@{/css/main.css}" />

</head>
<body>
    <form th:object="${form}">
        <div>
            <label for="reservation-date"></label>
            <input class="formContent" type="datetime-local" th:field="*{date}"
                th:onchange="reloadAlleyOptions(this.getAttribute('data-date'))" th:data-date="*{date}" />
        </div>

        <button type="submit"></button>

    </form>
</body>

<script src="https://code.jquery.com/jquery-3.7.1.min.js"
    integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>

<script>
    $(document).bind("ajaxSend", function () {
        console.log("waiting for all requests to complete...");
    }).bind("ajaxStop", function () {
        location.reload();
    });

    function reloadAlleyOptions(date) {
        console.log(date)
        console.log("---")
        $.ajax({
            method: "post",
            type: "POST",
            url: "/welcome/a?date=" + date,
            success: function (response) {

            },
            error: function (e) {}
        });
    }
</script>

</html>
<!DOCTYPE HTML>
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <script src="http://code.jquery.com/jquery-1.8.3.js"></script>
    <title>Spring Boot Thymeleaf Hello World Example</title>
    <link rel="stylesheet" th:href="@{webjars/bootstrap/4.2.1/css/bootstrap.min.css}" />
    <link rel="stylesheet" th:href="@{/css/main.css}" />

</head>
<body>
    <form th:object="${form}">
        <div>
            <label for="reservation-date"></label>
            <input class="formContent" type="datetime-local" th:field="*{date}"
                th:onchange="reloadAlleyOptions(this.getAttribute('data-date'))" th:data-date="*{date}" />
        </div>

        <button type="submit"></button>

    </form>
</body>

<script src="https://code.jquery.com/jquery-3.7.1.min.js"
    integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>

<script>
    $(document).bind("ajaxSend", function () {
        console.log("waiting for all requests to complete...");
    }).bind("ajaxStop", function () {
        location.reload();
    });

    function reloadAlleyOptions(date) {
        console.log(date)
        console.log("---")
        $.ajax({
            method: "post",
            type: "POST",
            url: "/welcome/a?date=" + date,
            success: function (response) {

            },
            error: function (e) {}
        });
    }
</script>

</html>
' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
public class ReservationForm {
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")
    private LocalDateTime date;

    public ReservationForm(LocalDateTime date) {
        this.date = LocalDateTime.now();
    }

    public LocalDateTime getDate() {
        return date;
    }

    public void setDate(LocalDateTime date) {
        this.date = date;
    }

}
public class ReservationForm {
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")
    private LocalDateTime date;

    public ReservationForm(LocalDateTime date) {
        this.date = LocalDateTime.now();
    }

    public LocalDateTime getDate() {
        return date;
    }

    public void setDate(LocalDateTime date) {
        this.date = date;
    }

}
what i want: datepicker sends ajax request on changing the date to reload the displayed data, but when i change the date an error is thrown. demo project to showcase my problem: https://github.com/DragonCat4012/web-thymeleaf
GitHub
GitHub - DragonCat4012/web-thymeleaf
Contribute to DragonCat4012/web-thymeleaf development by creating an account on GitHub.
' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
like in the javascript function it always prints the current date, even when i change the date in the picker it wont change anything =.=
Unknown User
Unknown User•10mo ago
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' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
an welcher stelle O.o problem ist spring sagt das sobald ich das sobald ich nen datum gesetzt hab: 
Field error in object 'reservationForm' on field 'date': rejected value [13/11/2023 12:32]; codes [typeMismatch.reservationForm.date,typeMismatch.date,typeMismatch.java.time.LocalDateTime,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [reservationForm.date,date]; arguments []; default message [date]]; default message [Failed to convert value of type 'java.lang.String[]' to required type 'java.time.LocalDateTime'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.format.annotation.DateTimeFormat java.time.LocalDateTime] for value '13/11/2023 12:32'; nested exception is java.lang.IllegalArgumentException: Parse attempt failed for value [13/11/2023 12:32]]]
Field error in object 'reservationForm' on field 'date': rejected value [13/11/2023 12:32]; codes [typeMismatch.reservationForm.date,typeMismatch.date,typeMismatch.java.time.LocalDateTime,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [reservationForm.date,date]; arguments []; default message [date]]; default message [Failed to convert value of type 'java.lang.String[]' to required type 'java.time.LocalDateTime'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.format.annotation.DateTimeFormat java.time.LocalDateTime] for value '13/11/2023 12:32'; nested exception is java.lang.IllegalArgumentException: Parse attempt failed for value [13/11/2023 12:32]]]
ich komm im java nciht mla zu irgendeinem print in der mapping oder der setter methode ;-; in der url hab ich als wert das ausgewählte datum als paramter wies sein soll ;-; nur ist die seite halt put dann 
http://localhost:8080/welcome?date=13%2F11%2F2023+12%3A34
http://localhost:8080/welcome?date=13%2F11%2F2023+12%3A34
' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
No description
' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
dafuq the datepicker shows a different date then its value?
Unknown User
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' .•` KIΛ.RΛR ’•. '
' .•` KIΛ.RΛR ’•. '•10mo ago
yes? yeah ik but i dont know how to change it since thymeleaf does its shit wjho knows where in the background
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JavaBot
JavaBot•10mo ago
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